12345678910111213141516171819202122232425262728293031 |
- /* *******************************************************************
- * 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.Group;
- import figures.FigureElement;
-
- public aspect Answer2c {
- before(FigureElement newValue, Group g):
- call(void Group.add(FigureElement))
- && args(newValue)
- && target(g) {
- if (newValue == null) {
- throw new IllegalArgumentException("null not allowed");
- }
- if (newValue == g) {
- throw new IllegalArgumentException("self not allowed");
- }
-
- }
- }
|