/*
* 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.Date;
import org.jbpm.internal.log.Log;
import org.jbpm.pvm.internal.cmd.Command;
import org.jbpm.pvm.internal.env.Environment;
import org.jbpm.pvm.internal.job.TimerImpl;
import org.jbpm.pvm.internal.session.DbSession;
/**
* @author Tom Baeyens
* @author Alejandro Guizar
*/
public class ExecuteTimerCmd implements Command<Date> {
private final long timerDbid;
private static final long serialVersionUID = 1L;
private static final Log log = Log.getLog(ExecuteTimerCmd.class.getName());
public ExecuteTimerCmd(long timerDbid) {
this.timerDbid = timerDbid;
}
public Date execute(Environment environment) throws Exception {
DbSession dbSession = environment.get(DbSession.class);
TimerImpl timerImpl = dbSession.get(TimerImpl.class, timerDbid);
if (timerImpl == null) {
log.debug("timer not found: " + timerDbid);
return null; // i.e. delete this timer
}
return timerImpl.execute(environment) ? null : timerImpl.getDueDate();
}
public String toString() {
return ExecuteTimerCmd.class.getSimpleName() + '(' + timerDbid + ')';
}
}