Interrupt a Quartz's job using InterruptableJob

/* 
 * DemoInterruptableJob.java
 */

package com;

import java.util.Calendar;

import org.quartz.InterruptableJob;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.UnableToInterruptJobException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 * An implementation of an InterruptableJob
 * 


 * 
 * @author thanooj kalathuru
 */
public class DemoInterruptableJob implements InterruptableJob {

 // logging services
 private static Logger _log = LoggerFactory.getLogger(DemoInterruptableJob.class);

 // job name
 private String _jobName = "";

 private boolean isInterrupted = false;

 /**
  * 
  * Empty constructor for job initialization
  * 


  */
 public DemoInterruptableJob() {
 }

 /**
  * 
  * Called by the {@link org.quartz.Scheduler} when a
  * {@link org.quartz.Trigger} fires that is associated with the
  * Job.
  * 


  * 
  * @throws JobExecutionException
  *             if there is an exception while executing the job.
  */
 public void execute(JobExecutionContext context)
   throws JobExecutionException {
  int i = 0;
  try {
  _jobName = context.getJobDetail().getFullName();
  _log.info("---- " + _jobName + " executing at " + Calendar.getInstance().getTime());
   
   while (i < 1000000000L) {
    if(isInterrupted){
     _log.info("- inside isInterrupted -");
      throw new InterruptedException();
    }else{
    if(i%100000000L == 0)
    _log.info("---- i:: " + i);
    i++;
    }
   }
  _log.info("---- " + _jobName + " completing at " + Calendar.getInstance().getTime());
  }catch (InterruptedException e) {
   _log.info("- isInterrupted at --- i:: " + i);
   return;
  }
 }

 @Override
 public void interrupt() throws UnableToInterruptJobException {
  _log.info("--INTERUPTING-- ");
  isInterrupted  = true;
  
 }

}
***********************************
/* 
 * InterruptExample.java
 * 
 */

package com;

import java.util.Iterator;
import java.util.List;

import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;
import org.quartz.Scheduler;
import org.quartz.SchedulerFactory;
import org.quartz.SchedulerMetaData;
import org.quartz.impl.StdSchedulerFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class InterruptExample {
 private static Logger log = LoggerFactory.getLogger(InterruptExample.class);

 public void run() throws Exception {
  System.setProperty("org.quartz.scheduler.skipUpdateCheck", "true");
  SchedulerFactory sf = new StdSchedulerFactory();
  Scheduler scheduler = sf.getScheduler();
  JobDetail job = new JobDetail("interruptableJob1", "group1",
    DemoInterruptableJob.class);
  CronTrigger trigger = new CronTrigger();
  trigger.setName("dummyTriggerName");
  trigger.setCronExpression("0/7 * * * * ?");
  scheduler.scheduleJob(job, trigger);

  scheduler.start();
  try {
   @SuppressWarnings("unchecked")
   List<JobExecutionContext> jobsList = (List<JobExecutionContext>) scheduler
     .getCurrentlyExecutingJobs();
   Iterator<JobExecutionContext> jobsIterator = jobsList
     .listIterator();
   log.info("----------jobsList size: " + jobsList.size());
   while (jobsIterator.hasNext()) {
    JobExecutionContext context = (JobExecutionContext) jobsIterator
      .next();
    log.info("----------" + context.getJobDetail().getFullName());
   }
   Thread.sleep(3000L);
   log.info("----****--- Started interrupt Scheduler -----------------");
   scheduler.interrupt(job.getName(), job.getGroup());
   log.info("----****--- ended interrupt Scheduler -----------------");
  } catch (Exception e) {
   e.printStackTrace();
  }

  SchedulerMetaData metaData = scheduler.getMetaData();
  log.info("Executed " + metaData.getNumberOfJobsExecuted() + " jobs.");

 }

 public static void main(String[] args) throws Exception {

  InterruptExample example = new InterruptExample();
  example.run();
 }

}
******************************************
2013-05-23 17:05:06 INFO  SimpleThreadPool:270 - Job execution threads will use class loader of thread: main
2013-05-23 17:05:06 INFO  SchedulerSignalerImpl:60 - Initialized Scheduler Signaller of type: class org.quartz.core.SchedulerSignalerImpl
2013-05-23 17:05:06 INFO  QuartzScheduler:222 - Quartz Scheduler v.1.8.5 created.
2013-05-23 17:05:06 INFO  RAMJobStore:139 - RAMJobStore initialized.
2013-05-23 17:05:06 INFO  QuartzScheduler:244 - Scheduler meta-data: Quartz Scheduler (v1.8.5) 'DefaultQuartzScheduler' with instanceId 'NON_CLUSTERED'
  Scheduler class: 'org.quartz.core.QuartzScheduler' - running locally.
  NOT STARTED.
  Currently in standby mode.
  Number of jobs executed: 0
  Using thread pool 'org.quartz.simpl.SimpleThreadPool' - with 10 threads.
  Using job-store 'org.quartz.simpl.RAMJobStore' - which does not support persistence. and is not clustered.

2013-05-23 17:05:06 INFO  StdSchedulerFactory:1280 - Quartz scheduler 'DefaultQuartzScheduler' initialized from default resource file in Quartz package: 'quartz.properties'
2013-05-23 17:05:06 INFO  StdSchedulerFactory:1284 - Quartz scheduler version: 1.8.5
2013-05-23 17:05:06 INFO  QuartzScheduler:500 - Scheduler DefaultQuartzScheduler_$_NON_CLUSTERED started.
2013-05-23 17:05:06 INFO  InterruptExample:42 - ----------jobsList size: 0
2013-05-23 17:05:07 DEBUG SimpleJobFactory:50 - Producing instance of Job 'group1.interruptableJob1', class=com.DemoInterruptableJob
2013-05-23 17:05:07 DEBUG JobRunShell:215 - Calling execute on job group1.interruptableJob1
2013-05-23 17:05:07 INFO  DemoInterruptableJob:56 - ---- group1.interruptableJob1 executing at Thu May 23 17:05:07 IST 2013
2013-05-23 17:05:07 INFO  DemoInterruptableJob:64 - ---- i:: 0
2013-05-23 17:05:07 INFO  DemoInterruptableJob:64 - ---- i:: 100000000
2013-05-23 17:05:07 INFO  DemoInterruptableJob:64 - ---- i:: 200000000
2013-05-23 17:05:07 INFO  DemoInterruptableJob:64 - ---- i:: 300000000
2013-05-23 17:05:08 INFO  DemoInterruptableJob:64 - ---- i:: 400000000
2013-05-23 17:05:08 INFO  DemoInterruptableJob:64 - ---- i:: 500000000
2013-05-23 17:05:08 INFO  DemoInterruptableJob:64 - ---- i:: 600000000
2013-05-23 17:05:08 INFO  DemoInterruptableJob:64 - ---- i:: 700000000
2013-05-23 17:05:09 INFO  InterruptExample:49 - ----****--- Started interrupt Scheduler -----------------
2013-05-23 17:05:09 INFO  DemoInterruptableJob:77 - --INTERUPTING-- 
2013-05-23 17:05:09 INFO  InterruptExample:51 - ----****--- ended interrupt Scheduler -----------------
2013-05-23 17:05:09 INFO  DemoInterruptableJob:60 - - inside isInterrupted -
2013-05-23 17:05:09 INFO  InterruptExample:57 - Executed 1 jobs.
2013-05-23 17:05:09 INFO  DemoInterruptableJob:70 - - isInterrupted at --- i:: 781135745
2013-05-23 17:05:14 DEBUG SimpleJobFactory:50 - Producing instance of Job 'group1.interruptableJob1', class=com.DemoInterruptableJob
2013-05-23 17:05:14 DEBUG JobRunShell:215 - Calling execute on job group1.interruptableJob1
2013-05-23 17:05:14 INFO  DemoInterruptableJob:56 - ---- group1.interruptableJob1 executing at Thu May 23 17:05:14 IST 2013
2013-05-23 17:05:14 INFO  DemoInterruptableJob:64 - ---- i:: 0
2013-05-23 17:05:14 INFO  DemoInterruptableJob:64 - ---- i:: 100000000
2013-05-23 17:05:14 INFO  DemoInterruptableJob:64 - ---- i:: 200000000
2013-05-23 17:05:14 INFO  DemoInterruptableJob:64 - ---- i:: 300000000
2013-05-23 17:05:15 INFO  DemoInterruptableJob:64 - ---- i:: 400000000
2013-05-23 17:05:15 INFO  DemoInterruptableJob:64 - ---- i:: 500000000
2013-05-23 17:05:15 INFO  DemoInterruptableJob:64 - ---- i:: 600000000
2013-05-23 17:05:16 INFO  DemoInterruptableJob:64 - ---- i:: 700000000
2013-05-23 17:05:16 INFO  DemoInterruptableJob:64 - ---- i:: 800000000
2013-05-23 17:05:16 INFO  DemoInterruptableJob:64 - ---- i:: 900000000
2013-05-23 17:05:16 INFO  DemoInterruptableJob:68 - ---- group1.interruptableJob1 completing at Thu May 23 17:05:16 IST 2013