/*
* 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.jobexecutor;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.jbpm.api.Configuration;
import org.jbpm.api.JbpmException;
import org.jbpm.pvm.internal.env.EnvironmentFactory;
import org.jbpm.pvm.internal.processengine.ProcessEngineImpl;
/**
* starts the job executor on init and closes the
* jbpm configuration upon destroy. The closing of the
* jbpm configuration will also shut down the job executor
* thread pool.
* Config parameters
*
*
* | Name |
* Description |
* Type |
* Default value |
*
*
* | jbpm.configuration.resource |
* resource location of the jbpm.cfg.xml |
* String |
* jbpm.cfg.xml |
*
*
*
* Configuration example:
*
* <web-app>
* ...
* <servlet >
* <servlet-name>JobExecutorServlet</servlet-name>
* <servlet-class>org.jbpm.job.executor.JobExecutorServlet</servlet-class>
* <load-on-startup>1</load-on-startup>
* </servlet>
* <servlet-mapping >
* <servlet-name>JobExecutorServlet</servlet-name>
* <url-pattern>/jobexecutor</url-pattern>
* </servlet-mapping>
* ...
* </web-app>
*
*
*
* @author Tom Baeyens
*/
public class JobExecutorServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
JobExecutor jobExecutor;
public void init() throws ServletException {
String configurationResource = getInitParameter("jbpm.configuration.resource", "jbpm.cfg.xml");
EnvironmentFactory environmentFactory = (EnvironmentFactory) new Configuration().setResource(configurationResource).buildProcessEngine();
jobExecutor = environmentFactory.get(JobExecutor.class);
if (jobExecutor==null) {
throw new JbpmException("no job executor configured in resource "+configurationResource);
}
jobExecutor.start();
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("JBoss jBPM job Executor Servlet
");
/* TODO
Iterator iter = jobExecutor.getJobExecutorThreads().values().iterator();
while (iter.hasNext()) {
Thread thread = iter.next();
out.println(""+thread.getName()+"
");
out.println("isAlive:"+thread.isAlive());
}
*/
out.println("");
out.println("");
}
String getInitParameter(String name, String defaultValue) {
String value = getInitParameter(name);
if (value!=null) {
return value;
}
return defaultValue;
}
}