/*******************************************************************************
 * Copyright (c) 2001, 2004 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
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.core;


/**
 * Interface for those wanting to listen to events fired by the model manager.
 */
public interface IModelManagerListener {

	/**
	 * One or more models are about to be changed. This typically is initiated
	 * by one client of the model (such as LinksBuilder), to signal that
	 * several models are about to be changed. These models might be
	 * interrelated, so a listener (such as FrameManger) will know to a
	 * "massive" change is about to take place.
	 */
	void modelsAboutToBeChanged();

	/**
	 * Signals that the changes foretold by modelsAboutToBeChanged have been
	 * made. A typical use might be to refresh, or to resume processing that
	 * was suspended as a result of modelsAboutToBeChanged.
	 */
	void modelsChanged();
}