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Java > Open Source Codes > javax > util > jcache > CacheListener


1 /* Open Source Java Caching Service
2 * Copyright (C) 2002 Frank Karlstrøm
3 * This library is free software; you can redistribute it and/or
4 * modify it under the terms of the GNU Lesser General Public
5 * License as published by the Free Software Foundation; either
6 * version 2.1 of the License, or (at your option) any later version.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * Lesser General Public License for more details.
12 *
13 * You should have received a copy of the GNU Lesser General Public
14 * License along with this library; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
16 *
17 * The author can be contacted by email: fjankk@users.sourceforge.net
18 */
19 package javax.util.jcache;
20
21 /**
22  * Interface describing various events that can happen as elements are added to or removed from a cache
23  * @author Frank Karlstrøm
24  *
25  */
26 public interface CacheListener extends CacheEventListener {
27     
28     public void onClear();
29     /**
30      * Triggered when a cache mapping is removed due to eviction
31      * @param key the object wich is evicted.
32      */
33     public void onEvict(Object JavaDoc key);
34     /**
35      * Triggered when a cache mapping is created due to the cache loader being consulted
36      * @param key the object wich is loaded.
37      */
38     public void onLoad(Object JavaDoc key);
39     /**
40      * Triggered when a cache mapping is created due to calling Cache.put()
41      * @param key the object wich is put.
42      */
43     public void onPut(Object JavaDoc key);
44     /**
45      * Triggered when a cache mapping is removed due to calling Cache.remove()
46      * @param key the object wich is removed.
47      */
48     public void onRemove(Object JavaDoc key);
49 }
50
51
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