/*
* Copyright 2006-2007, Unitils.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.unitils.hibernate.util;
import org.hibernate.HibernateException;
import org.hibernate.classic.Session;
import org.hibernate.context.CurrentSessionContext;
import org.hibernate.engine.SessionFactoryImplementor;
/**
* Simple implementation of <code>CurrentSessionContext</code> that manages a single open session.
* If the session was closed, a new one is opened.
*
* @author Filip Neven
* @author Tim Ducheyne
*/
public class SimpleCurrentSessionContext implements CurrentSessionContext {
/* The session factory */
protected SessionFactoryImplementor factory;
/* The current session, if there is one */
private Session currentSession;
/**
* Creates a context.
*
* @param factory The session factory to use for opening new sessions, not null
*/
public SimpleCurrentSessionContext(SessionFactoryImplementor factory) {
this.factory = factory;
}
/**
* Gets the current session. If there is no current session or the current session is no
* longer open, a new one is opened.
*
* @return The current session, not null
*/
public Session currentSession() throws HibernateException {
if (currentSession == null || !currentSession.isOpen()) {
currentSession = factory.openSession();
}
return currentSession;
}
}
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