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annotate org.eclipse.equinox.common/src/org/eclipse/core/runtime/NullProgressMonitor.d @ 105:bbe49769ec18

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author Frank Benoit <benoit@tionex.de>
date Sun, 08 Nov 2009 12:42:30 +0100
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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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 *******************************************************************************/
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11 // Port to the D programming language:
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12 // Frank Benoit <benoit@tionex.de>
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13 module org.eclipse.core.runtimeNullProgressMonitor;
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14
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15 import java.lang.all;
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16
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17 import org.eclipse.core.runtimeIProgressMonitor; // packageimport
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18
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19 /**
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20 * A default progress monitor implementation suitable for
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21 * subclassing.
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22 * <p>
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23 * This implementation supports cancelation. The default
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24 * implementations of the other methods do nothing.
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25 * </p><p>
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26 * This class can be used without OSGi running.
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27 * </p>
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28 */
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29 public class NullProgressMonitor : IProgressMonitor {
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30
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31 /**
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32 * Indicates whether cancel has been requested.
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33 */
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34 private bool cancelled = false;
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35
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36 /**
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37 * Constructs a new progress monitor.
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38 */
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39 public this() {
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40 super();
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41 }
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42
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43 /**
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44 * This implementation does nothing.
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45 * Subclasses may override this method to do interesting
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46 * processing when a task begins.
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47 *
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48 * @see IProgressMonitor#beginTask(String, int)
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49 */
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50 public void beginTask(String name, int totalWork) {
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51 // do nothing
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52 }
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53
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54 /**
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55 * This implementation does nothing.
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56 * Subclasses may override this method to do interesting
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57 * processing when a task is done.
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58 *
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59 * @see IProgressMonitor#done()
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60 */
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61 public void done() {
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62 // do nothing
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63 }
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64
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65 /**
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66 * This implementation does nothing.
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67 * Subclasses may override this method.
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68 *
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69 * @see IProgressMonitor#internalWorked(double)
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70 */
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71 public void internalWorked(double work) {
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72 // do nothing
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73 }
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75 /**
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76 * This implementation returns the value of the internal
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77 * state variable set by <code>setCanceled</code>.
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78 * Subclasses which override this method should
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79 * override <code>setCanceled</code> as well.
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80 *
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81 * @see IProgressMonitor#isCanceled()
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82 * @see IProgressMonitor#setCanceled(boolean)
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83 */
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84 public bool isCanceled() {
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85 return cancelled;
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86 }
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87
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88 /**
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89 * This implementation sets the value of an internal state variable.
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90 * Subclasses which override this method should override
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91 * <code>isCanceled</code> as well.
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92 *
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93 * @see IProgressMonitor#isCanceled()
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94 * @see IProgressMonitor#setCanceled(boolean)
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95 */
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96 public void setCanceled(bool cancelled) {
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97 this.cancelled = cancelled;
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98 }
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99
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100 /**
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101 * This implementation does nothing.
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102 * Subclasses may override this method to do something
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103 * with the name of the task.
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104 *
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105 * @see IProgressMonitor#setTaskName(String)
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106 */
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107 public void setTaskName(String name) {
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108 // do nothing
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109 }
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110
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111 /**
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112 * This implementation does nothing.
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113 * Subclasses may override this method to do interesting
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114 * processing when a subtask begins.
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115 *
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116 * @see IProgressMonitor#subTask(String)
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117 */
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118 public void subTask(String name) {
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119 // do nothing
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120 }
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121
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122 /**
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123 * This implementation does nothing.
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124 * Subclasses may override this method to do interesting
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125 * processing when some work has been completed.
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126 *
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127 * @see IProgressMonitor#worked(int)
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128 */
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129 public void worked(int work) {
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130 // do nothing
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131 }
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132 }