/**
* 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.seam.lazy;
import java.io.Serializable;
import org.granite.config.ConvertersConfig;
import org.granite.context.GraniteContext;
import org.granite.messaging.amf.io.util.ClassGetter;
import org.granite.tide.TidePersistenceManager;
import org.hibernate.Session;
import org.jboss.seam.Entity;
import org.jboss.seam.util.Reflections;
/**
* Manager responsible for the maintaining a reference for the HibernateContext.
* @author CIngram
*/
public class HibernateContextManager implements TidePersistenceManager {
private Session session = null;
public HibernateContextManager() {
}
public HibernateContextManager(Session session) {
this.session = session;
}
/**
* Attach the passed in entity with the HibernateSession.
* @param entity
* @return the attached entity object
*/
public Object attachEntity(Object entity, String[] propertyNames) {
Object attachedEntity = null;
ClassGetter getter = ((ConvertersConfig)GraniteContext.getCurrentInstance().getGraniteConfig()).getClassGetter();
try {
attachedEntity = fetchEntity(entity, propertyNames);
if (propertyNames != null) {
for (int i = 0; i < propertyNames.length; i++) {
Object initializedObj = Reflections.getGetterMethod(attachedEntity.getClass(), propertyNames[i]).invoke(attachedEntity);
getter.initialize(entity, propertyNames[i], initializedObj);
}
}
}
catch(Exception e) {
throw new RuntimeException("Unable to attach entity and init collection", e);
}
disconnectSession();
return attachedEntity;
}
/**
* attaches the entity to the HibernateSession.
* @return the attached entity
*/
public Object fetchEntity(Object entity, String[] fetch) {
Serializable id = (Serializable)Entity.forClass(entity.getClass()).getIdentifier(entity);
if (id == null)
return null;
return session.get(entity.getClass(), id);
}
/**
* disconnects from the Hibernate Session.
*/
protected void disconnectSession() {
session.disconnect();
}
}