docs/teaching/exercises/answers/Answer2e.java


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/* *******************************************************************
 * Copyright (c) 2002 Palo Alto Research Center, Incorporated (PARC).
 * 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: 
 *     PARC     initial implementation 
 * ******************************************************************/

package answers;

import figures.*;

public aspect Answer2e {
    pointcut checkpoint(Box box):
        call(void move(int, int)) && target(box);

    after(Box box) returning: checkpoint(box) {
        box.checkBoxness();
    }
}