public static  void main(String[] args) throws Exception 
{
        // Configure Log4J
        //DOMConfigurator.configure(System.getProperty("log4jConfigFile", "log4j.xml;"));
        try {
            schedTest(new org.quartz.impl.StdSchedulerFactory());
        } catch (Exception e) {
            e.printStackTrace();
        }
}

 public static  void schedTest(SchedulerFactory sf) throws Exception 
{
        Log lg = LogFactory.getLog(SchedTest.class);
        lg.info("------- Initializing -------------------");
        Scheduler sched = sf.getScheduler();
        lg.info("------- Initializing 2 -------------------");
        // remove job/trigger entries that may be lingering in a JDBCJobStore
        // from
        // previous run of this example... (obviously this doesn't matter for
        // RAMJobStore -- but is necessary for JDBCJobStore because this
        // example
        // program is 'dumb' - it blindly inserts the same jobs every time it
        // executes - even though they may still be in the JobStore)
        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 -----------");
        lg.info("------- Scheduling Jobs -----------");
        // jobs can be scheduled before start() has been called
        long ts = TriggerUtils.getNextGivenSecondDate(null, 15).getTime(); // get
                                                                           // a
                                                                           // 'nice
                                                                           // round'
                                                                           // time
                                                                           // a
                                                                           // few
                                                                           // seconds
                                                                           // in
                                                                           // the
                                                                           // future...
        JobDetail job = new JobDetail("job1", "group1", DumbJob.class);
        SimpleTrigger trigger = new SimpleTrigger("trigg1", "group1", new Date(
                ts));
        Date ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        job = new JobDetail("job2", "group1", DumbJob.class);
        trigger = new SimpleTrigger("trigg2", "group1", "job2", "group1",
                new Date(ts), null, 0, 0);
        ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        job = new JobDetail("job3", "group1", DumbJob.class);
        trigger = new SimpleTrigger("trigg3", "group1", "job3", "group1",
                new Date(ts), null, 10, 10000l);
        ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        // schedule a second trigger for the same job...
        trigger = new SimpleTrigger("trigg3", "group2", "job3", "group1",
                new Date(ts), null, 2, 7000l);
        ft = sched.scheduleJob(trigger);
        lg.info(job.getFullName() + " will [also] run at: " + ft
                + " & repeat: " + trigger.getRepeatCount() + "/"
                + trigger.getRepeatInterval());
        job = new JobDetail("job4", "group1", DumbJob.class);
        trigger = new SimpleTrigger("trigg4", "group1", "job4", "group1",
                new Date(ts), null, 5, 20000l);
        ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        job = new JobDetail("job5", "group1", DumbJob.class);
        trigger = new SimpleTrigger("trigg5", "group1", "job5", "group1",
                new Date(ts + 30000l), null, 0, 0);
        ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        job = new JobDetail("job6", "group1", DumbJob.class);
        trigger = new SimpleTrigger("trigg6", "group1", "job6", "group1",
                new Date(ts), null, SimpleTrigger.REPEAT_INDEFINITELY, 5000l);
        ft = sched.scheduleJob(job, trigger);
        lg.info(job.getFullName() + " will run at: " + ft + " & repeat: "
                + trigger.getRepeatCount() + "/" + trigger.getRepeatInterval());
        // CronTrigger example
        job = new JobDetail("job10", "group10", DumbJob.class);
        CronTrigger cTrigger = new CronTrigger("trigg10", "group10", "job10",
                "group10", "0/15 * * * * ?");
        ft = sched.scheduleJob(job, cTrigger);
        lg.info(job.getFullName() + " will run at: " + ft
                + " & repeat based on expression: "
                + cTrigger.getCronExpression());
        lg.info("------- Starting Scheduler ----------------");
        // jobs don't start firing until start() has been called...
        sched.start();
        lg.info("------- Started Scheduler -----------------");
        // jobs can also be scheduled after start() has been called
        job = new JobDetail("job11", "group10", DumbJob.class);
        cTrigger = new CronTrigger("trigg11", "group10", "job11", "group10",
                "0/2 * * * * ?");
        ft = sched.scheduleJob(job, cTrigger);
        lg.info(job.getFullName() + " will run at: " + ft
                + " & repeat based on expression: "
                + cTrigger.getCronExpression());
        // jobs can be fired directly... (rather than waiting for a trigger)
        job = new JobDetail("job20", "group20", DumbJob.class);
        job.setDurability(true);
        sched.addJob(job, true);
        lg.info("'Manually' triggering job20...");
        sched.triggerJob("job20", "group20");
        lg.info("------- Waiting... -----------------------");
        try {
            Thread.sleep(30L * 1000L); // wait 30 seconds to show jobs
                                        // executing...
        } catch (Exception e) {
        }
        // jobs can be re-scheduled...
        cTrigger = new CronTrigger("trigg11", "group10", "job11", "group10",
        "0/1 * * * * ?");
        ft = sched.rescheduleJob("trigg11", "group10", cTrigger);
        lg.info(job.getFullName() + " has been re-scheduled to run at: " + ft
                + " & repeat based on expression: "
                + cTrigger.getCronExpression());
        try {
            Thread.sleep(300L * 1000L); // wait five minutes to show jobs
            // executing...
        } catch (Exception e) {
        }
        lg.info("------- Shutting Down ---------------------");
        sched.shutdown(true);
        lg.info("------- Shutdown Complete -----------------");
        SchedulerMetaData metaData = sched.getMetaData();
        lg.info("Executed " + metaData.numJobsExecuted() + " jobs.");
}