package ca.ubc.cs.spl.aspectPatterns.patternLibrary;

/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * This file is part of the design patterns project at UBC
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * either http://www.mozilla.org/MPL/ or http://aspectj.org/MPL/.
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is ca.ubc.cs.spl.aspectPatterns.
 * 
 * For more details and the latest version of this code, please see:
 * http://www.cs.ubc.ca/labs/spl/projects/aodps.html
 *
 * Contributor(s):   
 */

/**
 * Declares the methods for setting and getting the state for <i>Memento</i>s.
 * 
 * @author  Jan Hannemann
 * @author  Gregor Kiczales
 * @version 1.1, 02/12/04
 */

public interface Memento {               

	/**
	 * Sets the state of this <i>Memento</i> give the passed state.
	 * 
	 * 
	 * @param state the state to store
	 */
    
    public void setState(Object state);

	/**
	 * Returns the state of this <i>Memento</i> give the passed originator.
	 * 
	 * @return the state stored by this <i>Memento</i>
	 */

    public Object getState();         
}
