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1 /***
2 * NotifyOnExit.java
3 *
4 * Project: Dependency Tool
5 *
6 * WHEN WHO WHAT
7 * 06.06.2003 pko initial public release
8 * 20.02.2003 pko creation
9 *
10 * Copyright 2003 ELCA Informatique SA
11 * Av. de la Harpe 22-24, 1000 Lausanne 13, Switzerland
12 * www.elca.ch
13 *
14 * This library is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU Lesser General Public License
16 * as published by the Free Software Foundation; either version 2.1 of
17 * the License, or (at your option) any later version.
18 *
19 * This library is distributed in the hope that it will be useful, but
20 * WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 * Lesser General Public License for more details.
23 *
24 * You should have received a copy of the GNU Lesser General Public
25 * License along with this library; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
27 * USA
28 */
29
30 package ch.elca.dependency.util;
31
32 /***
33 * The class <code>NotifyOnExit</code> used as superclass for all
34 * classes which need to be notified just before the termination of
35 * the Dependency Tool.
36 *
37 * @author Pawel Kowalski
38 * @version 1.0-beta
39 */
40 public abstract class NotifyOnExit {
41
42 /***
43 * Creates a new <code>NotifyOnExit</code> instance and register
44 * it for termination-notification.
45 */
46 public NotifyOnExit() {
47 Shutdown.register(this);
48 }
49
50 /***
51 * Notify the instance of this class that the DependencyTool is
52 * just before termination. This method is abstract, to be
53 * overridden by subclasses which need to implement this its
54 * functionality.
55 */
56 public abstract void notifyOnExit();
57 }
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