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Java > Open Source Codes > com > opensymphony > oscache > base > events > CacheEntryEventListener


1 /*
2  * Copyright (c) 2002-2003 by OpenSymphony
3  * All rights reserved.
4  */
5 package com.opensymphony.oscache.base.events;
6
7
8 /**
9  * This is the interface to listen to cache entry events. There is a method
10  * for each event type. These methods are called via a dispatcher. If you
11  * want to be notified when an event occurs on an entry, group or across a
12  * pattern, register a listener and implement this interface.
13  *
14  * @version $Revision: 1.1 $
15  * @author <a HREF="mailto:fbeauregard@pyxis-tech.com">Francois Beauregard</a>
16  */
17 public interface CacheEntryEventListener extends CacheEventListener {
18     /**
19      * Event fired when an entry is added to the cache.
20      */
21     void cacheEntryAdded(CacheEntryEvent event);
22
23     /**
24      * Event fired when an entry is flushed from the cache.
25      */
26     void cacheEntryFlushed(CacheEntryEvent event);
27
28     /**
29      * Event fired when an entry is removed from the cache.
30      */
31     void cacheEntryRemoved(CacheEntryEvent event);
32
33     /**
34      * Event fired when an entry is updated in the cache.
35      */
36     void cacheEntryUpdated(CacheEntryEvent event);
37
38     /**
39      * Event fired when a group is flushed from the cache.
40      */
41     void cacheGroupFlushed(CacheGroupEvent event);
42
43     /**
44      * Event fired when a key pattern is flushed from the cache.
45      * Note that this event will <em>not</em> be fired if the pattern
46      * is <code>null</code> or an empty string, instead the flush
47      * request will silently be ignored.
48      */
49     void cachePatternFlushed(CachePatternEvent event);
50
51     /**
52      * An event that is fired when an entire cache gets flushed.
53      */
54     void cacheFlushed(CachewideEvent event);
55 }
56
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