/*
* @(#)$Id: LRUCacheProvider.java 3619 2008-03-26 07:23:03Z yui $
*
* Copyright 2006-2008 Makoto YUI
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Contributors:
* Makoto YUI - initial implementation
*/
package xbird.util.cache.provider;
import java.util.Properties;
import xbird.config.Settings;
import xbird.util.cache.*;
import xbird.util.cache.algorithm.LRUCache;
/**
* Factory of LRUCache.
* <DIV lang="en"></DIV>
* <DIV lang="ja"></DIV>
*
* @author Makoto YUI <yuin405+xbird@gmail.com>
*/
public class LRUCacheProvider implements CacheProvider {
private static final String DEFAULT_MAX_CACHE_ENTRIES = Settings.get(CacheFactory.PROP_MAX_CACHE_ENTRIES);
public LRUCacheProvider() {}
public Cache buildCache(String regionName, Properties properties) {
String v = properties.getProperty(CacheFactory.PROP_MAX_CACHE_ENTRIES);
String maxEntries = (v == null) ? DEFAULT_MAX_CACHE_ENTRIES : v;
if (maxEntries != null) {
int m = new Integer(maxEntries).intValue();
return new LRUCache(regionName, m);
} else {
return new LRUCache(regionName);
}
}
}