1 /*
2 * File: PropertyObservable.java
3 * Copyright (c) 2004-2007 Peter Kliem (Peter.Kliem@jaret.de)
4 * A commercial license is available, see http://www.jaret.de.
5 *
6 * All rights reserved. This program and the accompanying materials
7 * are made available under the terms of the Common Public License v1.0
8 * which accompanies this distribution, and is available at
9 * http://www.eclipse.org/legal/cpl-v10.html
10 */
11 package de.jaret.util.misc;
12
13 import java.beans.PropertyChangeListener;
14
15 /**
16 * Interface for an observable object.
17 *
18 * @author Peter Kliem
19 * @version $Id: PropertyObservable.java 250 2007-02-12 00:15:49Z olk $
20 */
21 public interface PropertyObservable {
22 /**
23 * Add a listener to be informed when a property changes.
24 *
25 * @param listener PropertyChangeListener to inform
26 */
27 void addPropertyChangeListener(PropertyChangeListener listener);
28
29 /**
30 * Remove a previously added PropertyChangeListener.
31 *
32 * @param listener listener to remove.
33 */
34 void removePropertyChangeListener(PropertyChangeListener listener);
35
36 }