/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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 2.1 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, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.pvm.internal.wire.descriptor;
import java.sql.Connection;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.impl.SessionImpl;
import org.jbpm.internal.log.Log;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.tx.HibernateSessionResource;
import org.jbpm.pvm.internal.tx.StandardTransaction;
import org.jbpm.pvm.internal.wire.WireContext;
import org.jbpm.pvm.internal.wire.WireDefinition;
import org.jbpm.pvm.internal.wire.WireException;
/**
* @author Tom Baeyens
*/
public class HibernateSessionDescriptor extends AbstractDescriptor {
private static final long serialVersionUID = 1L;
private static final Log log = Log.getLog(HibernateSessionDescriptor.class.getName());
protected String factoryName;
protected boolean useCurrent = false;
protected boolean tx = true;
protected boolean close = true;
protected String standardTransactionName;
protected String connectionName;
public Object construct(WireContext wireContext) {
Environment environment = Environment.getCurrent();
if (environment==null) {
throw new WireException("no environment");
}
// get the hibernate-session-factory
SessionFactory sessionFactory = null;
if (factoryName!=null) {
sessionFactory = (SessionFactory) wireContext.get(factoryName);
} else {
sessionFactory = environment.get(SessionFactory.class);
}
if (sessionFactory==null) {
throw new WireException("couldn't find hibernate-session-factory "+(factoryName!=null ? "'"+factoryName+"'" : "by type ")+"to open a hibernate-session");
}
// open the hibernate-session
Session session = null;
if (useCurrent) {
if (log.isTraceEnabled()) log.trace("getting current hibernate session");
session = sessionFactory.getCurrentSession();
} else if (connectionName!=null) {
Connection connection = (Connection) wireContext.get(connectionName);
if (log.isTraceEnabled()) log.trace("creating hibernate session with connection "+connection);
session = sessionFactory.openSession(connection);
} else {
if (log.isTraceEnabled()) log.trace("creating hibernate session");
session = sessionFactory.openSession();
}
StandardTransaction standardTransaction = environment.get(StandardTransaction.class);
if (standardTransaction!=null) {
HibernateSessionResource hibernateSessionResource = new HibernateSessionResource(session);
standardTransaction.enlistResource(hibernateSessionResource);
}
return session;
}
public Class<?> getType(WireDefinition wireDefinition) {
return SessionImpl.class;
}
public void setFactoryName(String factoryName) {
this.factoryName = factoryName;
}
public void setTx(boolean tx) {
this.tx = tx;
}
public void setStandardTransactionName(String standardTransactionName) {
this.standardTransactionName = standardTransactionName;
}
public void setConnectionName(String connectionName) {
this.connectionName = connectionName;
}
public void setUseCurrent(boolean useCurrent) {
this.useCurrent = useCurrent;
}
public void setClose(boolean close) {
this.close = close;
}
}