/*
* 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.enterprise.internal.ejb;
import java.util.List;
import javax.ejb.FinderException;
import javax.ejb.RemoveException;
import org.jbpm.api.Execution;
import org.jbpm.api.JbpmException;
import org.jbpm.api.job.Timer;
import org.jbpm.internal.log.Log;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.job.TimerImpl;
import org.jbpm.pvm.internal.session.DbSession;
import org.jbpm.pvm.internal.session.TimerSession;
/**
* Timer session based on the EJB 2.1 timer service.
* @author Tom Baeyens
* @author Alejandro Guizar
*/
public class EjbTimerSession implements TimerSession {
// injected
private LocalTimerHome timerHome;
private static final Log log = Log.getLog(EjbTimerSession.class.getName());
public void schedule(Timer timer) {
log.debug("scheduling "+timer);
// flush timer to database
DbSession dbSession = Environment.getCurrent().get(DbSession.class);
dbSession.save(timer);
dbSession.flush();
// retrieve timer as entity bean, contact timer service
try {
LocalTimer timerBean = timerHome.findByPrimaryKey(((TimerImpl)timer).getDbid());
timerBean.schedule();
}
catch (FinderException e) {
throw new JbpmException("could not find bean for timer: " + timer);
}
}
public void cancel(Timer timer) {
try {
LocalTimer timerBean = timerHome.findByPrimaryKey(((TimerImpl)timer).getDbid());
log.debug("canceling " + timer);
/*
* EJB 2.1 section 22.4.4 If an entity bean is removed, the container must remove
* the timers for that bean
*/
timerBean.remove();
}
catch (FinderException e) {
log.error("could not find bean for timer " + timer, e);
}
catch (RemoveException e) {
log.error("could not remove bean for timer " + timer, e);
}
}
public List<Timer> findTimersByExecution(Execution execution) {
return null;
}
}