projects/dwt2: org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/JobManager.d annotate

author	Frank Benoit <benoit@tionex.de>
date	Sat, 14 Mar 2009 18:23:29 +0100
parents
children	6f068362a363

rev	line source
12 bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2003, 2007 IBM Corporation and others.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	10 * Port to the D programming language:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	11 * Frank Benoit <benoit@tionex.de>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	12 *******************************************************************************/
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	13 module org.eclipse.core.internal.jobs.JobManager;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	14
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	15 import java.lang.all;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import java.util.Collections;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import java.util.List;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import java.util.ArrayList;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	19 import java.util.Iterator;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import java.util.Set;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import java.util.HashSet;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import tango.io.Stdout;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import tango.text.convert.Format;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import tango.time.WallClock;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	25 import tango.time.Time;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	26 import java.lang.JThread;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	27 import tango.text.convert.Format;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	28
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	29 //don't use ICU because this is used for debugging only (see bug 135785)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	30 // import java.text.DateFormat;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	31 // import java.text.FieldPosition;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	32 // import java.text.SimpleDateFormat;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	33
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	34 import org.eclipse.core.internal.runtime.RuntimeLog;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	35 import org.eclipse.core.runtime.Assert;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	36 import org.eclipse.core.runtime.IProgressMonitor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	37 import org.eclipse.core.runtime.IProgressMonitorWithBlocking;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	38 import org.eclipse.core.runtime.IStatus;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	39 import org.eclipse.core.runtime.NullProgressMonitor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	40 import org.eclipse.core.runtime.OperationCanceledException;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	41 import org.eclipse.core.runtime.Status;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	42 import org.eclipse.core.runtime.jobs.IJobChangeEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	43 import org.eclipse.core.runtime.jobs.IJobChangeListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	44 import org.eclipse.core.runtime.jobs.IJobManager;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	45 import org.eclipse.core.runtime.jobs.ILock;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	46 import org.eclipse.core.runtime.jobs.ISchedulingRule;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	47 import org.eclipse.core.runtime.jobs.Job;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	48 import org.eclipse.core.runtime.jobs.JobChangeAdapter;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	49 import org.eclipse.core.runtime.jobs.LockListener;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	50 import org.eclipse.core.runtime.jobs.ProgressProvider;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	51 import org.osgi.util.NLS;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	52
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	53 import org.eclipse.core.internal.jobs.ImplicitJobs;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	54 import org.eclipse.core.internal.jobs.WorkerPool;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	55 import org.eclipse.core.internal.jobs.JobListeners;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	56 import org.eclipse.core.internal.jobs.LockManager;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	57 import org.eclipse.core.internal.jobs.JobQueue;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	58 import org.eclipse.core.internal.jobs.InternalJob;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	59 import org.eclipse.core.internal.jobs.ThreadJob;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	60 import org.eclipse.core.internal.jobs.JobOSGiUtils;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	61 import org.eclipse.core.internal.jobs.Worker;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	62 import org.eclipse.core.internal.jobs.Semaphore;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	63 import org.eclipse.core.internal.jobs.JobChangeEvent;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	64 import org.eclipse.core.internal.jobs.JobMessages;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	65 import org.eclipse.core.internal.jobs.JobStatus;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	66
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	67 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	68 * Implementation of API type IJobManager
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	69 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	70 * Implementation note: all the data structures of this class are protected
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	71 * by a single lock object held as a private field in this class. The JobManager
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	72 * instance itself is not used because this class is publicly reachable, and third
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	73 * party clients may try to synchronize on it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	74 *
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	75 * The WorkerPool class uses its own monitor for synchronizing its data
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	76 * structures. To avoid deadlock between the two classes, the JobManager
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	77 * must NEVER call the worker pool while its own monitor is held.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	78 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	79 public class JobManager : IJobManager {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	80
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	81 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	82 * The unique identifier constant of this plug-in.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	83 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	84 public static const String PI_JOBS = "org.eclipse.core.jobs"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	85
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	86 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	87 * Status code constant indicating an error occurred while running a plug-in.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	88 * For backward compatibility with Platform.PLUGIN_ERROR left at (value = 2).
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	89 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	90 public static const int PLUGIN_ERROR = 2;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	91
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	92 private static const String OPTION_DEADLOCK_ERROR = PI_JOBS ~ "/jobs/errorondeadlock"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	93 private static const String OPTION_DEBUG_BEGIN_END = PI_JOBS ~ "/jobs/beginend"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	94 private static const String OPTION_DEBUG_JOBS = PI_JOBS ~ "/jobs"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	95 private static const String OPTION_DEBUG_JOBS_TIMING = PI_JOBS ~ "/jobs/timing"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	96 private static const String OPTION_LOCKS = PI_JOBS ~ "/jobs/locks"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	97 private static const String OPTION_SHUTDOWN = PI_JOBS ~ "/jobs/shutdown"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	98
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	99 static bool DEBUG = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	100 static bool DEBUG_BEGIN_END = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	101 static bool DEBUG_DEADLOCK = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	102 static bool DEBUG_LOCKS = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	103 static bool DEBUG_TIMING = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	104 static bool DEBUG_SHUTDOWN = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	105 // private static DateFormat DEBUG_FORMAT;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	106
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	107 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	108 * The singleton job manager instance. It must be a singleton because
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	109 * all job instances maintain a reference (as an optimization) and have no way
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	110 * of updating it.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	111 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	112 private static JobManager instance = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	113 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	114 * Scheduling rule used for validation of client-defined rules.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	115 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	116 private static ISchedulingRule nullRule;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	117 private static void initNullRule(){
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	118 if( nullRule !is null ) return;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	119 nullRule = new class ISchedulingRule {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	120 public bool contains(ISchedulingRule rule) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	121 return rule is this;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	122 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	123
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	124 public bool isConflicting(ISchedulingRule rule) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	125 return rule is this;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	126 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	127 };
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	128 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	129
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	130 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	131 * True if this manager is active, and false otherwise. A job manager
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	132 * starts out active, and becomes inactive if it has been shutdown
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	133 * and not restarted.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	134 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	135 private /+volatile+/ bool active = true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	136
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	137 const ImplicitJobs implicitJobs;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	138
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	139 private const JobListeners jobListeners;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	140
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	141 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	142 * The lock for synchronizing all activity in the job manager. To avoid deadlock,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	143 * this lock must never be held for extended periods, and must never be
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	144 * held while third party code is being called.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	145 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	146 private const Object lock;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	147
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	148 private const LockManager lockManager;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	149
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	150 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	151 * The pool of worker threads.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	152 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	153 private WorkerPool pool;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	154
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	155 private ProgressProvider progressProvider = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	156 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	157 * Jobs that are currently running. Should only be modified from changeState
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	158 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	159 private const HashSet running;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	160
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	161 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	162 * Jobs that are sleeping. Some sleeping jobs are scheduled to wake
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	163 * up at a given start time, while others will sleep indefinitely until woken.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	164 * Should only be modified from changeState
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	165 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	166 private const JobQueue sleeping;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	167 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	168 * True if this manager has been suspended, and false otherwise. A job manager
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	169 * starts out not suspended, and becomes suspended when <code>suspend</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	170 * is invoked. Once suspended, no jobs will start running until <code>resume</code>
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	171 * is called.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	172 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	173 private bool suspended = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	174
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	175 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	176 * jobs that are waiting to be run. Should only be modified from changeState
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	177 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	178 private const JobQueue waiting;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	179
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	180 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	181 * Counter to record wait queue insertion order.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	182 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	183 private long waitQueueCounter;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	184
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	185 public static void debug_(String msg) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	186 StringBuffer msgBuf = new StringBuffer(msg.length + 40);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	187 if (DEBUG_TIMING) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	188 //lazy initialize to avoid overhead when not debugging
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	189 // if (DEBUG_FORMAT is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	190 // DEBUG_FORMAT = new SimpleDateFormat("HH:mm:ss.SSS"); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	191 // DEBUG_FORMAT.format(new Date(), msgBuf, new FieldPosition(0));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	192 auto time = WallClock.now();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	193 msgBuf.append(Format("{:d2}:{:d2}:{:d2}:{:d3}",
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	194 time.time.span.hours,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	195 time.time.span.minutes,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	196 time.time.span.seconds,
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	197 time.time.span.millis ));
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	198 msgBuf.append('-');
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	199 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	200 msgBuf.append('[');
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	201 msgBuf.append(JThread.currentThread().toString());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	202 msgBuf.append(']');
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	203 msgBuf.append(msg);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	204 Stdout.formatln( "{}", msgBuf.toString());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	205 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	206
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	207 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	208 * Returns the job manager singleton. For internal use only.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	209 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	210 static synchronized JobManager getInstance() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	211 if (instance is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	212 new JobManager();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	213 return instance;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	214 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	215
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	216 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	217 * For debugging purposes only
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	218 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	219 private static String printJobName(Job job) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	220 if (cast(ThreadJob)job ) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	221 Job realJob = (cast(ThreadJob) job).realJob;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	222 if (realJob !is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	223 return realJob.classinfo.name;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	224 return Format("ThreadJob on rule: {}", job.getRule()); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	225 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	226 return job.classinfo.name;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	227 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	228
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	229 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	230 * For debugging purposes only
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	231 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	232 public static String printState(int state) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	233 switch (state) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	234 case Job.NONE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	235 return "NONE"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	236 case Job.WAITING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	237 return "WAITING"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	238 case Job.SLEEPING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	239 return "SLEEPING"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	240 case Job.RUNNING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	241 return "RUNNING"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	242 case InternalJob.BLOCKED :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	243 return "BLOCKED"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	244 case InternalJob.ABOUT_TO_RUN :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	245 return "ABOUT_TO_RUN"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	246 case InternalJob.ABOUT_TO_SCHEDULE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	247 return "ABOUT_TO_SCHEDULE";//$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	248 default:
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	249 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	250 return "UNKNOWN"; //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	251 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	252
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	253 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	254 * Note that although this method is not API, clients have historically used
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	255 * it to force jobs shutdown in cases where OSGi shutdown does not occur.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	256 * For this reason, this method should be considered near-API and should not
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	257 * be changed if at all possible.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	258 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	259 public static void shutdown() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	260 if (instance !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	261 instance.doShutdown();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	262 instance = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	263 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	264 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	265
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	266 private this() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	267 // SWT instance init
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	268 implicitJobs = new ImplicitJobs(this);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	269 jobListeners = new JobListeners();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	270 lock = new Object();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	271 lockManager = new LockManager();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	272
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	273 instance = this;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	274
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	275 initDebugOptions();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	276 synchronized (lock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	277 waiting = new JobQueue(false);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	278 sleeping = new JobQueue(true);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	279 running = new HashSet(10);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	280 pool = new WorkerPool(this);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	281 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	282 pool.setDaemon(JobOSGiUtils.getDefault().useDaemonThreads());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	283 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	284
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	285 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	286 * @see org.eclipse.core.runtime.jobs.IJobManager#addJobListener(org.eclipse.core.runtime.jobs.IJobChangeListener)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	287 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	288 public void addJobChangeListener(IJobChangeListener listener) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	289 jobListeners.add(listener);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	290 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	291
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	292 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	293 * @see org.eclipse.core.runtime.jobs.IJobManager#beginRule(org.eclipse.core.runtime.jobs.ISchedulingRule, org.eclipse.core.runtime.IProgressMonitor)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	294 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	295 public void beginRule(ISchedulingRule rule, IProgressMonitor monitor) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	296 validateRule(rule);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	297 implicitJobs.begin(rule, monitorFor(monitor), false);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	298 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	299
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	300 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	301 * Cancels a job
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	302 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	303 protected bool cancel(InternalJob job) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	304 IProgressMonitor monitor = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	305 synchronized (lock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	306 switch (job.getState_package()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	307 case Job.NONE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	308 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	309 case Job.RUNNING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	310 //cannot cancel a job that has already started (as opposed to ABOUT_TO_RUN)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	311 if (job.internalGetState() is Job.RUNNING) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	312 monitor = job.getProgressMonitor();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	313 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	314 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	315 //signal that the job should be canceled before it gets a chance to run
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	316 job.setAboutToRunCanceled(true);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	317 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	318 default :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	319 changeState(job, Job.NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	320 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	321 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	322 //call monitor outside sync block
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	323 if (monitor !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	324 if (!monitor.isCanceled()) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	325 monitor.setCanceled(true);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	326 job.canceling();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	327 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	328 return false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	329 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	330 //only notify listeners if the job was waiting or sleeping
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	331 jobListeners.done(cast(Job) job, Status.CANCEL_STATUS, false);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	332 return true;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	333 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	334 package bool cancel_package(InternalJob job) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	335 return cancel(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	336 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	337
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	338 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	339 * @see org.eclipse.core.runtime.jobs.IJobManager#cancel(java.lang.String)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	340 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	341 public void cancel(Object family) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	342 //don't synchronize because cancel calls listeners
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	343 for (Iterator it = select(family).iterator(); it.hasNext();)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	344 cancel(cast(InternalJob) it.next());
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	345 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	346
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	347 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	348 * Atomically updates the state of a job, adding or removing from the
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	349 * necessary queues or sets.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	350 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	351 private void changeState(InternalJob job, int newState) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	352 bool blockedJobs = false;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	353 synchronized (lock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	354 int oldState = job.internalGetState();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	355 switch (oldState) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	356 case Job.NONE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	357 case InternalJob.ABOUT_TO_SCHEDULE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	358 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	359 case InternalJob.BLOCKED :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	360 //remove this job from the linked list of blocked jobs
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	361 job.remove();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	362 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	363 case Job.WAITING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	364 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	365 waiting.remove(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	366 } catch (RuntimeException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	367 Assert.isLegal(false, "Tried to remove a job that wasn't in the queue"); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	368 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	369 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	370 case Job.SLEEPING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	371 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	372 sleeping.remove(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	373 } catch (RuntimeException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	374 Assert.isLegal(false, "Tried to remove a job that wasn't in the queue"); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	375 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	376 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	377 case Job.RUNNING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	378 case InternalJob.ABOUT_TO_RUN :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	379 running.remove(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	380 //add any blocked jobs back to the wait queue
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	381 InternalJob blocked = job.previous();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	382 job.remove();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	383 blockedJobs = blocked !is null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	384 while (blocked !is null) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	385 InternalJob previous = blocked.previous();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	386 changeState(blocked, Job.WAITING);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	387 blocked = previous;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	388 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	389 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	390 default :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	391 Assert.isLegal(false, Format("Invalid job state: {}, state: {}", job, oldState)); //$NON-NLS-1$ //$NON-NLS-2$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	392 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	393 job.internalSetState(newState);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	394 switch (newState) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	395 case Job.NONE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	396 job.setStartTime(InternalJob.T_NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	397 job.setWaitQueueStamp(InternalJob.T_NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	398 case InternalJob.BLOCKED :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	399 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	400 case Job.WAITING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	401 waiting.enqueue(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	402 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	403 case Job.SLEEPING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	404 try {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	405 sleeping.enqueue(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	406 } catch (RuntimeException e) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	407 throw new RuntimeException(Format("Error changing from state: ", oldState)); //$NON-NLS-1$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	408 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	409 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	410 case Job.RUNNING :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	411 case InternalJob.ABOUT_TO_RUN :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	412 job.setStartTime(InternalJob.T_NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	413 job.setWaitQueueStamp(InternalJob.T_NONE);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	414 running.add(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	415 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	416 case InternalJob.ABOUT_TO_SCHEDULE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	417 break;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	418 default :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	419 Assert.isLegal(false, Format("Invalid job state: {}, state: {}", job, newState)); //$NON-NLS-1$ //$NON-NLS-2$
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	420 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	421 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	422 //notify queue outside sync block
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	423 if (blockedJobs)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	424 pool.jobQueued();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	425 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	426
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	427 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	428 * Returns a new progress monitor for this job, belonging to the given
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	429 * progress group. Returns null if it is not a valid time to set the job's group.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	430 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	431 protected IProgressMonitor createMonitor(InternalJob job, IProgressMonitor group, int ticks) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	432 synchronized (lock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	433 //group must be set before the job is scheduled
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	434 //this includes the ABOUT_TO_SCHEDULE state, during which it is still
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	435 //valid to set the progress monitor
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	436 if (job.getState_package() !is Job.NONE)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	437 return null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	438 IProgressMonitor monitor = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	439 if (progressProvider !is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	440 monitor = progressProvider.createMonitor(cast(Job) job, group, ticks);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	441 if (monitor is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	442 monitor = new NullProgressMonitor();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	443 return monitor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	444 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	445 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	446 package IProgressMonitor createMonitor_package(InternalJob job, IProgressMonitor group, int ticks) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	447 return createMonitor(job, group, ticks);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	448 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	449
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	450 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	451 * Returns a new progress monitor for this job. Never returns null.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	452 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	453 private IProgressMonitor createMonitor(Job job) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	454 IProgressMonitor monitor = null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	455 if (progressProvider !is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	456 monitor = progressProvider.createMonitor(job);
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	457 if (monitor is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	458 monitor = new NullProgressMonitor();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	459 return monitor;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	460 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	461
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	462 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	463 * @see org.eclipse.core.runtime.jobs.IJobManager#createProgressGroup()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	464 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	465 public IProgressMonitor createProgressGroup() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	466 if (progressProvider !is null)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	467 return progressProvider.createProgressGroup();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	468 return new NullProgressMonitor();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	469 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	470
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	471 /* (non-Javadoc)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	472 * @see org.eclipse.core.runtime.jobs.IJobManager#currentJob()
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	473 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	474 public Job currentJob() {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	475 JThread current = JThread.currentThread();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	476 if (cast(Worker)current )
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	477 return (cast(Worker) current).currentJob();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	478 synchronized (lock) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	479 for (Iterator it = running.iterator(); it.hasNext();) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	480 Job job = cast(Job) it.next();
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	481 if (job.getThread() is current)
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	482 return job;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	483 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	484 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	485 return null;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	486 }
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	487
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	488 /**
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	489 * Returns the delay in milliseconds that a job with a given priority can
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	490 * tolerate waiting.
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	491 */
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	492 private long delayFor(int priority) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	493 //these values may need to be tweaked based on machine speed
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	494 switch (priority) {
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	495 case Job.INTERACTIVE :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	496 return 0L;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	497 case Job.SHORT :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	498 return 50L;
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	499 case Job.LONG :
bc29606a740c Added dwt-addons in original directory structure of eclipse.org Frank Benoit <benoit@tionex.de> parents: diff changeset	500 return 100L;

12

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1 /*******************************************************************************

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4 * are made available under the terms of the Eclipse Public License v1.0

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5 * which accompanies this distribution, and is available at

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6 * http://www.eclipse.org/legal/epl-v10.html

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7 *

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8 * Contributors:

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9 * IBM Corporation - initial API and implementation

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10 * Port to the D programming language:

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11 * Frank Benoit <benoit@tionex.de>

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12 *******************************************************************************/

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13 module org.eclipse.core.internal.jobs.JobManager;

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14

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15 import java.lang.all;

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16 import java.util.Collections;

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17 import java.util.List;

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18 import java.util.ArrayList;

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19 import java.util.Iterator;

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20 import java.util.Set;

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21 import java.util.HashSet;

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22 import tango.io.Stdout;

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23 import tango.text.convert.Format;

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24 import tango.time.WallClock;

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25 import tango.time.Time;

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26 import java.lang.JThread;

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27 import tango.text.convert.Format;

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28

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29 //don't use ICU because this is used for debugging only (see bug 135785)

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30 // import java.text.DateFormat;

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31 // import java.text.FieldPosition;

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32 // import java.text.SimpleDateFormat;

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33

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34 import org.eclipse.core.internal.runtime.RuntimeLog;

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35 import org.eclipse.core.runtime.Assert;

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36 import org.eclipse.core.runtime.IProgressMonitor;

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37 import org.eclipse.core.runtime.IProgressMonitorWithBlocking;

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38 import org.eclipse.core.runtime.IStatus;

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39 import org.eclipse.core.runtime.NullProgressMonitor;

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40 import org.eclipse.core.runtime.OperationCanceledException;

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41 import org.eclipse.core.runtime.Status;

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42 import org.eclipse.core.runtime.jobs.IJobChangeEvent;

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43 import org.eclipse.core.runtime.jobs.IJobChangeListener;

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44 import org.eclipse.core.runtime.jobs.IJobManager;

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45 import org.eclipse.core.runtime.jobs.ILock;

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46 import org.eclipse.core.runtime.jobs.ISchedulingRule;

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47 import org.eclipse.core.runtime.jobs.Job;

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48 import org.eclipse.core.runtime.jobs.JobChangeAdapter;

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49 import org.eclipse.core.runtime.jobs.LockListener;

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50 import org.eclipse.core.runtime.jobs.ProgressProvider;

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51 import org.osgi.util.NLS;

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52

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53 import org.eclipse.core.internal.jobs.ImplicitJobs;

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54 import org.eclipse.core.internal.jobs.WorkerPool;

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55 import org.eclipse.core.internal.jobs.JobListeners;

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56 import org.eclipse.core.internal.jobs.LockManager;

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57 import org.eclipse.core.internal.jobs.JobQueue;

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58 import org.eclipse.core.internal.jobs.InternalJob;

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59 import org.eclipse.core.internal.jobs.ThreadJob;

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60 import org.eclipse.core.internal.jobs.JobOSGiUtils;

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61 import org.eclipse.core.internal.jobs.Worker;

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62 import org.eclipse.core.internal.jobs.Semaphore;

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63 import org.eclipse.core.internal.jobs.JobChangeEvent;

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64 import org.eclipse.core.internal.jobs.JobMessages;

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65 import org.eclipse.core.internal.jobs.JobStatus;

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66

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67 /**

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68 * Implementation of API type IJobManager

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69 *

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70 * Implementation note: all the data structures of this class are protected

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71 * by a single lock object held as a private field in this class. The JobManager

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72 * instance itself is not used because this class is publicly reachable, and third

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73 * party clients may try to synchronize on it.

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74 *

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75 * The WorkerPool class uses its own monitor for synchronizing its data

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76 * structures. To avoid deadlock between the two classes, the JobManager

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77 * must NEVER call the worker pool while its own monitor is held.

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78 */

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79 public class JobManager : IJobManager {

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80

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81 /**

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82 * The unique identifier constant of this plug-in.

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83 */

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84 public static const String PI_JOBS = "org.eclipse.core.jobs"; //$NON-NLS-1$

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85

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86 /**

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87 * Status code constant indicating an error occurred while running a plug-in.

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88 * For backward compatibility with Platform.PLUGIN_ERROR left at (value = 2).

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89 */

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90 public static const int PLUGIN_ERROR = 2;

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91

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92 private static const String OPTION_DEADLOCK_ERROR = PI_JOBS ~ "/jobs/errorondeadlock"; //$NON-NLS-1$

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93 private static const String OPTION_DEBUG_BEGIN_END = PI_JOBS ~ "/jobs/beginend"; //$NON-NLS-1$

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94 private static const String OPTION_DEBUG_JOBS = PI_JOBS ~ "/jobs"; //$NON-NLS-1$

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95 private static const String OPTION_DEBUG_JOBS_TIMING = PI_JOBS ~ "/jobs/timing"; //$NON-NLS-1$

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96 private static const String OPTION_LOCKS = PI_JOBS ~ "/jobs/locks"; //$NON-NLS-1$

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97 private static const String OPTION_SHUTDOWN = PI_JOBS ~ "/jobs/shutdown"; //$NON-NLS-1$

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98

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99 static bool DEBUG = false;

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100 static bool DEBUG_BEGIN_END = false;

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101 static bool DEBUG_DEADLOCK = false;

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102 static bool DEBUG_LOCKS = false;

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103 static bool DEBUG_TIMING = false;

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104 static bool DEBUG_SHUTDOWN = false;

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105 // private static DateFormat DEBUG_FORMAT;

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106

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107 /**

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108 * The singleton job manager instance. It must be a singleton because

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109 * all job instances maintain a reference (as an optimization) and have no way

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110 * of updating it.

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111 */

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112 private static JobManager instance = null;

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113 /**

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114 * Scheduling rule used for validation of client-defined rules.

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115 */

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116 private static ISchedulingRule nullRule;

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117 private static void initNullRule(){

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118 if( nullRule !is null ) return;

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119 nullRule = new class ISchedulingRule {

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120 public bool contains(ISchedulingRule rule) {

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121 return rule is this;

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122 }

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123

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124 public bool isConflicting(ISchedulingRule rule) {

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125 return rule is this;

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126 }

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127 };

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128 }

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129

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130 /**

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131 * True if this manager is active, and false otherwise. A job manager

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132 * starts out active, and becomes inactive if it has been shutdown

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133 * and not restarted.

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134 */

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135 private /+volatile+/ bool active = true;

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136

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137 const ImplicitJobs implicitJobs;

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138

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139 private const JobListeners jobListeners;

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140

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141 /**

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142 * The lock for synchronizing all activity in the job manager. To avoid deadlock,

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143 * this lock must never be held for extended periods, and must never be

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144 * held while third party code is being called.

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145 */

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146 private const Object lock;

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147

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148 private const LockManager lockManager;

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149

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150 /**

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151 * The pool of worker threads.

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152 */

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153 private WorkerPool pool;

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154

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155 private ProgressProvider progressProvider = null;

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156 /**

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157 * Jobs that are currently running. Should only be modified from changeState

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158 */

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159 private const HashSet running;

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160

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161 /**

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162 * Jobs that are sleeping. Some sleeping jobs are scheduled to wake

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163 * up at a given start time, while others will sleep indefinitely until woken.

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164 * Should only be modified from changeState

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165 */

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166 private const JobQueue sleeping;

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167 /**

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168 * True if this manager has been suspended, and false otherwise. A job manager

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169 * starts out not suspended, and becomes suspended when <code>suspend</code>

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170 * is invoked. Once suspended, no jobs will start running until <code>resume</code>

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171 * is called.

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172 */

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173 private bool suspended = false;

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174

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175 /**

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176 * jobs that are waiting to be run. Should only be modified from changeState

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177 */

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178 private const JobQueue waiting;

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179

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180 /**

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181 * Counter to record wait queue insertion order.

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182 */

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183 private long waitQueueCounter;

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184

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185 public static void debug_(String msg) {

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186 StringBuffer msgBuf = new StringBuffer(msg.length + 40);

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187 if (DEBUG_TIMING) {

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188 //lazy initialize to avoid overhead when not debugging

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189 // if (DEBUG_FORMAT is null)

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190 // DEBUG_FORMAT = new SimpleDateFormat("HH:mm:ss.SSS"); //$NON-NLS-1$

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191 // DEBUG_FORMAT.format(new Date(), msgBuf, new FieldPosition(0));

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192 auto time = WallClock.now();

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193 msgBuf.append(Format("{:d2}:{:d2}:{:d2}:{:d3}",

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194 time.time.span.hours,

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195 time.time.span.minutes,

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196 time.time.span.seconds,

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197 time.time.span.millis ));

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198 msgBuf.append('-');

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199 }

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200 msgBuf.append('[');

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201 msgBuf.append(JThread.currentThread().toString());

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202 msgBuf.append(']');

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203 msgBuf.append(msg);

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204 Stdout.formatln( "{}", msgBuf.toString());

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205 }

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206

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207 /**

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208 * Returns the job manager singleton. For internal use only.

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209 */

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210 static synchronized JobManager getInstance() {

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211 if (instance is null)

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212 new JobManager();

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213 return instance;

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214 }

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215

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216 /**

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217 * For debugging purposes only

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218 */

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219 private static String printJobName(Job job) {

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220 if (cast(ThreadJob)job ) {

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221 Job realJob = (cast(ThreadJob) job).realJob;

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222 if (realJob !is null)

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223 return realJob.classinfo.name;

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224 return Format("ThreadJob on rule: {}", job.getRule()); //$NON-NLS-1$

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225 }

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226 return job.classinfo.name;

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227 }

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228

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229 /**

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230 * For debugging purposes only

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231 */

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232 public static String printState(int state) {

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233 switch (state) {

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234 case Job.NONE :

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235 return "NONE"; //$NON-NLS-1$

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236 case Job.WAITING :

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237 return "WAITING"; //$NON-NLS-1$

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238 case Job.SLEEPING :

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239 return "SLEEPING"; //$NON-NLS-1$

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240 case Job.RUNNING :

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241 return "RUNNING"; //$NON-NLS-1$

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242 case InternalJob.BLOCKED :

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243 return "BLOCKED"; //$NON-NLS-1$

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244 case InternalJob.ABOUT_TO_RUN :

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245 return "ABOUT_TO_RUN"; //$NON-NLS-1$

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246 case InternalJob.ABOUT_TO_SCHEDULE :

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247 return "ABOUT_TO_SCHEDULE";//$NON-NLS-1$

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248 default:

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249 }

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250 return "UNKNOWN"; //$NON-NLS-1$

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251 }

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252

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253 /**

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254 * Note that although this method is not API, clients have historically used

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255 * it to force jobs shutdown in cases where OSGi shutdown does not occur.

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256 * For this reason, this method should be considered near-API and should not

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257 * be changed if at all possible.

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258 */

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259 public static void shutdown() {

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260 if (instance !is null) {

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261 instance.doShutdown();

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262 instance = null;

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263 }

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264 }

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265

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266 private this() {

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267 // SWT instance init

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268 implicitJobs = new ImplicitJobs(this);

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269 jobListeners = new JobListeners();

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270 lock = new Object();

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271 lockManager = new LockManager();

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272

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273 instance = this;

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274

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275 initDebugOptions();

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276 synchronized (lock) {

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277 waiting = new JobQueue(false);

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278 sleeping = new JobQueue(true);

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279 running = new HashSet(10);

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280 pool = new WorkerPool(this);

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281 }

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282 pool.setDaemon(JobOSGiUtils.getDefault().useDaemonThreads());

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283 }

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284

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285 /* (non-Javadoc)

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286 * @see org.eclipse.core.runtime.jobs.IJobManager#addJobListener(org.eclipse.core.runtime.jobs.IJobChangeListener)

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287 */

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288 public void addJobChangeListener(IJobChangeListener listener) {

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289 jobListeners.add(listener);

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290 }

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291

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292 /* (non-Javadoc)

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293 * @see org.eclipse.core.runtime.jobs.IJobManager#beginRule(org.eclipse.core.runtime.jobs.ISchedulingRule, org.eclipse.core.runtime.IProgressMonitor)

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294 */

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295 public void beginRule(ISchedulingRule rule, IProgressMonitor monitor) {

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296 validateRule(rule);

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297 implicitJobs.begin(rule, monitorFor(monitor), false);

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298 }

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299

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300 /**

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301 * Cancels a job

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302 */

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303 protected bool cancel(InternalJob job) {

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304 IProgressMonitor monitor = null;

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305 synchronized (lock) {

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306 switch (job.getState_package()) {

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307 case Job.NONE :

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308 return true;

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309 case Job.RUNNING :

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310 //cannot cancel a job that has already started (as opposed to ABOUT_TO_RUN)

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311 if (job.internalGetState() is Job.RUNNING) {

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312 monitor = job.getProgressMonitor();

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313 break;

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314 }

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315 //signal that the job should be canceled before it gets a chance to run

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316 job.setAboutToRunCanceled(true);

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317 return true;

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318 default :

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319 changeState(job, Job.NONE);

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320 }

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321 }

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322 //call monitor outside sync block

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323 if (monitor !is null) {

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324 if (!monitor.isCanceled()) {

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325 monitor.setCanceled(true);

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326 job.canceling();

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327 }

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328 return false;

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329 }

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330 //only notify listeners if the job was waiting or sleeping

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331 jobListeners.done(cast(Job) job, Status.CANCEL_STATUS, false);

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332 return true;

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333 }

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334 package bool cancel_package(InternalJob job) {

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335 return cancel(job);

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336 }

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337

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338 /* (non-Javadoc)

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339 * @see org.eclipse.core.runtime.jobs.IJobManager#cancel(java.lang.String)

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340 */

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341 public void cancel(Object family) {

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342 //don't synchronize because cancel calls listeners

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343 for (Iterator it = select(family).iterator(); it.hasNext();)

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344 cancel(cast(InternalJob) it.next());

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345 }

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346

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347 /**

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348 * Atomically updates the state of a job, adding or removing from the

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349 * necessary queues or sets.

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350 */

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351 private void changeState(InternalJob job, int newState) {

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352 bool blockedJobs = false;

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353 synchronized (lock) {

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354 int oldState = job.internalGetState();

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355 switch (oldState) {

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356 case Job.NONE :

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357 case InternalJob.ABOUT_TO_SCHEDULE :

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358 break;

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359 case InternalJob.BLOCKED :

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360 //remove this job from the linked list of blocked jobs

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361 job.remove();

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362 break;

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363 case Job.WAITING :

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364 try {

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365 waiting.remove(job);

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366 } catch (RuntimeException e) {

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367 Assert.isLegal(false, "Tried to remove a job that wasn't in the queue"); //$NON-NLS-1$

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368 }

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369 break;

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370 case Job.SLEEPING :

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371 try {

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372 sleeping.remove(job);

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373 } catch (RuntimeException e) {

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374 Assert.isLegal(false, "Tried to remove a job that wasn't in the queue"); //$NON-NLS-1$

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375 }

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376 break;

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377 case Job.RUNNING :

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378 case InternalJob.ABOUT_TO_RUN :

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379 running.remove(job);

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380 //add any blocked jobs back to the wait queue

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381 InternalJob blocked = job.previous();

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382 job.remove();

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383 blockedJobs = blocked !is null;

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384 while (blocked !is null) {

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385 InternalJob previous = blocked.previous();

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386 changeState(blocked, Job.WAITING);

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387 blocked = previous;

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388 }

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389 break;

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390 default :

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391 Assert.isLegal(false, Format("Invalid job state: {}, state: {}", job, oldState)); //$NON-NLS-1$ //$NON-NLS-2$

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392 }

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393 job.internalSetState(newState);

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394 switch (newState) {

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395 case Job.NONE :

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396 job.setStartTime(InternalJob.T_NONE);

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397 job.setWaitQueueStamp(InternalJob.T_NONE);

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398 case InternalJob.BLOCKED :

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399 break;

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400 case Job.WAITING :

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diff changeset

401 waiting.enqueue(job);

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diff changeset

402 break;

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diff changeset

403 case Job.SLEEPING :

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diff changeset

404 try {

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diff changeset

405 sleeping.enqueue(job);

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diff changeset

406 } catch (RuntimeException e) {

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diff changeset

407 throw new RuntimeException(Format("Error changing from state: ", oldState)); //$NON-NLS-1$

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diff changeset

408 }

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diff changeset

409 break;

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diff changeset

410 case Job.RUNNING :

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diff changeset

411 case InternalJob.ABOUT_TO_RUN :

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diff changeset

412 job.setStartTime(InternalJob.T_NONE);

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diff changeset

413 job.setWaitQueueStamp(InternalJob.T_NONE);

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diff changeset

414 running.add(job);

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diff changeset

415 break;

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diff changeset

416 case InternalJob.ABOUT_TO_SCHEDULE :

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diff changeset

417 break;

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diff changeset

418 default :

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419 Assert.isLegal(false, Format("Invalid job state: {}, state: {}", job, newState)); //$NON-NLS-1$ //$NON-NLS-2$

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diff changeset

420 }

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diff changeset

421 }

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diff changeset

422 //notify queue outside sync block

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diff changeset

423 if (blockedJobs)

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diff changeset

424 pool.jobQueued();

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diff changeset

425 }

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diff changeset

426

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parents:

diff changeset

427 /**

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diff changeset

428 * Returns a new progress monitor for this job, belonging to the given

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diff changeset

429 * progress group. Returns null if it is not a valid time to set the job's group.

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diff changeset

430 */

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diff changeset

431 protected IProgressMonitor createMonitor(InternalJob job, IProgressMonitor group, int ticks) {

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432 synchronized (lock) {

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diff changeset

433 //group must be set before the job is scheduled

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434 //this includes the ABOUT_TO_SCHEDULE state, during which it is still

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diff changeset

435 //valid to set the progress monitor

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diff changeset

436 if (job.getState_package() !is Job.NONE)

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437 return null;

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diff changeset

438 IProgressMonitor monitor = null;

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diff changeset

439 if (progressProvider !is null)

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diff changeset

440 monitor = progressProvider.createMonitor(cast(Job) job, group, ticks);

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441 if (monitor is null)

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442 monitor = new NullProgressMonitor();

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443 return monitor;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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444 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

445 }

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diff changeset

446 package IProgressMonitor createMonitor_package(InternalJob job, IProgressMonitor group, int ticks) {

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447 return createMonitor(job, group, ticks);

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448 }

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diff changeset

449

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diff changeset

450 /**

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diff changeset

451 * Returns a new progress monitor for this job. Never returns null.

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diff changeset

452 */

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diff changeset

453 private IProgressMonitor createMonitor(Job job) {

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diff changeset

454 IProgressMonitor monitor = null;

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455 if (progressProvider !is null)

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456 monitor = progressProvider.createMonitor(job);

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457 if (monitor is null)

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458 monitor = new NullProgressMonitor();

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459 return monitor;

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460 }

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diff changeset

461

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diff changeset

462 /* (non-Javadoc)

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463 * @see org.eclipse.core.runtime.jobs.IJobManager#createProgressGroup()

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464 */

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465 public IProgressMonitor createProgressGroup() {

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466 if (progressProvider !is null)

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467 return progressProvider.createProgressGroup();

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468 return new NullProgressMonitor();

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469 }

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470

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diff changeset

471 /* (non-Javadoc)

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472 * @see org.eclipse.core.runtime.jobs.IJobManager#currentJob()

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473 */

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474 public Job currentJob() {

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475 JThread current = JThread.currentThread();

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476 if (cast(Worker)current )

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477 return (cast(Worker) current).currentJob();

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diff changeset

478 synchronized (lock) {

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479 for (Iterator it = running.iterator(); it.hasNext();) {

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480 Job job = cast(Job) it.next();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

481 if (job.getThread() is current)

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482 return job;

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483 }

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484 }

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485 return null;

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486 }

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diff changeset

487

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parents:

diff changeset

488 /**

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diff changeset

489 * Returns the delay in milliseconds that a job with a given priority can

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diff changeset

490 * tolerate waiting.

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491 */

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diff changeset

492 private long delayFor(int priority) {

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diff changeset

493 //these values may need to be tweaked based on machine speed

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494 switch (priority) {

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diff changeset

495 case Job.INTERACTIVE :

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496 return 0L;

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497 case Job.SHORT :

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498 return 50L;

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diff changeset

499 case Job.LONG :

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diff changeset

500 return 100L;

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diff changeset

501 case Job.BUILD :

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502 return 500L;

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diff changeset

503 case Job.DECORATE :

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504 return 1000L;

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diff changeset

505 default :

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diff changeset

506 Assert.isTrue(false, Format("Job has invalid priority: {}", priority)); //$NON-NLS-1$

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507 return 0;

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diff changeset

508 }

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parents:

diff changeset

509 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

510

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

511 /**

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Frank Benoit <benoit@tionex.de>

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diff changeset

512 * Performs the scheduling of a job. Does not perform any notifications.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

513 */

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parents:

diff changeset

514 private void doSchedule(InternalJob job, long delay) {

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diff changeset

515 synchronized (lock) {

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parents:

diff changeset

516 //if it's a decoration job with no rule, don't run it right now if the system is busy

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parents:

diff changeset

517 if (job.getPriority() is Job.DECORATE && job.getRule() is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

518 long minDelay = running.size() * 100;

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519 delay = Math.max(delay, minDelay);

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diff changeset

520 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

521 if (delay > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

522 job.setStartTime(System.currentTimeMillis() + delay);

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

523 changeState(job, Job.SLEEPING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

524 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

525 job.setStartTime(System.currentTimeMillis() + delayFor(job.getPriority()));

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parents:

diff changeset

526 job.setWaitQueueStamp(waitQueueCounter++);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

527 changeState(job, Job.WAITING);

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Frank Benoit <benoit@tionex.de>

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diff changeset

528 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

529 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

530 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

531

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

532 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

533 * Shuts down the job manager. Currently running jobs will be told

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

534 * to stop, but worker threads may still continue processing.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

535 * (note: This implemented IJobManager.shutdown which was removed

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

536 * due to problems caused by premature shutdown)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

537 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

538 private void doShutdown() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

539 Job[] toCancel = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

540 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

541 if (active) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

542 active = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

543 //cancel all running jobs

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

544 toCancel = arraycast!(Job)( running.toArray());

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

545 //clean up

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

546 sleeping.clear();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

547 waiting.clear();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

548 running.clear();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

549 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

550 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

551

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

552 // Give running jobs a chance to finish. Wait 0.1 seconds for up to 3 times.

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

553 if (toCancel !is null && toCancel.length > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

554 for (int i = 0; i < toCancel.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

555 cancel(cast(InternalJob)toCancel[i]); // cancel jobs outside sync block to avoid deadlock

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

556 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

557

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

558 for (int waitAttempts = 0; waitAttempts < 3; waitAttempts++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

559 JThread.yield();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

560 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

561 if (running.isEmpty())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

562 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

563 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

564 if (DEBUG_SHUTDOWN) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

565 JobManager.debug_(Format("Shutdown - job wait cycle #{}", (waitAttempts + 1))); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

566 Job[] stillRunning = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

567 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

568 stillRunning = arraycast!(Job)( running.toArray());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

569 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

570 if (stillRunning !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

571 for (int j = 0; j < stillRunning.length; j++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

572 JobManager.debug_(Format("\tJob: {}", printJobName(stillRunning[j]))); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

573 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

574 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

575 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

576 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

577 JThread.sleep(100);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

578 } catch (InterruptedException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

579 //ignore

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

580 }

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

581 JThread.yield();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

582 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

583

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

584 synchronized (lock) { // retrieve list of the jobs that are still running

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

585 toCancel = arraycast!(Job)( running.toArray());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

586 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

587 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

588

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

589 if (toCancel !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

590 for (int i = 0; i < toCancel.length; i++) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

591 String jobName = printJobName(toCancel[i]);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

592 //this doesn't need to be translated because it's just being logged

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

593 String msg = "Job found still running after platform shutdown. Jobs should be canceled by the plugin that scheduled them during shutdown: " ~ jobName; //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

594 RuntimeLog.log(new Status(IStatus.WARNING, JobManager.PI_JOBS, JobManager.PLUGIN_ERROR, msg, null));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

595

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

596 // TODO the RuntimeLog.log in its current implementation won't produce a log

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

597 // during this stage of shutdown. For now add a standard error output.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

598 // One the logging story is improved, the System.err output below can be removed:

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

599 Stderr.formatln("{}", msg);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

600 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

601 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

602

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

603 pool.shutdown_package();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

604 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

605

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

606 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

607 * Indicates that a job was running, and has now finished. Note that this method

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

608 * can be called under OutOfMemoryError conditions and thus must be paranoid

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

609 * about allocating objects.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

610 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

611 protected void endJob(InternalJob job, IStatus result, bool notify) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

612 long rescheduleDelay = InternalJob.T_NONE;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

613 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

614 //if the job is finishing asynchronously, there is nothing more to do for now

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

615 if (result is Job.ASYNC_FINISH)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

616 return;

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

617 //if job is not known then it cannot be done

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parents:

diff changeset

618 if (job.getState_package() is Job.NONE)

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

619 return;

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parents:

diff changeset

620 if (JobManager.DEBUG && notify)

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parents:

diff changeset

621 JobManager.debug_(Format("Ending job: {}", job)); //$NON-NLS-1$

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parents:

diff changeset

622 job.setResult(result);

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parents:

diff changeset

623 job.setProgressMonitor(null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

624 job.setThread_package(null);

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parents:

diff changeset

625 rescheduleDelay = job.getStartTime();

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parents:

diff changeset

626 changeState(job, Job.NONE);

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parents:

diff changeset

627 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

628 //notify listeners outside sync block

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

629 final bool reschedule = active && rescheduleDelay > InternalJob.T_NONE && job.shouldSchedule_package();

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parents:

diff changeset

630 if (notify)

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parents:

diff changeset

631 jobListeners.done(cast(Job) job, result, reschedule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

632 //reschedule the job if requested and we are still active

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parents:

diff changeset

633 if (reschedule)

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parents:

diff changeset

634 schedule(job, rescheduleDelay, reschedule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

635 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

636 package void endJob_package(InternalJob job, IStatus result, bool notify) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

637 endJob(job, result, notify);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

638 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

639

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

640 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

641 * @see org.eclipse.core.runtime.jobs.IJobManager#endRule(org.eclipse.core.runtime.jobs.ISchedulingRule)

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parents:

diff changeset

642 */

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parents:

diff changeset

643 public void endRule(ISchedulingRule rule) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

644 implicitJobs.end(rule, false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

645 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

646

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

647 /* (non-Javadoc)

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parents:

diff changeset

648 * @see org.eclipse.core.runtime.jobs.IJobManager#find(java.lang.String)

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parents:

diff changeset

649 */

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parents:

diff changeset

650 public Job[] find(Object family) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

651 List members = select(family);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

652 return arraycast!(Job)( members.toArray());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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diff changeset

653 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

654

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

655 /**

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parents:

diff changeset

656 * Returns a running or blocked job whose scheduling rule conflicts with the

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

657 * scheduling rule of the given waiting job. Returns null if there are no

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

658 * conflicting jobs. A job can only run if there are no running jobs and no blocked

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

659 * jobs whose scheduling rule conflicts with its rule.

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

660 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

661 protected InternalJob findBlockingJob(InternalJob waitingJob) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

662 if (waitingJob.getRule() is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

663 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

664 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

665 if (running.isEmpty())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

666 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

667 //check the running jobs

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

668 bool hasBlockedJobs = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

669 for (Iterator it = running.iterator(); it.hasNext();) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

670 InternalJob job = cast(InternalJob) it.next();

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parents:

diff changeset

671 if (waitingJob.isConflicting(job))

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diff changeset

672 return job;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

673 if (!hasBlockedJobs)

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parents:

diff changeset

674 hasBlockedJobs = job.previous() !is null;

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parents:

diff changeset

675 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

676 //there are no blocked jobs, so we are done

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parents:

diff changeset

677 if (!hasBlockedJobs)

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parents:

diff changeset

678 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

679 //check all jobs blocked by running jobs

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

680 for (Iterator it = running.iterator(); it.hasNext();) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

681 InternalJob job = cast(InternalJob) it.next();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

682 while (true) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

683 job = job.previous();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

684 if (job is null)

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

685 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

686 if (waitingJob.isConflicting(job))

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

687 return job;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

688 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

689 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

690 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

691 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

692 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

693 package InternalJob findBlockingJob_package(InternalJob waitingJob) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

694 return findBlockingJob(waitingJob);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

695 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

696

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parents:

diff changeset

697 public LockManager getLockManager() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

698 return lockManager;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

699 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

700

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

701 private void initDebugOptions() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

702 DEBUG = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_DEBUG_JOBS, false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

703 DEBUG_BEGIN_END = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_DEBUG_BEGIN_END, false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

704 DEBUG_DEADLOCK = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_DEADLOCK_ERROR, false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

705 DEBUG_LOCKS = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_LOCKS, false);

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parents:

diff changeset

706 DEBUG_TIMING = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_DEBUG_JOBS_TIMING, false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

707 DEBUG_SHUTDOWN = JobOSGiUtils.getDefault().getBooleanDebugOption(OPTION_SHUTDOWN, false);

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parents:

diff changeset

708 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

709

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

710 /**

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parents:

diff changeset

711 * Returns whether the job manager is active (has not been shutdown).

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

712 */

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parents:

diff changeset

713 protected bool isActive() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

714 return active;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

715 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

716 package bool isActive_package() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

717 return isActive();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

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parents:

diff changeset

718 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

719

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Frank Benoit <benoit@tionex.de>

parents:

diff changeset

720 /**

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parents:

diff changeset

721 * Returns true if the given job is blocking the execution of a non-system

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

722 * job.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

723 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

724 protected bool isBlocking(InternalJob runningJob) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

725 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

726 // if this job isn't running, it can't be blocking anyone

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

727 if (runningJob.getState_package() !is Job.RUNNING)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

728 return false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

729 // if any job is queued behind this one, it is blocked by it

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

730 InternalJob previous = runningJob.previous();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

731 while (previous !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

732 // ignore jobs of lower priority (higher priority value means lower priority)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

733 if (previous.getPriority() < runningJob.getPriority()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

734 if (!previous.isSystem_package())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

735 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

736 // implicit jobs should interrupt unless they act on behalf of system jobs

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

737 if (cast(ThreadJob)previous && (cast(ThreadJob) previous).shouldInterrupt())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

738 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

739 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

740 previous = previous.previous();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

741 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

742 // none found

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

743 return false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

744 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

745 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

746 package bool isBlocking_package(InternalJob runningJob) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

747 return isBlocking(runningJob);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

748 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

749

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

750 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

751 * @see org.eclipse.core.runtime.jobs.IJobManager#isIdle()

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

752 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

753 public bool isIdle() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

754 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

755 return running.isEmpty() && waiting.isEmpty();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

756 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

757 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

758

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

759 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

760 * @see org.eclipse.core.runtime.jobs.IJobManager#isSuspended()

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

761 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

762 public bool isSuspended() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

763 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

764 return suspended;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

765 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

766 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

767

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

768 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

769 * @see org.eclipse.core.runtime.jobs.Job#job(org.eclipse.core.runtime.jobs.Job)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

770 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

771 protected void join(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

772 IJobChangeListener listener;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

773 Semaphore barrier;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

774 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

775 int state = job.getState_package();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

776 if (state is Job.NONE)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

777 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

778 //don't join a waiting or sleeping job when suspended (deadlock risk)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

779 if (suspended && state !is Job.RUNNING)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

780 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

781 //it's an error for a job to join itself

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

782 if (state is Job.RUNNING && job.getThread_package() is JThread.currentThread())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

783 throw new IllegalStateException("Job attempted to join itself"); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

784 //the semaphore will be released when the job is done

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

785 barrier = new Semaphore(null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

786 listener = new class(barrier) JobChangeAdapter {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

787 Semaphore barrier_;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

788 this( Semaphore a ){

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

789 barrier_ = a;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

790 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

791 public void done(IJobChangeEvent event) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

792 barrier_.release();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

793 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

794 };

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

795 job.addJobChangeListener_package(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

796 //compute set of all jobs that must run before this one

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

797 //add a listener that removes jobs from the blocking set when they finish

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

798 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

799 //wait until listener notifies this thread.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

800 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

801 while (true) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

802 //notify hook to service pending syncExecs before falling asleep

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

803 lockManager.aboutToWait(job.getThread_package());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

804 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

805 if (barrier.acquire(Long.MAX_VALUE))

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

806 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

807 } catch (InterruptedException e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

808 //loop and keep trying

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

809 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

810 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

811 } finally {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

812 lockManager.aboutToRelease();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

813 job.removeJobChangeListener_package(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

814 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

815 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

816 package void join_package(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

817 join(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

818 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

819

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

820 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

821 * @see IJobManager#join(String, IProgressMonitor)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

822 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

823 public void join(Object family_, IProgressMonitor monitor) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

824 monitor = monitorFor(monitor);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

825 IJobChangeListener listener = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

826 Set jobs_;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

827 int jobCount;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

828 Job blocking = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

829 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

830 //don't join a waiting or sleeping job when suspended (deadlock risk)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

831 int states = suspended ? Job.RUNNING : Job.RUNNING | Job.WAITING | Job.SLEEPING;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

832 jobs_ = Collections.synchronizedSet(new HashSet(select(family_, states)));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

833 jobCount = jobs_.size();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

834 if (jobCount > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

835 //if there is only one blocking job, use it in the blockage callback below

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

836 if (jobCount is 1)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

837 blocking = cast(Job) jobs_.iterator().next();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

838 listener = new class(family_, jobs_ )JobChangeAdapter {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

839 Object family;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

840 Set jobs;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

841 this(Object a, Set b){

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

842 family = a;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

843 jobs = b;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

844 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

845 public void done(IJobChangeEvent event) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

846 //don't remove from list if job is being rescheduled

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

847 if (!(cast(JobChangeEvent) event).reschedule)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

848 jobs.remove(event.getJob());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

849 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

850

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

851 //update the list of jobs if new ones are added during the join

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

852 public void scheduled(IJobChangeEvent event) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

853 //don't add to list if job is being rescheduled

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

854 if ((cast(JobChangeEvent) event).reschedule)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

855 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

856 Job job = event.getJob();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

857 if (job.belongsTo(family))

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

858 jobs.add(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

859 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

860 };

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

861 addJobChangeListener(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

862 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

863 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

864 if (jobCount is 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

865 //use up the monitor outside synchronized block because monitors call untrusted code

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

866 monitor.beginTask(JobMessages.jobs_blocked0, 1);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

867 monitor.done();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

868 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

869 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

870 //spin until all jobs are completed

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

871 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

872 monitor.beginTask(JobMessages.jobs_blocked0, jobCount);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

873 monitor.subTask(NLS.bind(JobMessages.jobs_waitFamSub, Integer.toString(jobCount)));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

874 reportBlocked(monitor, blocking);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

875 int jobsLeft;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

876 int reportedWorkDone = 0;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

877 while ((jobsLeft = jobs_.size()) > 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

878 //don't let there be negative work done if new jobs have

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

879 //been added since the join began

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

880 int actualWorkDone = Math.max(0, jobCount - jobsLeft);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

881 if (reportedWorkDone < actualWorkDone) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

882 monitor.worked(actualWorkDone - reportedWorkDone);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

883 reportedWorkDone = actualWorkDone;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

884 monitor.subTask(NLS.bind(JobMessages.jobs_waitFamSub, Integer.toString(jobsLeft)));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

885 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

886

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

887 if (JThread.interrupted())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

888 throw new InterruptedException();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

889 if (monitor.isCanceled())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

890 throw new OperationCanceledException();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

891 //notify hook to service pending syncExecs before falling asleep

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

892 lockManager.aboutToWait(null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

893 JThread.sleep(100);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

894 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

895 } finally {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

896 lockManager.aboutToRelease();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

897 removeJobChangeListener(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

898 reportUnblocked(monitor);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

899 monitor.done();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

900 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

901 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

902

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

903 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

904 * Returns a non-null progress monitor instance. If the monitor is null,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

905 * returns the default monitor supplied by the progress provider, or a

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

906 * NullProgressMonitor if no default monitor is available.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

907 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

908 private IProgressMonitor monitorFor(IProgressMonitor monitor) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

909 if (monitor is null || (cast(NullProgressMonitor)monitor )) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

910 if (progressProvider !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

911 try {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

912 monitor = progressProvider.getDefaultMonitor();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

913 } catch (Exception e) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

914 String msg = NLS.bind(JobMessages.meta_pluginProblems, JobManager.PI_JOBS);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

915 RuntimeLog.log(new Status(IStatus.ERROR, JobManager.PI_JOBS, JobManager.PLUGIN_ERROR, msg, e));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

916 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

917 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

918 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

919

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

920 if (monitor is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

921 return new NullProgressMonitor();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

922 return monitor;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

923 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

924

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

925 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

926 * @see IJobManager#newLock(java.lang.String)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

927 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

928 public ILock newLock() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

929 return lockManager.newLock();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

930 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

931

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

932 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

933 * Removes and returns the first waiting job in the queue. Returns null if there

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

934 * are no items waiting in the queue. If an item is removed from the queue,

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

935 * it is moved to the running jobs list.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

936 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

937 private Job nextJob() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

938 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

939 //do nothing if the job manager is suspended

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

940 if (suspended)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

941 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

942 //tickle the sleep queue to see if anyone wakes up

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

943 long now = System.currentTimeMillis();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

944 InternalJob job = sleeping.peek();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

945 while (job !is null && job.getStartTime() < now) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

946 job.setStartTime(now + delayFor(job.getPriority()));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

947 job.setWaitQueueStamp(waitQueueCounter++);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

948 changeState(job, Job.WAITING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

949 job = sleeping.peek();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

950 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

951 //process the wait queue until we find a job whose rules are satisfied.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

952 while ((job = waiting.peek()) !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

953 InternalJob blocker = findBlockingJob(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

954 if (blocker is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

955 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

956 //queue this job after the job that's blocking it

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

957 changeState(job, InternalJob.BLOCKED);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

958 //assert job does not already belong to some other data structure

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

959 Assert.isTrue(job.next() is null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

960 Assert.isTrue(job.previous() is null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

961 blocker.addLast(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

962 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

963 //the job to run must be in the running list before we exit

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

964 //the sync block, otherwise two jobs with conflicting rules could start at once

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

965 if (job !is null) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

966 changeState(job, InternalJob.ABOUT_TO_RUN);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

967 if (JobManager.DEBUG)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

968 JobManager.debug_(Format("Starting job: {}", job)); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

969 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

970 return cast(Job) job;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

971 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

972 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

973

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

974 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

975 * @see org.eclipse.core.runtime.jobs.IJobManager#removeJobListener(org.eclipse.core.runtime.jobs.IJobChangeListener)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

976 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

977 public void removeJobChangeListener(IJobChangeListener listener) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

978 jobListeners.remove(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

979 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

980

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

981 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

982 * Report to the progress monitor that this thread is blocked, supplying

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

983 * an information message, and if possible the job that is causing the blockage.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

984 * Important: An invocation of this method MUST be followed eventually be

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

985 * an invocation of reportUnblocked.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

986 * @param monitor The monitor to report blocking to

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

987 * @param blockingJob The job that is blocking this thread, or <code>null</code>

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

988 * @see #reportUnblocked

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

989 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

990 final void reportBlocked(IProgressMonitor monitor, InternalJob blockingJob) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

991 if (!(cast(IProgressMonitorWithBlocking)monitor ))

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

992 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

993 IStatus reason;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

994 if (blockingJob is null || cast(ThreadJob)blockingJob || blockingJob.isSystem_package()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

995 reason = new Status(IStatus.INFO, JobManager.PI_JOBS, 1, JobMessages.jobs_blocked0, null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

996 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

997 String msg = NLS.bind(JobMessages.jobs_blocked1, blockingJob.getName_package());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

998 reason = new JobStatus(IStatus.INFO, cast(Job) blockingJob, msg);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

999 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1000 (cast(IProgressMonitorWithBlocking) monitor).setBlocked(reason);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1001 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1002

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1003 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1004 * Reports that this thread was blocked, but is no longer blocked and is able

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1005 * to proceed.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1006 * @param monitor The monitor to report unblocking to.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1007 * @see #reportBlocked

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1008 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1009 final void reportUnblocked(IProgressMonitor monitor) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1010 if (cast(IProgressMonitorWithBlocking)monitor )

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1011 (cast(IProgressMonitorWithBlocking) monitor).clearBlocked();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1012 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1013

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1014 /*(non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1015 * @see org.eclipse.core.runtime.jobs.IJobManager#resume()

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1016 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1017 public final void resume() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1018 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1019 suspended = false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1020 //poke the job pool

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1021 pool.jobQueued();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1022 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1023 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1024

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1025 /** (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1026 * @deprecated this method should not be used

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1027 * @see org.eclipse.core.runtime.jobs.IJobManager#resume(org.eclipse.core.runtime.jobs.ISchedulingRule)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1028 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1029 public final void resume(ISchedulingRule rule) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1030 implicitJobs.resume(rule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1031 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1032

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1033 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1034 * Attempts to immediately start a given job. Returns true if the job was

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1035 * successfully started, and false if it could not be started immediately

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1036 * due to a currently running job with a conflicting rule. Listeners will never

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1037 * be notified of jobs that are run in this way.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1038 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1039 protected bool runNow(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1040 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1041 //cannot start if there is a conflicting job

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1042 if (findBlockingJob(job) !is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1043 return false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1044 changeState(job, Job.RUNNING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1045 job.setProgressMonitor(new NullProgressMonitor());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1046 job.run_package(null);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1047 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1048 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1049 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1050 package bool runNow_package(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1051 return runNow(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1052 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1053

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1054 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1055 * @see org.eclipse.core.runtime.jobs.Job#schedule(long)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1056 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1057 protected void schedule(InternalJob job, long delay, bool reschedule) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1058 if (!active)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1059 throw new IllegalStateException("Job manager has been shut down."); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1060 Assert.isNotNull(job, "Job is null"); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1061 Assert.isLegal(delay >= 0, "Scheduling delay is negative"); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1062 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1063 //if the job is already running, set it to be rescheduled when done

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1064 if (job.getState_package() is Job.RUNNING) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1065 job.setStartTime(delay);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1066 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1067 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1068 //can't schedule a job that is waiting or sleeping

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1069 if (job.internalGetState() !is Job.NONE)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1070 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1071 if (JobManager.DEBUG)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1072 JobManager.debug_(Format("Scheduling job: {}", job)); //$NON-NLS-1$

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1073 //remember that we are about to schedule the job

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1074 //to prevent multiple schedule attempts from succeeding (bug 68452)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1075 changeState(job, InternalJob.ABOUT_TO_SCHEDULE);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1076 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1077 //notify listeners outside sync block

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1078 jobListeners.scheduled(cast(Job) job, delay, reschedule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1079 //schedule the job

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1080 doSchedule(job, delay);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1081 //call the pool outside sync block to avoid deadlock

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1082 pool.jobQueued();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1083 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1084 package void schedule_package(InternalJob job, long delay, bool reschedule) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1085 schedule(job, delay, reschedule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1086 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1087

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1088 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1089 * Adds all family members in the list of jobs to the collection

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1090 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1091 private void select(List members, Object family, InternalJob firstJob, int stateMask) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1092 if (firstJob is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1093 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1094 InternalJob job = firstJob;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1095 do {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1096 //note that job state cannot be NONE at this point

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1097 if ((family is null || job.belongsTo_package(family)) && ((job.getState_package() & stateMask) !is 0))

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1098 members.add(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1099 job = job.previous();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1100 } while (job !is null && job !is firstJob);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1101 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1102

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1103 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1104 * Returns a list of all jobs known to the job manager that belong to the given family.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1105 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1106 private List select(Object family) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1107 return select(family, Job.WAITING | Job.SLEEPING | Job.RUNNING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1108 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1109

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1110 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1111 * Returns a list of all jobs known to the job manager that belong to the given

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1112 * family and are in one of the provided states.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1113 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1114 private List select(Object family, int stateMask) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1115 List members = new ArrayList();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1116 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1117 if ((stateMask & Job.RUNNING) !is 0) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1118 for (Iterator it = running.iterator(); it.hasNext();) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1119 select(members, family, cast(InternalJob) it.next(), stateMask);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1120 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1121 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1122 if ((stateMask & Job.WAITING) !is 0)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1123 select(members, family, waiting.peek(), stateMask);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1124 if ((stateMask & Job.SLEEPING) !is 0)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1125 select(members, family, sleeping.peek(), stateMask);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1126 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1127 return members;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1128 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1129

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1130 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1131 * @see IJobManager#setLockListener(LockListener)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1132 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1133 public void setLockListener(LockListener listener) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1134 lockManager.setLockListener(listener);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1135 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1136

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1137 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1138 * Changes a job priority.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1139 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1140 protected void setPriority(InternalJob job, int newPriority) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1141 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1142 int oldPriority = job.getPriority();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1143 if (oldPriority is newPriority)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1144 return;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1145 job.internalSetPriority(newPriority);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1146 //if the job is waiting to run, re-shuffle the queue

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1147 if (job.getState_package() is Job.WAITING) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1148 long oldStart = job.getStartTime();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1149 job.setStartTime(oldStart + (delayFor(newPriority) - delayFor(oldPriority)));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1150 waiting.resort(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1151 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1152 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1153 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1154 package void setPriority_package(InternalJob job, int newPriority) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1155 setPriority(job, newPriority);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1156 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1157

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1158 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1159 * @see IJobManager#setProgressProvider(IProgressProvider)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1160 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1161 public void setProgressProvider(ProgressProvider provider) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1162 progressProvider = provider;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1163 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1164

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1165 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1166 * @see Job#setRule

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1167 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1168 public void setRule(InternalJob job, ISchedulingRule rule) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1169 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1170 //cannot change the rule of a job that is already running

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1171 Assert.isLegal(job.getState_package() is Job.NONE);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1172 validateRule(rule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1173 job.internalSetRule(rule);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1174 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1175 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1176

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1177 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1178 * Puts a job to sleep. Returns true if the job was successfully put to sleep.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1179 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1180 protected bool sleep(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1181 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1182 switch (job.getState_package()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1183 case Job.RUNNING :

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1184 //cannot be paused if it is already running (as opposed to ABOUT_TO_RUN)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1185 if (job.internalGetState() is Job.RUNNING)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1186 return false;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1187 //job hasn't started running yet (aboutToRun listener)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1188 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1189 case Job.SLEEPING :

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1190 //update the job wake time

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1191 job.setStartTime(InternalJob.T_INFINITE);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1192 //change state again to re-shuffle the sleep queue

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1193 changeState(job, Job.SLEEPING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1194 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1195 case Job.NONE :

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1196 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1197 case Job.WAITING :

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1198 //put the job to sleep

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1199 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1200 default:

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1201 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1202 job.setStartTime(InternalJob.T_INFINITE);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1203 changeState(job, Job.SLEEPING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1204 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1205 jobListeners.sleeping(cast(Job) job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1206 return true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1207 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1208 package bool sleep_package(InternalJob job) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1209 return sleep(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1210 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1211

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1212 /* (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1213 * @see IJobManager#sleep(String)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1214 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1215 public void sleep(Object family) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1216 //don't synchronize because sleep calls listeners

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1217 for (Iterator it = select(family).iterator(); it.hasNext();) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1218 sleep(cast(InternalJob) it.next());

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1219 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1220 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1221

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1222 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1223 * Returns the estimated time in milliseconds before the next job is scheduled

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1224 * to wake up. The result may be negative. Returns InternalJob.T_INFINITE if

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1225 * there are no sleeping or waiting jobs.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1226 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1227 protected long sleepHint() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1228 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1229 //wait forever if job manager is suspended

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1230 if (suspended)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1231 return InternalJob.T_INFINITE;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1232 if (!waiting.isEmpty())

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1233 return 0L;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1234 //return the anticipated time that the next sleeping job will wake

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1235 InternalJob next = sleeping.peek();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1236 if (next is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1237 return InternalJob.T_INFINITE;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1238 return next.getStartTime() - System.currentTimeMillis();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1239 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1240 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1241 package long sleepHint_package() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1242 return sleepHint();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1243 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1244 /**

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1245 * Returns the next job to be run, or null if no jobs are waiting to run.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1246 * The worker must call endJob when the job is finished running.

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1247 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1248 protected Job startJob() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1249 Job job = null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1250 while (true) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1251 job = nextJob();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1252 if (job is null)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1253 return null;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1254 //must perform this outside sync block because it is third party code

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1255 if (job.shouldRun()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1256 //check for listener veto

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1257 jobListeners.aboutToRun(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1258 //listeners may have canceled or put the job to sleep

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1259 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1260 if (job.getState() is Job.RUNNING) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1261 InternalJob internal = job;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1262 if (internal.isAboutToRunCanceled()) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1263 internal.setAboutToRunCanceled(false);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1264 //fall through and end the job below

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1265 } else {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1266 internal.setProgressMonitor(createMonitor(job));

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1267 //change from ABOUT_TO_RUN to RUNNING

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1268 internal.internalSetState(Job.RUNNING);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1269 break;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1270 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1271 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1272 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1273 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1274 if (job.getState() !is Job.SLEEPING) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1275 //job has been vetoed or canceled, so mark it as done

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1276 endJob(job, Status.CANCEL_STATUS, true);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1277 continue;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1278 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1279 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1280 jobListeners.running(job);

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1281 return job;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1282

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1283 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1284 package Job startJob_package() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1285 return startJob();

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1286 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1287

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1288 /* non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1289 * @see org.eclipse.core.runtime.jobs.IJobManager#suspend()

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1290 */

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1291 public final void suspend() {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1292 synchronized (lock) {

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1293 suspended = true;

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1294 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1295 }

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1296

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1297 /** (non-Javadoc)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1298 * @deprecated this method should not be used

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1299 * @see org.eclipse.core.runtime.jobs.IJobManager#suspend(org.eclipse.core.runtime.jobs.ISchedulingRule, org.eclipse.core.runtime.IProgressMonitor)

bc29606a740c Added dwt-addons in original directory structure of eclipse.org

Frank Benoit <benoit@tionex.de>

parents:

diff changeset

1300 */

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1301 public final void suspend(ISchedulingRule rule, IProgressMonitor monitor) {

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1302 Assert.isNotNull(cast(Object)rule);

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1303 implicitJobs.suspend(rule, monitorFor(monitor));

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1304 }

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1305

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1306 /* non-Javadoc)

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1307 * @see org.eclipse.core.runtime.jobs.IJobManager#transferRule()

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1308 */

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1309 public void transferRule(ISchedulingRule rule, JThread destinationThread) {

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1310 implicitJobs.transfer(rule, destinationThread);

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1311 }

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1312

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1313 /**

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1314 * Validates that the given scheduling rule obeys the constraints of

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1315 * scheduling rules as described in the <code>ISchedulingRule</code>

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1316 * javadoc specification.

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1317 */

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1318 private void validateRule(ISchedulingRule rule) {

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1319 //null rule always valid

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1320 if (rule is null)

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1321 return;

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1322 initNullRule();

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1323 //contains method must be reflexive

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1324 Assert.isLegal(rule.contains(rule));

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1325 //contains method must return false when given an unknown rule

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1326 Assert.isLegal(!rule.contains(nullRule));

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1327 //isConflicting method must be reflexive

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1328 Assert.isLegal(rule.isConflicting(rule));

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1329 //isConflicting method must return false when given an unknown rule

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1330 Assert.isLegal(!rule.isConflicting(nullRule));

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1331 }

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1332

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1333 /* (non-Javadoc)

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1334 * @see Job#wakeUp(long)

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1335 */

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1336 protected void wakeUp(InternalJob job, long delay) {

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1337 Assert.isLegal(delay >= 0, "Scheduling delay is negative"); //$NON-NLS-1$

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1338 synchronized (lock) {

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1339 //cannot wake up if it is not sleeping

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1340 if (job.getState_package() !is Job.SLEEPING)

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1341 return;

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1342 doSchedule(job, delay);

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1343 }

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1344 //call the pool outside sync block to avoid deadlock

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1345 pool.jobQueued();

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1346

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1347 //only notify of wake up if immediate

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1348 if (delay is 0)

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1349 jobListeners.awake(cast(Job) job);

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1350 }

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1351 package void wakeUp_package(InternalJob job, long delay) {

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1352 wakeUp(job, delay);

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1353 }

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1354

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1355 /* (non-Javadoc)

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1356 * @see IJobFamily#wakeUp(String)

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1357 */

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1358 public void wakeUp(Object family) {

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1359 //don't synchronize because wakeUp calls listeners

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1360 for (Iterator it = select(family).iterator(); it.hasNext();) {

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1361 wakeUp(cast(InternalJob) it.next(), 0L);

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1362 }

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1363 }

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1364 }

Mercurial > projects > dwt2

annotate org.eclipse.core.jobs/src/org/eclipse/core/internal/jobs/JobManager.d @ 12:bc29606a740c