CacheFactory.java

/*
This file is part of jTotus.

jTotus is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

jTotus 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 for more details.

You should have received a copy of the GNU General Public License
along with jTotus.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.jtotus.database;

/**
 *
 * @author Evgeni Kappinen
 */
public class CacheFactory {

    private Cache cache;

    private CacheFactory() {
    }

    private static class SingletonHolder {

        public static final CacheFactory instance = new CacheFactory();
    }

    public static CacheFactory getInstance() {
        return SingletonHolder.instance;
    }

    public synchronized Cache getCache() {
        if (cache == null) {
            cache = new LRUCache();
        }
        return cache;
    }
}