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annotate org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/ObservableMap.d @ 97:c86eb8b3098e

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packageimport
author Frank Benoit <benoit@tionex.de>
date Tue, 21 Apr 2009 11:18:25 +0200
parents b74ac5dfcc06
children
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1 /*******************************************************************************
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2 * Copyright (c) 2006, 2007 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 * Brad Reynolds - bug 164653
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11 * Matthew Hall - bug 245183
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12 *******************************************************************************/
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13
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14 module org.eclipse.core.databinding.observable.map.ObservableMap;
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15 import org.eclipse.core.databinding.observable.map.MapDiff;
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16 import org.eclipse.core.databinding.observable.map.MapChangeEvent;
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17 import org.eclipse.core.databinding.observable.map.IMapChangeListener;
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18 import org.eclipse.core.databinding.observable.map.IObservableMap;
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19
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20 import java.lang.all;
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21
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22 import java.util.Collection;
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23 import java.util.Map;
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24 import java.util.Set;
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25
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26 import org.eclipse.core.databinding.observable.AbstractObservable;
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27 import org.eclipse.core.databinding.observable.ObservableTracker;
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28 import org.eclipse.core.databinding.observable.Realm;
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29
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30 /**
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31 *
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32 * <p>
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33 * This class is thread safe. All state accessing methods must be invoked from
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34 * the {@link Realm#isCurrent() current realm}. Methods for adding and removing
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35 * listeners may be invoked from any thread.
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36 * </p>
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37 * @since 1.0
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38 */
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39 public class ObservableMap : AbstractObservable , IObservableMap {
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40
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41 protected Map wrappedMap;
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42
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43 private bool stale = false;
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44
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45 /**
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46 * @param wrappedMap
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47 */
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48 public this(Map wrappedMap) {
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49 this(Realm.getDefault(), wrappedMap);
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50 }
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51
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52 /**
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53 * @param realm
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54 * @param wrappedMap
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55 */
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56 public this(Realm realm, Map wrappedMap) {
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57 super(realm);
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58 this.wrappedMap = wrappedMap;
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59 }
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60
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61 public synchronized void addMapChangeListener(IMapChangeListener listener) {
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62 addListener(MapChangeEvent.TYPE, listener);
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63 }
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64
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65 public synchronized void removeMapChangeListener(IMapChangeListener listener) {
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66 removeListener(MapChangeEvent.TYPE, listener);
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67 }
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68
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69 protected void getterCalled() {
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70 ObservableTracker.getterCalled(this);
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71 }
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72
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73 protected void fireMapChange(MapDiff diff) {
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74 checkRealm();
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75
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76 // fire general change event first
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77 super.fireChange();
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78
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79 fireEvent(new MapChangeEvent(this, diff));
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80 }
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81
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82 public bool containsKey(Object key) {
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83 getterCalled();
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84 return wrappedMap.containsKey(key);
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85 }
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86
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87 public bool containsValue(Object value) {
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88 getterCalled();
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89 return wrappedMap.containsValue(value);
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90 }
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91
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92 public Set entrySet() {
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93 getterCalled();
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94 return wrappedMap.entrySet();
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95 }
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96
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97 public Object get(Object key) {
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98 getterCalled();
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99 return wrappedMap.get(key);
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100 }
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101
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102 public bool isEmpty() {
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103 getterCalled();
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104 return wrappedMap.isEmpty();
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105 }
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106
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107 public Set keySet() {
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108 getterCalled();
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109 return wrappedMap.keySet();
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110 }
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111
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112 public int size() {
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113 getterCalled();
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114 return wrappedMap.size();
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115 }
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116
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117 public Collection values() {
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118 getterCalled();
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119 return wrappedMap.values();
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120 }
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121
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122 /**
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123 * Returns the stale state. Must be invoked from the current realm.
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124 *
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125 * @return stale state
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126 */
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127 public bool isStale() {
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128 checkRealm();
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129 return stale;
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130 }
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131
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132 /**
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133 * Sets the stale state. Must be invoked from the current realm.
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134 *
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135 * @param stale
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136 * The stale state to set. This will fire a stale event if the
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137 * given bool is true and this observable set was not already
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138 * stale.
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139 */
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140 public void setStale(bool stale) {
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141 checkRealm();
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142 bool wasStale = this.stale;
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143 this.stale = stale;
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144 if (!wasStale && stale) {
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145 fireStale();
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146 }
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147 }
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148
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149 public Object put(Object key, Object value) {
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150 throw new UnsupportedOperationException();
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151 }
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152
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153 public Object remove(Object key) {
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154 throw new UnsupportedOperationException();
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155 }
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156
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157 public void clear() {
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158 throw new UnsupportedOperationException();
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159 }
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160
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161 public void putAll(Map arg0) {
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162 throw new UnsupportedOperationException();
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163 }
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164
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165 public synchronized void dispose() {
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166 super.dispose();
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167 }
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168
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169 public override equals_t opEquals(Object obj) {
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170 getterCalled();
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171
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172 if (obj is this)
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173 return true;
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174 if (obj is null)
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175 return false;
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176 if (getClass() is obj.getClass()) {
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177 return wrappedMap.equals((cast(ObservableMap) obj).wrappedMap);
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178 }
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179
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180 return wrappedMap.equals(obj);
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181 }
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182
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183 public override hash_t toHash() {
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184 getterCalled();
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185
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186 return wrappedMap.hashCode();
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187 }
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188 }