org.hibernate.cache.NoCacheProvider Maven / Gradle / Ivy
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.cache;
import java.util.Properties;
/**
* Implementation of NoCacheProvider.
*
* @author Steve Ebersole
*/
public class NoCacheProvider implements CacheProvider {
/**
* Configure the cache
*
* @param regionName the name of the cache region
* @param properties configuration settings
*
* @throws CacheException
*/
public Cache buildCache(String regionName, Properties properties) throws CacheException {
throw new NoCachingEnabledException();
}
/**
* Generate a timestamp
*/
public long nextTimestamp() {
// This, is used by SessionFactoryImpl to hand to the generated SessionImpl;
// was the only reason I could see that we cannot just use null as
// Settings.cacheProvider
return System.currentTimeMillis() / 100;
}
/**
* Callback to perform any necessary initialization of the underlying cache implementation during SessionFactory
* construction.
*
* @param properties current configuration settings.
*/
public void start(Properties properties) throws CacheException {
// this is called by SessionFactory irregardless; we just disregard here;
// could also add a check to SessionFactory to only conditionally call start
}
/**
* Callback to perform any necessary cleanup of the underlying cache implementation during SessionFactory.close().
*/
public void stop() {
// this is called by SessionFactory irregardless; we just disregard here;
// could also add a check to SessionFactory to only conditionally call stop
}
public boolean isMinimalPutsEnabledByDefault() {
// this is called from SettingsFactory irregardless; trivial to simply disregard
return false;
}
}