/*
* JBoss, a division of Red Hat
* Copyright 2012, Red Hat Middleware, LLC, and individual
* contributors as indicated by the @authors tag. See the
* copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.services.organization.idm;
import java.security.PrivilegedAction;
import org.exoplatform.commons.utils.SecurityHelper;
import org.exoplatform.container.xml.InitParams;
import org.exoplatform.services.cache.CacheService;
import org.exoplatform.services.database.impl.HibernateServiceImpl;
import org.hibernate.SessionFactory;
import org.hibernate.SessionFactoryObserver;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.BootstrapServiceRegistry;
import org.hibernate.service.BootstrapServiceRegistryBuilder;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;
import org.hibernate.service.internal.StandardServiceRegistryImpl;
/**
* Custom implementation of {@link org.exoplatform.services.database.HibernateService} compatible with Hibernate4
*
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class CustomHibernateServiceImpl extends HibernateServiceImpl {
private SessionFactory sessFactory;
public CustomHibernateServiceImpl(InitParams initParams, CacheService cacheService) {
super(initParams, cacheService);
}
@Override
public SessionFactory getSessionFactory() {
if (sessFactory == null) {
sessFactory = SecurityHelper.doPrivilegedAction(new PrivilegedAction<SessionFactory>() {
public SessionFactory run() {
return buildSessionFactory();
}
});
}
return sessFactory;
}
// We need custom ClassloaderService, which is able to locate our UserTransactionJtaPlatform class from tccl.
// Default ClassLoaderServiceImpl is bootstrapped with no-arg constructor, so it uses only Hibernate Classloader
// TODO: Remove once https://issues.jboss.org/browse/HIBERNATE-137 will be fixed (likely whole class can be removed)
protected SessionFactory buildSessionFactory() {
Configuration conf = getHibernateConfiguration();
BootstrapServiceRegistry bootstrapRegistry = createHibernateBootstrapServiceRegistry();
final ServiceRegistry serviceRegistry = new ServiceRegistryBuilder(bootstrapRegistry).applySettings(
conf.getProperties()).buildServiceRegistry();
conf.setSessionFactoryObserver(new SessionFactoryObserver() {
@Override
public void sessionFactoryCreated(SessionFactory factory) {
}
@Override
public void sessionFactoryClosed(SessionFactory factory) {
((StandardServiceRegistryImpl) serviceRegistry).destroy();
}
});
return conf.buildSessionFactory(serviceRegistry);
}
/**
* @return bootstrapServiceRegistry, which is using classloaderService, which is able to find classes from tccl, hibernate
* classloader and system classloader
*/
protected BootstrapServiceRegistry createHibernateBootstrapServiceRegistry() {
ClassLoader tccl = Thread.currentThread().getContextClassLoader();
ClassLoader hibernateCl = BootstrapServiceRegistry.class.getClassLoader();
return new BootstrapServiceRegistryBuilder().withApplicationClassLoader(tccl).withHibernateClassLoader(hibernateCl)
.build();
}
}