/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package org.opencloudb.cache.impl;
import java.util.concurrent.TimeUnit;
import org.mapdb.DB;
import org.mapdb.DBMaker;
import org.mapdb.HTreeMap;
import org.opencloudb.cache.CachePool;
import org.opencloudb.cache.CachePoolFactory;
public class MapDBCachePooFactory extends CachePoolFactory {
private DB db = DBMaker.newDirectMemoryDB().cacheSize(1000)
.cacheLRUEnable().make();
@Override
public CachePool createCachePool(String poolName, int cacheSize,
int expiredSeconds) {
HTreeMap<Object, Object> cache = this.db.createHashMap(poolName)
.expireMaxSize(cacheSize)
.expireAfterAccess(expiredSeconds, TimeUnit.SECONDS)
.makeOrGet();
return new MapDBCachePool(cache,cacheSize);
}
}