/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package net.sourceforge.phpdt.core;

/**
 * A listener which gets notified when a particular type hierarchy object
 * changes.
 * <p>
 * This interface may be implemented by clients.
 * </p>
 */
public interface ITypeHierarchyChangedListener {
	/**
	 * Notifies that the given type hierarchy has changed in some way and should
	 * be refreshed at some point to make it consistent with the current state
	 * of the Java model.
	 * 
	 * @param typeHierarchy
	 *            the given type hierarchy
	 */
	void typeHierarchyChanged(ITypeHierarchy typeHierarchy);
}