/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2011, Red Hat Inc. 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 Inc.
*
* 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.ehcache;
import java.net.URL;
import java.util.Properties;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.config.Configuration;
import net.sf.ehcache.config.ConfigurationFactory;
import org.jboss.logging.Logger;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.ehcache.internal.util.HibernateEhcacheUtils;
import org.hibernate.cfg.Settings;
/**
* A non-singleton EhCacheRegionFactory implementation.
*
* @author Chris Dennis
* @author Greg Luck
* @author Emmanuel Bernard
* @author Abhishek Sanoujam
* @author Alex Snaps
*/
public class EhCacheRegionFactory extends AbstractEhcacheRegionFactory {
private static final EhCacheMessageLogger LOG = Logger.getMessageLogger(
EhCacheMessageLogger.class,
EhCacheRegionFactory.class.getName()
);
/**
* Creates a non-singleton EhCacheRegionFactory
*/
@SuppressWarnings("UnusedDeclaration")
public EhCacheRegionFactory() {
}
/**
* Creates a non-singleton EhCacheRegionFactory
*
* @param prop Not used
*/
@SuppressWarnings("UnusedDeclaration")
public EhCacheRegionFactory(Properties prop) {
super();
}
@Override
public void start(Settings settings, Properties properties) throws CacheException {
this.settings = settings;
if ( manager != null ) {
LOG.attemptToRestartAlreadyStartedEhCacheProvider();
return;
}
try {
String configurationResourceName = null;
if ( properties != null ) {
configurationResourceName = (String) properties.get( NET_SF_EHCACHE_CONFIGURATION_RESOURCE_NAME );
}
if ( configurationResourceName == null || configurationResourceName.length() == 0 ) {
final Configuration configuration = ConfigurationFactory.parseConfiguration();
manager = new CacheManager( configuration );
}
else {
final URL url = loadResource( configurationResourceName );
final Configuration configuration = HibernateEhcacheUtils.loadAndCorrectConfiguration( url );
manager = new CacheManager( configuration );
}
mbeanRegistrationHelper.registerMBean( manager, properties );
}
catch (net.sf.ehcache.CacheException e) {
if ( e.getMessage().startsWith(
"Cannot parseConfiguration CacheManager. Attempt to create a new instance of " +
"CacheManager using the diskStorePath"
) ) {
throw new CacheException(
"Attempt to restart an already started EhCacheRegionFactory. " +
"Use sessionFactory.close() between repeated calls to buildSessionFactory. " +
"Consider using SingletonEhCacheRegionFactory. Error from ehcache was: " + e.getMessage()
);
}
else {
throw new CacheException( e );
}
}
}
@Override
public void stop() {
try {
if ( manager != null ) {
mbeanRegistrationHelper.unregisterMBean();
manager.shutdown();
manager = null;
}
}
catch (net.sf.ehcache.CacheException e) {
throw new CacheException( e );
}
}
}