/******************************************************************************* * 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 ******************************************************************************/ package org.eclipse.core.internal.databinding.internal.beans; /** * 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 IdentityWrapper(Object o) { this.o = o; } /** * @return the unwrapped object */ public Object unwrap() { return o; } public boolean equals(Object obj) { if (obj == null || obj.getClass() != IdentityWrapper.class) { return false; } return o == ((IdentityWrapper) obj).o; } public int hashCode() { return System.identityHashCode(o); } }