/**
* GRANITE DATA SERVICES
* Copyright (C) 2006-2015 GRANITE DATA SERVICES S.A.S.
*
* This file is part of the Granite Data Services Platform.
*
* Granite Data Services 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.
*
* Granite Data Services 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA, or see <http://www.gnu.org/licenses/>.
*/
package org.granite.tide.hibernate4;
import java.io.Serializable;
import org.granite.tide.TideTransactionManager;
import org.granite.tide.data.AbstractTidePersistenceManager;
import org.granite.util.Entity;
import org.hibernate.Query;
import org.hibernate.SessionFactory;
/**
* Responsible for attaching a session with the persistence mangager
* @author cingram
*
*/
public class HibernatePersistenceManager extends AbstractTidePersistenceManager {
private SessionFactory sessionFactory;
public HibernatePersistenceManager(TideTransactionManager tm) {
super(tm);
}
public HibernatePersistenceManager(SessionFactory sf) {
super(null);
this.sessionFactory = sf;
}
public HibernatePersistenceManager(SessionFactory sf, TideTransactionManager tm) {
super(tm);
this.sessionFactory = sf;
}
@Override
public void close() {
}
/**
* attaches the entity to the JPA context.
* @return the attached entity
*/
@Override
public Object fetchEntity(Object entity, String[] fetch) {
Entity tideEntity = new Entity(entity);
Serializable id = (Serializable)tideEntity.getIdentifier();
if (id == null)
return null;
if (fetch == null)
return sessionFactory.getCurrentSession().load(entity.getClass(), id);
for (String f : fetch) {
Query q = sessionFactory.getCurrentSession().createQuery("select e from " + entity.getClass().getName() + " e left join fetch e." + f + " where e = :entity");
q.setParameter("entity", entity);
entity = q.uniqueResult();
}
return entity;
}
}