Mercurial > projects > dwt2

annotate org.eclipse.core.databinding.beans/src/org/eclipse/core/internal/databinding/beans/IdentityWrapper.d @ 104:88652073d1c2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More work on icu
author Frank Benoit <benoit@tionex.de>
date Sat, 02 May 2009 11:27:24 +0200
parents 48d4ee626868
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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 * Daniel Kruegler - bug 137435
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
11 *******************************************************************************/
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
12
96
b74ac5dfcc06 package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents: 95
diff changeset
13 module org.eclipse.core.internal.databinding.beans.IdentityWrapper;
b74ac5dfcc06 package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents: 95
diff changeset
14
b74ac5dfcc06 package to module and java.lang.all import
Frank Benoit <benoit@tionex.de>
parents: 95
diff changeset
15 import java.lang.all;
95
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
16
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 /**
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18 * Used for wrapping objects that define their own implementations of equals()
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
19 * and hashCode() when putting them in sets or hashmaps to ensure identity
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
20 * comparison.
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
21 *
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
22 * @since 1.0
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
23 *
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
24 */
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
25 public class IdentityWrapper {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
26 final Object o;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
27
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28 /**
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 * @param o
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 */
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31 public this(Object o) {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32 this.o = o;
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33 }
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 /**
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
36 * @return the unwrapped object
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
37 */
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
38 public Object unwrap() {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
39 return o;
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
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
42 public override equals_t opEquals(Object obj) {
98
48d4ee626868 rm databinding.observable seems to be duplicate, databinding.beans now building
Frank Benoit <benoit@tionex.de>
parents: 96
diff changeset
43 if (obj is null || Class.fromObject(obj) !is Class.fromType!(IdentityWrapper)) {
95
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
44 return false;
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 return o is (cast(IdentityWrapper) obj).o;
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
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
49 public override hash_t toHash() {
6208d4f6a277 Added trees for databinding.beans and observable
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
50 return System.identityHashCode(o);
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 }