public static  void clusterTest(SchedulerFactory sf,
    boolean clearJobs,
    boolean scheduleJobs) throws Exception 
{
        Log lg = LogFactory.getLog(ClusterTest.class);
        lg.info("------- Initializing -------------------");
        Scheduler sched = sf.getScheduler();
        if (clearJobs) {
            lg.warn("      *** Deleting existing jobs/triggers ***");
            String[] groups = sched.getTriggerGroupNames();
            for (int i = 0; i <  groups.length; i++) {
                String[] names = sched.getTriggerNames(groups[i]);
                for (int j = 0; j <  names.length; j++)
                    sched.unscheduleJob(names[j], groups[i]);
            }
            groups = sched.getJobGroupNames();
            for (int i = 0; i <  groups.length; i++) {
                String[] names = sched.getJobNames(groups[i]);
                for (int j = 0; j <  names.length; j++)
                    sched.deleteJob(names[j], groups[i]);
            }
        }
        lg.info("------- Initialization Complete -----------");
        if (scheduleJobs) {
            lg.info("------- Scheduling Jobs -----------");
            String schedId = sched.getSchedulerInstanceId();
            int count = 1;
            JobDetail job = new JobDetail("job_" + count, schedId,
                    DumbRecoveryJob.class);
            // ask scheduler to re-execute this job if it was in progress when
            // the scheduler went down...
            job.setRequestsRecovery(true);
            SimpleTrigger trigger = new SimpleTrigger("trig_" + count, schedId,
                    20, 5000L);
            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));
            lg.info(job.getFullName() + " will run at: "
                    + trigger.getNextFireTime() + " & repeat: "
                    + trigger.getRepeatCount() + "/"
                    + trigger.getRepeatInterval());
            sched.scheduleJob(job, trigger);
            count++;
            job = new JobDetail("job_" + count, schedId, DumbRecoveryJob.class);
            // ask scheduler to re-execute this job if it was in progress when
            // the scheduler went down...
            job.setRequestsRecovery(true);
            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 5000L);
            trigger.setStartTime(new Date(System.currentTimeMillis() + 2000L));
            lg.info(job.getFullName() + " will run at: "
                    + trigger.getNextFireTime() + " & repeat: "
                    + trigger.getRepeatCount() + "/"
                    + trigger.getRepeatInterval());
            sched.scheduleJob(job, trigger);
            count++;
            job = new JobDetail("job_" + count, schedId,
                    DumbRecoveryStatefulJob.class);
            // ask scheduler to re-execute this job if it was in progress when
            // the scheduler went down...
            job.setRequestsRecovery(true);
            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 3000L);
            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));
            lg.info(job.getFullName() + " will run at: "
                    + trigger.getNextFireTime() + " & repeat: "
                    + trigger.getRepeatCount() + "/"
                    + trigger.getRepeatInterval());
            sched.scheduleJob(job, trigger);
            count++;
            job = new JobDetail("job_" + count, schedId, DumbRecoveryJob.class);
            // ask scheduler to re-execute this job if it was in progress when
            // the scheduler went down...
            job.setRequestsRecovery(true);
            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 4000L);
            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));
            lg.info(job.getFullName() + " will run at: "
                    + trigger.getNextFireTime() + " & repeat: "
                    + trigger.getRepeatCount() + "/"
                    + trigger.getRepeatInterval());
            sched.scheduleJob(job, trigger);
            count++;
            job = new JobDetail("job_" + count, schedId, DumbRecoveryJob.class);
            // ask scheduler to re-execute this job if it was in progress when
            // the scheduler went down...
            job.setRequestsRecovery(true);
            trigger = new SimpleTrigger("trig_" + count, schedId, 20, 4500L);
            trigger.setStartTime(new Date(System.currentTimeMillis() + 1000L));
            lg.info(job.getFullName() + " will run at: "
                    + trigger.getNextFireTime() + " & repeat: "
                    + trigger.getRepeatCount() + "/"
                    + trigger.getRepeatInterval());
            sched.scheduleJob(job, trigger);
        }
        lg.info("------- Starting Scheduler ----------------");
        // jobs don't start firing until start() has been called...
        sched.start();
        lg.info("------- Started Scheduler -----------------");
        lg.info("------- Waiting... -----------------------");
        try {
            Thread.sleep(3600L * 1000L);
        } catch (Exception e) {
        }
        lg.info("------- Shutting Down ---------------------");
        sched.shutdown();
        lg.info("------- Shutdown Complete -----------------");
}

 public static  void main(String[] args) throws Exception 
{
        try {
            // Configure Log4J
            // org.apache.log4j.PropertyConfigurator.configure(System.getProperty("log4jConfigFile",
            // "log4j.properties"));
            boolean clearJobs = false;
            boolean scheduleJobs = true;
            for (int i = 0; i <  args.length; i++) {
                if (args[i].equals("clearJobs")) clearJobs = true;
                if (args[i].equals("dontScheduleJobs")) scheduleJobs = false;
            }
            clusterTest(new org.quartz.impl.StdSchedulerFactory(), clearJobs,
                    scheduleJobs);
        } catch (Exception e) {
            e.printStackTrace();
        }
}