01: /***************************************************************
02: * This file is part of the [fleXive](R) project.
03: *
04: * Copyright (c) 1999-2008
05: * UCS - unique computing solutions gmbh (http://www.ucs.at)
06: * All rights reserved
07: *
08: * The [fleXive](R) project is free software; you can redistribute
09: * it and/or modify it under the terms of the GNU General Public
10: * License as published by the Free Software Foundation;
11: * either version 2 of the License, or (at your option) any
12: * later version.
13: *
14: * The GNU General Public License can be found at
15: * http://www.gnu.org/copyleft/gpl.html.
16: * A copy is found in the textfile GPL.txt and important notices to the
17: * license from the author are found in LICENSE.txt distributed with
18: * these libraries.
19: *
20: * This library is distributed in the hope that it will be useful,
21: * but WITHOUT ANY WARRANTY; without even the implied warranty of
22: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23: * GNU General Public License for more details.
24: *
25: * For further information about UCS - unique computing solutions gmbh,
26: * please see the company website: http://www.ucs.at
27: *
28: * For further information about [fleXive](R), please see the
29: * project website: http://www.flexive.org
30: *
31: *
32: * This copyright notice MUST APPEAR in all copies of the file!
33: ***************************************************************/package com.flexive.shared.cache.impl;
34:
35: import com.flexive.shared.cache.FxBackingCacheProvider;
36: import com.flexive.shared.cache.FxBackingCache;
37: import com.flexive.shared.cache.FxCacheException;
38: import org.jboss.cache.RegionManager;
39: import org.jboss.cache.CacheSPI;
40: import org.jboss.cache.Fqn;
41: import org.jboss.cache.Region;
42: import org.jboss.cache.eviction.LRUConfiguration;
43:
44: /**
45: * Base backing cache provider implementation.
46: *
47: * @author Daniel Lichtenberger (daniel.lichtenberger@flexive.com), UCS - unique computing solutions gmbh (http://www.ucs.at)
48: * @version $Rev$
49: */
50: public abstract class AbstractBackingCacheProvider<T extends FxBackingCache>
51: implements FxBackingCacheProvider {
52: protected T cache;
53:
54: /**
55: * {@inheritDoc}
56: */
57: public void setEvictionStrategy(String path, int maxContents,
58: int timeToIdle, int timeToLive) throws FxCacheException {
59: RegionManager rm = ((CacheSPI) cache.getCache())
60: .getRegionManager();
61: LRUConfiguration config = new LRUConfiguration();
62: config.setMaxNodes(maxContents);
63: config.setMaxAgeSeconds(timeToIdle);
64: config.setTimeToLiveSeconds(timeToLive);
65: rm.getRegion(Fqn.fromString(path), true).setEvictionPolicy(
66: config);
67: }
68: }
|