Bug 315281 update copyrights for 3.6
bundles/org.eclipse.core.databinding.observable/src/org/eclipse/core/internal/databinding/identity/IdentityWrapper.java
/*******************************************************************************
 * Copyright (c) 2006, 2009 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
 *     Matthew Hall - bug 303847
 ******************************************************************************/
package org.eclipse.core.internal.databinding.identity;
/**
 * 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 {
	private static final IdentityWrapper NULL_WRAPPER = new IdentityWrapper(
			null);
	/**
	 * @param o