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comparison org.eclipse.core.databinding/src/org/eclipse/core/databinding/observable/map/MapDiff.d @ 78:0a55d2d5a946

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Added file for databinding
author Frank Benoit <benoit@tionex.de>
date Tue, 14 Apr 2009 11:35:29 +0200
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76:f05e6e8b2f2d 78:0a55d2d5a946
1 /*******************************************************************************
2 * Copyright (c) 2006, 2007 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 *******************************************************************************/
11
12 module org.eclipse.core.databinding.observable.map.MapDiff;
13
14 import java.lang.all;
15
16 import java.util.Set;
17
18 /**
19 * @since 1.1
20 *
21 */
22 public abstract class MapDiff {
23
24 /**
25 * @return the set of keys which were added
26 */
27 public abstract Set getAddedKeys();
28
29 /**
30 * @return the set of keys which were removed
31 */
32 public abstract Set getRemovedKeys();
33
34 /**
35 * @return the set of keys for which the value has changed
36 */
37 public abstract Set getChangedKeys();
38
39 /**
40 * Returns the old value for the given key, which must be an element of
41 * {@link #getRemovedKeys()} or {@link #getChangedKeys()}.
42 *
43 * @param key
44 * @return the old value for the given key.
45 */
46 public abstract Object getOldValue(Object key);
47
48 /**
49 * Returns the new value for the given key, which must be an element of
50 * {@link #getChangedKeys()} or {@link #getAddedKeys()}.
51 *
52 * @param key
53 * @return the new value for the given key.
54 */
55 public abstract Object getNewValue(Object key);
56 }