Mercurial > projects > dwt2
view org.eclipse.core.databinding/src/org/eclipse/core/internal/databinding/IdentityWrapper.d @ 78:0a55d2d5a946
Added file for databinding
author | Frank Benoit <benoit@tionex.de> |
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date | Tue, 14 Apr 2009 11:35:29 +0200 |
parents | |
children | 6be48cf9f95c |
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/******************************************************************************* * Copyright (c) 2006 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Daniel Kruegler - bug 137435 ******************************************************************************/ module org.eclipse.core.internal.databinding.IdentityWrapper; import java.lang.all; /** * Used for wrapping objects that define their own implementations of equals() * and hashCode() when putting them in sets or hashmaps to ensure identity * comparison. * * @since 1.0 * */ public class IdentityWrapper { final Object o; /** * @param o */ public this(Object o) { this.o = o; } /** * @return the unwrapped object */ public Object unwrap() { return o; } public override bool opEquals(Object obj) { if (obj is null || obj.getClass() !is IdentityWrapper.classinfo) { return false; } return o is (cast(IdentityWrapper) obj).o; } public int hashCode() { return System.identityHashCode(o); } }