/*
* 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.web;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import org.jbpm.JbpmConfiguration;
import org.jbpm.job.executor.JobExecutor;
/**
* Starts the job executor on servlet context initialization and stops it on
* servlet context destruction.
* <h3>Configuration</h3>
* Servlet context init parameters.
* <table border="1">
* <tr>
* <th>Name</th>
* <th>Description</th>
* <th>Default value</th>
* </tr>
* <tr>
* <td>jbpm.configuration.resource</td>
* <td>name of the resource that defines the jBPM configuration</td>
* <td>jbpm.cfg.xml</td>
* </tr>
* </table>
* @author Alejandro Guizar
*/
public class JobExecutorLauncher implements ServletContextListener {
private JbpmConfiguration jbpmConfiguration;
public void contextInitialized(ServletContextEvent event) {
String jbpmCfgResource = event.getServletContext().getInitParameter("jbpm.configuration.resource");
jbpmConfiguration = JbpmConfiguration.getInstance(jbpmCfgResource);
JobExecutor jobExecutor = jbpmConfiguration.getJobExecutor();
if (jobExecutor != null)
jobExecutor.start();
}
public void contextDestroyed(ServletContextEvent event) {
JobExecutor jobExecutor = jbpmConfiguration.getJobExecutor();
if (jobExecutor != null)
jobExecutor.stop();
}
}