/**
* EasyBeans
* Copyright (C) 2007 Bull S.A.S.
* Contact: easybeans@ow2.org
*
* This library 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 any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* --------------------------------------------------------------------------
* $Id: QuartzComponent.java 5369 2010-02-24 14:58:19Z benoitf $
* --------------------------------------------------------------------------
*/
package org.ow2.easybeans.component.quartz;
import java.util.List;
import java.util.Properties;
import javax.ejb.TimerService;
import org.ow2.easybeans.api.Factory;
import org.ow2.easybeans.component.api.EZBComponentException;
import org.ow2.easybeans.component.itf.TimerComponent;
import org.ow2.easybeans.component.util.Property;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.impl.StdSchedulerFactory;
/**
* This component starts the Quartz framework and configure it.
* It is also providing the Scheduler that EJB timer will use for their use.
* @author Florent Benoit
*
*/
public class QuartzComponent implements TimerComponent {
/**
* Quartz scheduler shared by all Timer services.
*/
private Scheduler scheduler = null;
/**
* Properties for the scheduler. These properties should have been set before the init of the scheduler.
*/
private List<Property> quartzProperties= null;
/**
* Quartz scheduler Factory.
*/
private SchedulerFactory schedulerFactory = null;
/**
* Init method.<br/>
* This method is called before the start method.
* @throws EZBComponentException if the initialization has failed.
*/
public void init() throws EZBComponentException {
// Get properties
Properties schedulerProperties = new Properties();
if (quartzProperties != null) {
for (Property property : quartzProperties) {
schedulerProperties.put(property.getName(), property.getValue());
}
}
// Initialize the Quartz scheduler Factory
schedulerFactory = null;
try {
schedulerFactory = new StdSchedulerFactory(schedulerProperties);
} catch (SchedulerException e) {
throw new EZBComponentException("Cannot initialize the Scheduler factory", e);
}
}
/**
* Start method.<br/>
* This method is called after the init method.
* @throws EZBComponentException if the start has failed.
*/
public void start() throws EZBComponentException {
// Build a Scheduler
try {
this.scheduler = schedulerFactory.getScheduler();
} catch (SchedulerException e) {
throw new EZBComponentException("Cannot get a scheduler from the factory", e);
}
// Start the scheduler
try {
scheduler.start();
} catch (SchedulerException e) {
throw new EZBComponentException("Cannot start the scheduler", e);
}
}
/**
* Stop method.<br/>
* This method is called when component needs to be stopped.
* @throws EZBComponentException if the stop is failing.
*/
public void stop() throws EZBComponentException {
// Stop the scheduler
try {
scheduler.shutdown();
} catch (SchedulerException e) {
throw new EZBComponentException("Cannot stop the scheduler", e);
}
}
/**
* Gets an EJB timer service through this component.
* @param factory an EasyBeans factory providing timeout notification.
* @return an EJB timer service
*/
public TimerService getTimerService(final Factory factory) {
return new QuartzTimerService(factory, scheduler);
}
/**
* Gets the list of properties.
* @return the list of properties.
*/
public List<Property> getProperties() {
return this.quartzProperties;
}
/**
* Set the list of properties.
* @param quartzProperties the list of properties.
*/
public void setProperties(final List<Property> quartzProperties) {
this.quartzProperties = quartzProperties;
}
/**
* Gets the Quartz scheduler.
* @return the Quartz scheduler.
*/
public Scheduler getScheduler() {
return scheduler;
}
}