RubyJobProxy

RubyJobProxy

/*
 * Copyright 2008-2011 Red Hat, Inc, and 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.torquebox.jobs;

import org.jboss.logging.Logger;
import org.jruby.Ruby;
import org.quartz.*;
import org.torquebox.core.component.ComponentResolver;
import org.torquebox.core.runtime.RubyRuntimePool;
import org.torquebox.jobs.component.JobComponent;

public class RubyJobProxy implements Job, StatefulJob, InterruptableJob {

    public RubyJobProxy(RubyRuntimePool runtimePool, ComponentResolver resolver) {
        this.runtimePool = runtimePool;
        this.resolver = resolver;
    }

    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
    	 Ruby ruby = null;
         try {
             ruby = this.runtimePool.borrowRuntime();
             JobComponent job = (JobComponent)resolver.resolve( ruby );
             job.run();
         } catch (Exception e) {
        	 throw new JobExecutionException( e );
         } finally {
        	 if (ruby != null) {
        		 this.runtimePool.returnRuntime( ruby );
        	 }
         }
    }
    @Override
    public void interrupt() throws UnableToInterruptJobException {
        log.info("Job Interruption");
    }

    private RubyRuntimePool runtimePool;
    private ComponentResolver resolver;

    @SuppressWarnings("unused")
    private static final Logger log = Logger.getLogger( "org.torquebox.jobs" );



}

ScheduledJob

/*
 * Copyright 2008-2011 Red Hat, Inc, and 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.torquebox.jobs;

import org.jboss.logging.Logger;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.torquebox.core.component.ComponentResolver;
import org.torquebox.core.runtime.RubyRuntimePool;

import java.text.ParseException;

public class ScheduledJob implements Service<ScheduledJob>, ScheduledJobMBean {
    
    //Omitting initial code

    public synchronized void start() throws ParseException, SchedulerException {
        this.jobDetail = new JobDetail();
        jobDetail.setGroup(this.group);
        jobDetail.setName(this.name);
        jobDetail.setDescription(this.description);
        jobDetail.setJobClass(RubyJobProxy.class);
        jobDetail.setRequestsRecovery(true);

        CronTrigger trigger = new CronTrigger(getTriggerName(), this.group, this.cronExpression);

        JobScheduler jobScheduler = this.jobSchedulerInjector.getValue();

        jobScheduler.addComponentResolver(this.name, this.componentResolverInjector.getValue());
        Scheduler scheduler = jobScheduler.getScheduler();
        scheduler.scheduleJob(jobDetail, trigger);
        log.warn("Job to interrupt: " + this.name + " group " + this.group);
        scheduler.interrupt(this.name, this.group);
    }
}