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Java > Open Source Codes > org > objectweb > perseus > cache > api > CacheCapacityEvent


1 /**
2  * Copyright (C) 2001-2002
3  * - France Telecom R&D
4  * - Laboratoire Logiciels, Systemes, Reseaux - UMR 5526, CNRS-INPG-UJF
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  * Release: 1.0
21  *
22  * Authors:
23  *
24  */
25
26 package org.objectweb.perseus.cache.api;
27
28 /**
29  * This class represents an event produced by the cache when its size has been
30  * changed.
31  *
32  * @author Luciano Garcia-Banuelos (Luciano.Garcia@imag.fr)
33  */
34 public interface CacheCapacityEvent {
35
36     /**
37      * Used to notify a cache resizing
38      */
39     static final int NOTIFY_CACHE_RESIZE = 1;
40
41
42     /**
43      * Returns the cache event type.
44      */
45     int getEventId();
46
47     /**
48      * It retrieves the old cache size before the resizing.
49      */
50     int getOldSize();
51
52     /**
53      * It retrieves the new cache size.
54      */
55     int getSize();
56
57 }
58
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