org.jbpm.instance.migration.HibernateTestSupport.java Source code

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Here is the source code for org.jbpm.instance.migration.HibernateTestSupport.java

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/*
 * *##% 
 * jBPM Instance Migrator
 * Copyright (C) null - 2010 JBoss Inc.
 *
 * This program 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 program 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 General Lesser Public License for more details.
 *
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * <http://www.gnu.org/licenses/lgpl-2.1.html>.
 * ##%*
 */
package org.jbpm.instance.migration;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.orm.hibernate3.SessionHolder;
import org.springframework.transaction.support.TransactionSynchronizationManager;

/**
 * A utility class to provide Hibernate support in unit tests.
 * @author Caleb Powell <caleb.powell@gmail.com> 
 * @author David Harcombe <david.harcombe@intelliware.ca> 
 */
public class HibernateTestSupport {
    private static XmlBeanFactory factory;

    private void setUpTransactionManager() {
        Session session = getSessionFactory().openSession();
        TransactionSynchronizationManager.bindResource(getSessionFactory(), new SessionHolder(session));
    }

    public void setUp() {
        if (factory == null) {
            factory = new XmlBeanFactory(
                    new ClassPathResource("/org/jbpm/instance/migration/mock-hibernate-spring.xml"));
        }
        setUpTransactionManager();
    }

    public void tearDown() throws Exception {
        SessionHolder holder = (SessionHolder) TransactionSynchronizationManager.getResource(getSessionFactory());
        Session session = holder.getSession();
        TransactionSynchronizationManager.unbindResource(getSessionFactory());
        session.close();
    }

    public SessionFactory getSessionFactory() {
        return (SessionFactory) getFactory().getBean(SessionFactory.class.getName());
    }

    public BeanFactory getFactory() {
        return factory;
    }

    public void runInTransaction(Runnable runnable) {
        Transaction transaction = getSessionFactory().getCurrentSession().beginTransaction();
        runnable.run();
        transaction.commit();
    }
}