/*
* Databinder: a simple bridge from Wicket to Hibernate
* Copyright (C) 2006 Nathan Hamblen nathan@technically.us
*
* This library 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 library 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package net.databinder.jpa.hib;
import javax.persistence.EntityManager;
import net.databinder.jpa.JPAApplication;
import org.apache.wicket.WicketRuntimeException;
import org.hibernate.Session;
import org.hibernate.ejb.HibernateEntityManager;
/**
* Provides access to application-bound Hibernate session factories and current sessions.
* This class will work with a
* <a href="http://www.hibernate.org/hib_docs/v3/api/org/hibernate/context/ManagedSessionContext.html">ManagedSessionContext</a>
* and DataRequestCycle listener when present, but neither is required so long as a
* "current" session is available from the session factory supplied by the application.
* @see JPAApplication
* @author rhansen@kindleit.net
*/
public class Databinder {
public static HibernateEntityManager getEntityManager(final Object factoryKey) {
final EntityManager em = net.databinder.jpa.Databinder.getEntityManager(factoryKey.toString());
if (em instanceof HibernateEntityManager) {
return (HibernateEntityManager) em;
}
throw new WicketRuntimeException("You cannot use " + Databinder.class.getCanonicalName() + " without a hibernate entity manager");
}
public static Session getHibernateSession(final Object factoryKey) {
return getEntityManager(factoryKey.toString()).getSession();
}
}