projects/dwt2: org.eclipse.core.databinding.observable/src/org/eclipse/core/databinding/observable/map/CompositeMap.d annotate

author	Frank Benoit <benoit@tionex.de>
date	Tue, 21 Apr 2009 10:55:51 +0200
parents
children	b74ac5dfcc06

rev	line source
95 6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	1 /*******************************************************************************
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	2 * Copyright (c) 2006, 2008 IBM Corporation and others.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	3 * All rights reserved. This program and the accompanying materials
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	4 * are made available under the terms of the Eclipse Public License v1.0
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	5 * which accompanies this distribution, and is available at
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	6 * http://www.eclipse.org/legal/epl-v10.html
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	7 *
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	8 * Contributors:
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	9 * IBM Corporation - initial API and implementation
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	10 *******************************************************************************/
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	11 package org.eclipse.core.databinding.observable.map;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	12
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	13 import java.util.Collections;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	14 import java.util.HashMap;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	15 import java.util.HashSet;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	16 import java.util.Iterator;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	17 import java.util.Map;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	18 import java.util.Set;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	19
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	20 import org.eclipse.core.databinding.observable.Diffs;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	21 import org.eclipse.core.databinding.observable.Realm;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	22 import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	23 import org.eclipse.core.databinding.observable.set.WritableSet;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	24 import org.eclipse.core.runtime.Assert;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	25
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	26 /**
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	27 * A read-only observable map formed by the composition of two observable maps.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	28 * If map1 maps keys a:A to values b1:B, and map2 maps keys b2:B to values c:C,
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	29 * the composite map maps keys a:A to values c:C. For example, map1 could map
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	30 * Order objects to their corresponding Customer objects, and map2 could map
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	31 * Customer objects to their "last name" property of type String. The composite
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	32 * map of map1 and map2 would then map Order objects to their customers' last
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	33 * names.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	34 *
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	35 * <p>
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	36 * This class is thread safe. All state accessing methods must be invoked from
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	37 * the {@link Realm#isCurrent() current realm}. Methods for adding and removing
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	38 * listeners may be invoked from any thread.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	39 * </p>
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	40 *
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	41 * @since 1.1
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	42 *
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	43 */
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	44 public class CompositeMap : ObservableMap {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	45
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	46 private Map valueToElements = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	47
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	48 // adds that need to go through the second map and thus will be picked up by
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	49 // secondMapListener.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	50 private Set pendingAdds = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	51
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	52 // Removes that need to go through the second map and thus will be picked up
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	53 // by
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	54 // secondMapListener. Maps from value being removed to key being removed.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	55 private Map pendingRemoves = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	56
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	57 // Changes that need to go through the second map and thus will be picked up
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	58 // by
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	59 // secondMapListener. Maps from old value to new value and new value to old
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	60 // value.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	61 private Map pendingChanges = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	62
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	63 private IMapChangeListener firstMapListener = new class() IMapChangeListener {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	64
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	65 public void handleMapChange(MapChangeEvent event) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	66 MapDiff diff = event.diff;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	67 Set rangeSetAdditions = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	68 Set rangeSetRemovals = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	69 final Set adds = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	70 final Set changes = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	71 final Set removes = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	72 final Map oldValues = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	73
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	74 for (Iterator it = diff.getAddedKeys().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	75 Object addedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	76 Object newValue = diff.getNewValue(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	77 addMapping(addedKey, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	78 if (!rangeSet.contains(newValue)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	79 pendingAdds.add(newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	80 rangeSetAdditions.add(newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	81 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	82 adds.add(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	83 wrappedMap.put(addedKey, secondMap.get(newValue));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	84 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	85 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	86 for (Iterator it = diff.getChangedKeys().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	87 Object changedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	88 Object oldValue = diff.getOldValue(changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	89 Object newValue = diff.getNewValue(changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	90 bool removed = removeMapping(changedKey, oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	91 addMapping(changedKey, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	92 bool added = !rangeSet.contains(newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	93 if (removed) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	94 pendingRemoves.put(oldValue, changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	95 rangeSetRemovals.add(oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	96 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	97 if (added) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	98 pendingAdds.add(newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	99 rangeSetAdditions.add(newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	100 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	101 if (added \|\| removed) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	102 pendingChanges.put(oldValue, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	103 pendingChanges.put(newValue, oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	104 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	105 changes.add(changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	106 oldValues.put(changedKey, oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	107 wrappedMap.put(changedKey, secondMap.get(newValue));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	108 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	109 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	110 for (Iterator it = diff.getRemovedKeys().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	111 Object removedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	112 Object oldValue = diff.getOldValue(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	113 if (removeMapping(removedKey, oldValue)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	114 pendingRemoves.put(oldValue, removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	115 rangeSetRemovals.add(oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	116 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	117 removes.add(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	118 oldValues.put(removedKey, secondMap.get(oldValue));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	119 wrappedMap.remove(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	120 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	121 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	122
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	123 if (adds.size() > 0 \|\| removes.size() > 0 \|\| changes.size() > 0) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	124 fireMapChange(new class() MapDiff {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	125
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	126 public Set getAddedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	127 return adds;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	128 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	129
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	130 public Set getChangedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	131 return changes;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	132 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	133
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	134 public Object getNewValue(Object key) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	135 return wrappedMap.get(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	136 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	137
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	138 public Object getOldValue(Object key) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	139 return oldValues.get(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	140 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	141
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	142 public Set getRemovedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	143 return removes;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	144 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	145 });
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	146 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	147
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	148 if (rangeSetAdditions.size() > 0 \|\| rangeSetRemovals.size() > 0) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	149 rangeSet.addAndRemove(rangeSetAdditions, rangeSetRemovals);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	150 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	151 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	152 };
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	153
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	154 private IMapChangeListener secondMapListener = new class() IMapChangeListener {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	155
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	156 public void handleMapChange(MapChangeEvent event) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	157 MapDiff diff = event.diff;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	158 final Set adds = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	159 final Set changes = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	160 final Set removes = new HashSet();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	161 final Map oldValues = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	162 final Map newValues = new HashMap();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	163 Set addedKeys = new HashSet(diff.getAddedKeys());
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	164 Set removedKeys = new HashSet(diff.getRemovedKeys());
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	165
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	166 for (Iterator it = addedKeys.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	167 Object addedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	168 Set elements = getElementsForValue(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	169 Object newValue = diff.getNewValue(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	170 if (pendingChanges.containsKey(addedKey)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	171 Object oldKey = pendingChanges.remove(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	172 Object oldValue;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	173 if (removedKeys.remove(oldKey)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	174 oldValue = diff.getOldValue(oldKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	175 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	176 oldValue = secondMap.get(oldKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	177 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	178 pendingChanges.remove(oldKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	179 pendingAdds.remove(addedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	180 pendingRemoves.remove(oldKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	181 for (Iterator it2 = elements.iterator(); it2.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	182 Object element = it2.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	183 changes.add(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	184 oldValues.put(element, oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	185 newValues.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	186 wrappedMap.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	187 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	188 } else if (pendingAdds.remove(addedKey)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	189 for (Iterator it2 = elements.iterator(); it2.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	190 Object element = it2.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	191 adds.add(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	192 newValues.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	193 wrappedMap.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	194 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	195 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	196 Assert.isTrue(false, "unexpected case"); //$NON-NLS-1$
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	197 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	198 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	199 for (Iterator it = diff.getChangedKeys().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	200 Object changedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	201 Set elements = getElementsForValue(changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	202 for (Iterator it2 = elements.iterator(); it2.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	203 Object element = it2.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	204 changes.add(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	205 oldValues.put(element, diff.getOldValue(changedKey));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	206 Object newValue = diff.getNewValue(changedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	207 newValues.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	208 wrappedMap.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	209 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	210 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	211 for (Iterator it = removedKeys.iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	212 Object removedKey = it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	213 Object element = pendingRemoves.remove(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	214 if (element !is null) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	215 if (pendingChanges.containsKey(removedKey)) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	216 Object newKey = pendingChanges.remove(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	217 pendingChanges.remove(newKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	218 pendingAdds.remove(newKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	219 pendingRemoves.remove(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	220 changes.add(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	221 oldValues.put(element, diff.getOldValue(removedKey));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	222 Object newValue = secondMap.get(newKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	223 newValues.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	224 wrappedMap.put(element, newValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	225 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	226 removes.add(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	227 Object oldValue = diff.getOldValue(removedKey);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	228 oldValues.put(element, oldValue);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	229 wrappedMap.remove(element);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	230 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	231 } else {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	232 Assert.isTrue(false, "unexpected case"); //$NON-NLS-1$
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	233 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	234 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	235
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	236 if (adds.size() > 0 \|\| removes.size() > 0 \|\| changes.size() > 0) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	237 fireMapChange(new class() MapDiff {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	238
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	239 public Set getAddedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	240 return adds;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	241 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	242
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	243 public Set getChangedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	244 return changes;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	245 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	246
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	247 public Object getNewValue(Object key) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	248 return newValues.get(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	249 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	250
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	251 public Object getOldValue(Object key) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	252 return oldValues.get(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	253 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	254
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	255 public Set getRemovedKeys() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	256 return removes;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	257 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	258 });
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	259 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	260 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	261 };
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	262
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	263 private IObservableMap firstMap;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	264 private IObservableMap secondMap;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	265
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	266 private static class WritableSetPlus : WritableSet {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	267 void addAndRemove(Set additions, Set removals) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	268 wrappedSet.removeAll(removals);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	269 wrappedSet.addAll(additions);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	270 fireSetChange(Diffs.createSetDiff(additions, removals));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	271 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	272 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	273
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	274 private WritableSetPlus rangeSet = new WritableSetPlus();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	275
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	276 /**
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	277 * Creates a new composite map. Because the key set of the second map is
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	278 * determined by the value set of the given observable map
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	279 * <code>firstMap</code>, it cannot be passed in as an argument. Instead,
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	280 * the second map will be created by calling
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	281 * <code>secondMapFactory.createObservable(valueSet())</code>.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	282 *
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	283 * @param firstMap
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	284 * the first map
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	285 * @param secondMapFactory
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	286 * a factory that creates the second map when given an observable
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	287 * set representing the value set of <code>firstMap</code>.
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	288 */
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	289 public this(IObservableMap firstMap,
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	290 IObservableFactory secondMapFactory) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	291 super(firstMap.getRealm(), new HashMap());
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	292 this.firstMap = firstMap;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	293 firstMap.addMapChangeListener(firstMapListener);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	294 for (Iterator it = firstMap.entrySet().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	295 Map.Entry entry = cast(Entry) it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	296 addMapping(entry.getKey(), entry.getValue());
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	297 rangeSet.add(entry.getValue());
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	298 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	299 this.secondMap = cast(IObservableMap) secondMapFactory
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	300 .createObservable(rangeSet);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	301 secondMap.addMapChangeListener(secondMapListener);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	302 for (Iterator it = firstMap.entrySet().iterator(); it.hasNext();) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	303 Map.Entry entry = cast(Entry) it.next();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	304 wrappedMap.put(entry.getKey(), secondMap.get(entry.getValue()));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	305 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	306 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	307
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	308 /**
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	309 * @param key
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	310 * @param value
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	311 */
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	312 private void addMapping(Object key, Object value) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	313 Object elementOrSet = valueToElements.get(value);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	314 if (elementOrSet is null) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	315 valueToElements.put(value, key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	316 return;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	317 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	318 if (!( null !is cast(Set)elementOrSet )) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	319 elementOrSet = new HashSet(Collections.singleton(elementOrSet));
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	320 valueToElements.put(value, elementOrSet);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	321 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	322 Set set = cast(Set) elementOrSet;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	323 set.add(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	324 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	325
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	326 /**
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	327 * @param key
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	328 * @param value
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	329 */
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	330 private bool removeMapping(Object key, Object value) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	331 Object elementOrSet = valueToElements.get(value);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	332 if ( null !is cast(Set)elementOrSet ) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	333 Set set = cast(Set) elementOrSet;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	334 set.remove(key);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	335 if (set.size() is 0) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	336 valueToElements.remove(value);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	337 return true;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	338 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	339 return false;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	340 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	341 valueToElements.remove(value);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	342 return true;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	343 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	344
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	345 private Set getElementsForValue(Object value) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	346 Object elementOrSet = valueToElements.get(value);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	347 if ( null !is cast(Set)elementOrSet ) {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	348 return cast(Set) elementOrSet;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	349 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	350 return elementOrSet is null ? Collections.EMPTY_SET : Collections
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	351 .singleton(elementOrSet);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	352 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	353
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	354 public synchronized void dispose() {
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	355 super.dispose();
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	356 firstMap.removeMapChangeListener(firstMapListener);
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	357 firstMap = null;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	358 secondMap = null;
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	359 }
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	360
6208d4f6a277 Added trees for databinding.beans and observable Frank Benoit <benoit@tionex.de> parents: diff changeset	361 }

95

6208d4f6a277 Added trees for databinding.beans and observable