org.squashtest.tm.service.internal.hibernate.HibernateStatelessSessionHelper.java Source code

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Here is the source code for org.squashtest.tm.service.internal.hibernate.HibernateStatelessSessionHelper.java

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/**
 *     This file is part of the Squashtest platform.
 *     Copyright (C) 2010 - 2016 Henix, henix.fr
 *
 *     See the NOTICE file distributed with this work for additional
 *     information regarding copyright ownership.
 *
 *     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 3 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, see <http://www.gnu.org/licenses/>.
 */
package org.squashtest.tm.service.internal.hibernate;

import org.hibernate.SessionFactory;
import org.hibernate.StatelessSession;
import org.springframework.stereotype.Component;

import javax.inject.Inject;
import javax.persistence.EntityManagerFactory;

/**
 * Helper class used to factorise the unwrapping of HibernateSessionFactory and
 * the creation of a stateless session.
 * Created by jthebault on 11/04/2016.
 */
@Component
public class HibernateStatelessSessionHelper {

    @Inject
    EntityManagerFactory entityManagerFactory;

    public HibernateStatelessSessionHelper() {
        super();
    }

    /**
     * Create a new Hibernate stateless session, by unwrapping the HibernateSessionFactory from EntityManagerFactory and return the session.
     * Don't forget to close it after usage.
     * @return
      */
    public StatelessSession openStatelessSession() {
        SessionFactory sessionFactory = entityManagerFactory.unwrap(SessionFactory.class);
        return sessionFactory.openStatelessSession();
    }
}