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annotate org.eclipse.core.databinding/src/org/eclipse/core/databinding/observable/map/AbstractObservableMap.d @ 98:48d4ee626868
rm databinding.observable seems to be duplicate, databinding.beans now building
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 22 Apr 2009 07:30:21 +0200 |
| parents | 1d37a7813832 |
| children |
| rev | line source |
|---|---|
| 78 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2006, 2008 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Brad Reynolds - bug 164653 | |
| 11 * Matthew Hall - bug 118516 | |
| 12 *******************************************************************************/ | |
| 13 | |
| 14 module org.eclipse.core.databinding.observable.map.AbstractObservableMap; | |
| 81 | 15 import org.eclipse.core.databinding.observable.map.MapDiff; |
| 16 import org.eclipse.core.databinding.observable.map.MapChangeEvent; | |
| 17 import org.eclipse.core.databinding.observable.map.IMapChangeListener; | |
| 18 import org.eclipse.core.databinding.observable.map.IObservableMap; | |
| 78 | 19 |
| 20 import java.lang.all; | |
| 21 | |
| 22 import java.util.AbstractMap; | |
| 85 | 23 import java.util.Set; |
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24 import java.util.Map; |
| 78 | 25 |
| 26 import org.eclipse.core.databinding.observable.ChangeEvent; | |
| 27 import org.eclipse.core.databinding.observable.ChangeSupport; | |
| 28 import org.eclipse.core.databinding.observable.IChangeListener; | |
| 29 import org.eclipse.core.databinding.observable.IStaleListener; | |
| 30 import org.eclipse.core.databinding.observable.Realm; | |
| 31 import org.eclipse.core.databinding.observable.StaleEvent; | |
| 32 import org.eclipse.core.runtime.Assert; | |
| 33 import org.eclipse.core.runtime.AssertionFailedException; | |
| 34 | |
| 35 /** | |
| 36 * | |
| 37 * <p> | |
| 38 * This class is thread safe. All state accessing methods must be invoked from | |
| 39 * the {@link Realm#isCurrent() current realm}. Methods for adding and removing | |
| 40 * listeners may be invoked from any thread. | |
| 41 * </p> | |
| 42 * @since 1.0 | |
| 43 */ | |
| 44 public abstract class AbstractObservableMap : AbstractMap , | |
| 45 IObservableMap { | |
| 46 | |
| 85 | 47 // DWT start reimplement |
| 48 public override int size(){ | |
| 49 return super.size(); | |
| 50 } | |
| 51 public override bool isEmpty(){ | |
| 52 return super.isEmpty(); | |
| 53 } | |
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54 public override bool containsKey(String o){ |
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55 return super.containsKey(o); |
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56 } |
| 85 | 57 public override bool containsKey(Object o){ |
| 58 return super.containsKey(o); | |
| 59 } | |
| 60 public override bool containsValue(Object o){ | |
| 61 return super.containsValue(o); | |
| 62 } | |
| 63 public override Object get(Object o){ | |
| 64 return super.get(o); | |
| 65 } | |
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66 public override Object put(String key, String value){ |
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67 return super.put(key, value); |
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68 } |
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69 public override Object put(Object key, String value){ |
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70 return super.put(key, value); |
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71 } |
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72 public override Object put(String key, Object value){ |
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73 return super.put(key, value); |
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74 } |
| 85 | 75 public override Object put(Object key, Object value){ |
| 76 return super.put(key, value); | |
| 77 } | |
| 78 public override equals_t opEquals(Object o){ | |
| 79 return super.opEquals(o); | |
| 80 } | |
| 81 public override hash_t toHash(){ | |
| 82 return super.toHash(); | |
| 83 } | |
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84 public override Object remove(String o){ |
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85 return super.remove(o); |
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86 } |
| 85 | 87 public override Object remove(Object o){ |
| 88 return super.remove(o); | |
| 89 } | |
| 90 public override Set keySet(){ | |
| 91 return super.keySet(); | |
| 92 } | |
| 93 public override Set values(){ | |
| 94 return super.values(); | |
| 95 } | |
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96 public int opApply (int delegate(ref Object value) dg){ |
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97 foreach( entry; entrySet() ){ |
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98 auto me = cast(Map.Entry)entry; |
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99 auto v = me.getValue(); |
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100 int res = dg( v ); |
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101 if( res ) return res; |
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102 } |
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103 return 0; |
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104 } |
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parents:
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105 public int opApply (int delegate(ref Object key, ref Object value) dg){ |
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106 foreach( entry; entrySet() ){ |
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107 auto me = cast(Map.Entry)entry; |
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108 auto k = me.getKey(); |
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109 auto v = me.getValue(); |
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110 int res = dg( k, v ); |
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111 if( res ) return res; |
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112 } |
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113 return 0; |
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114 } |
| 85 | 115 // DWT end reimplement |
| 78 | 116 private ChangeSupport changeSupport; |
| 117 | |
| 118 private bool stale; | |
| 119 | |
| 120 /** | |
| 121 */ | |
| 122 public this() { | |
| 123 this(Realm.getDefault()); | |
| 124 } | |
| 125 | |
| 126 /** | |
| 127 * | |
| 128 */ | |
| 129 protected void lastListenerRemoved() { | |
| 130 } | |
| 131 | |
| 132 /** | |
| 133 * | |
| 134 */ | |
| 135 protected void firstListenerAdded() { | |
| 136 } | |
| 137 | |
| 138 /** | |
| 139 * @param realm | |
| 140 */ | |
| 141 public this(Realm realm) { | |
| 142 Assert.isNotNull(realm, "Realm cannot be null"); //$NON-NLS-1$ | |
| 143 changeSupport = new class(realm) ChangeSupport { | |
| 85 | 144 this(Realm r){ super(r);} |
| 78 | 145 protected void firstListenerAdded() { |
| 146 this.outer.firstListenerAdded(); | |
| 147 } | |
| 148 protected void lastListenerRemoved() { | |
| 149 this.outer.lastListenerRemoved(); | |
| 150 } | |
| 151 }; | |
| 152 } | |
| 153 | |
| 154 public synchronized void addMapChangeListener(IMapChangeListener listener) { | |
| 155 changeSupport.addListener(MapChangeEvent.TYPE, listener); | |
| 156 } | |
| 157 | |
| 158 public synchronized void removeMapChangeListener(IMapChangeListener listener) { | |
| 159 changeSupport.removeListener(MapChangeEvent.TYPE, listener); | |
| 160 } | |
| 161 | |
| 162 public synchronized void addChangeListener(IChangeListener listener) { | |
| 163 changeSupport.addChangeListener(listener); | |
| 164 } | |
| 165 | |
| 166 public synchronized void addStaleListener(IStaleListener listener) { | |
| 167 changeSupport.addStaleListener(listener); | |
| 168 } | |
| 169 | |
| 170 public synchronized void dispose() { | |
| 171 changeSupport.dispose(); | |
| 172 changeSupport = null; | |
| 173 } | |
| 174 | |
| 175 public Realm getRealm() { | |
| 176 return changeSupport.getRealm(); | |
| 177 } | |
| 178 | |
| 179 public bool isStale() { | |
| 180 checkRealm(); | |
| 181 return stale; | |
| 182 } | |
| 183 | |
| 184 public synchronized void removeChangeListener(IChangeListener listener) { | |
| 185 changeSupport.removeChangeListener(listener); | |
| 186 } | |
| 187 | |
| 188 public synchronized void removeStaleListener(IStaleListener listener) { | |
| 189 changeSupport.removeStaleListener(listener); | |
| 190 } | |
| 191 | |
| 192 /** | |
| 193 * Sets the stale state. Must be invoked from the current realm. | |
| 194 * | |
| 195 * @param stale | |
| 196 */ | |
| 197 public void setStale(bool stale) { | |
| 198 checkRealm(); | |
| 199 this.stale = stale; | |
| 200 if (stale) { | |
| 201 fireStale(); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 /** | |
| 206 * Fires stale events. Must be invoked from current realm. | |
| 207 */ | |
| 208 protected void fireStale() { | |
| 209 checkRealm(); | |
| 210 changeSupport.fireEvent(new StaleEvent(this)); | |
| 211 } | |
| 212 | |
| 213 /** | |
| 214 * Fires change events. Must be invoked from current realm. | |
| 215 */ | |
| 216 protected void fireChange() { | |
| 217 checkRealm(); | |
| 218 changeSupport.fireEvent(new ChangeEvent(this)); | |
| 219 } | |
| 220 | |
| 221 /** | |
| 222 * Fires map change events. Must be invoked from current realm. | |
| 223 * | |
| 224 * @param diff | |
| 225 */ | |
| 226 protected void fireMapChange(MapDiff diff) { | |
| 227 checkRealm(); | |
| 228 changeSupport.fireEvent(new MapChangeEvent(this, diff)); | |
| 229 } | |
| 230 | |
| 231 /** | |
| 232 * Asserts that the realm is the current realm. | |
| 233 * | |
| 234 * @see Realm#isCurrent() | |
| 235 * @throws AssertionFailedException | |
| 236 * if the realm is not the current realm | |
| 237 */ | |
| 238 protected void checkRealm() { | |
| 239 Assert.isTrue(getRealm().isCurrent(), | |
| 240 "This operation must be run within the observable's realm"); //$NON-NLS-1$ | |
| 241 } | |
| 242 } |