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Java > Open Source Codes > org > apache > ws > jaxme > Observer


1 /*
2  * Copyright 2003, 2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16  
17 package org.apache.ws.jaxme;
18
19 /** <p>An Observer is the corresponding interface to the
20  * <code>Observable</code>: The Observer is watching the
21  * Observable.</p>
22  * <p>If the Observable changes its state, it calls the
23  * Observers <code>setObservableState()</code> method.</p>
24  *
25  * @author <a HREF="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
26  * @version $Id: Observer.java,v 1.4 2004/07/23 07:18:05 jochen Exp $
27  */
28 public interface Observer {
29   /** <p>The Observable indicates that its state has
30    * changed. The Observer must inspect the Observable
31    * to detect what exactly has changed.
32    */
33   public void notify(Object JavaDoc pObject);
34 }
35
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