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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany, and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Eike Stepper - initial API and implementation
* Martin Taal - specific hibernate functionality
**************************************************************************/
package org.eclipse.emf.cdo.server.internal.hibernate;
import org.eclipse.emf.cdo.internal.server.StoreAccessor;
import org.eclipse.emf.cdo.server.ISession;
import org.eclipse.emf.cdo.server.IView;
import org.eclipse.emf.cdo.server.hibernate.IHibernateStoreAccessor;
import org.eclipse.emf.cdo.server.internal.hibernate.bundle.OM;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
/**
* @author Eike Stepper
* @author Martin Taal
*/
public class HibernateStoreAccessor extends StoreAccessor implements IHibernateStoreAccessor
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG, HibernateStoreAccessor.class);
private Session hibernateSession;
protected HibernateStoreAccessor(HibernateStore store, ISession session)
{
super(store, session);
TRACER.trace("Created " + this.getClass().getName() + " for repository " + store.getRepository().getName());
}
protected HibernateStoreAccessor(HibernateStore store, IView view)
{
super(store, view);
TRACER.trace("Created " + this.getClass().getName() + " for repository " + store.getRepository().getName());
}
protected Session createHibernateSession()
{
TRACER.trace("Creating hibernate session and setting it in threadlocal CDOHibernateThreadContext");
final SessionFactory sessionFactory = getStore().getHibernateSessionFactory();
final Session session = sessionFactory.openSession();
CDOHibernateThreadContext.setSession(session);
return session;
}
@Override
protected void doRelease()
{
TRACER.trace("Releasing hibernate session");
CDOHibernateThreadContext.setSession(null);
clearHibernateSession();
}
/** Clears the current hibernate session and sets a new one in the thread context */
public void resetHibernateSession()
{
clearHibernateSession();
getHibernateSession();
}
@Override
public HibernateStore getStore()
{
return (HibernateStore)super.getStore();
}
public void clearHibernateSession()
{
TRACER.trace("Removing hibernate session");
if (hibernateSession != null && hibernateSession.isOpen())
{
TRACER.trace("Closing hibernate session");
hibernateSession.close();
}
hibernateSession = null;
}
public Session getHibernateSession()
{
if (hibernateSession == null)
{
hibernateSession = createHibernateSession();
}
return hibernateSession;
}
}
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