/* ******************************************************************* * 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 Eclipse Public License v 2.0 * which accompanies this distribution and is available at * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.txt * * Contributors: * PARC initial implementation * ******************************************************************/ package answers; import figures.*; import java.awt.Rectangle; aspect Answer2f { void around(FigureElement fe, int dx, int dy): target(fe) && call(void move(int, int)) && args(dx, dy) { Rectangle preBounds = new Rectangle(fe.getBounds()); proceed(fe, dx, dy); preBounds.translate(dx, dy); if (!preBounds.equals(fe.getBounds())) { throw new IllegalStateException("bounds don't match move"); } } }