Examples of org.quartz.CronTrigger

org.quartz.CronTrigger

A concrete {@link Trigger} that is used to fire a {@link org.quartz.JobDetail} at given moments in time, defined with Unix 'cron-like' definitions.

For those unfamiliar with "cron", this means being able to create a firing schedule such as: "At 8:00am every Monday through Friday" or "At 1:30am every last Friday of the month".

The format of a "Cron-Expression" string is documented on the {@link org.quartz.CronExpression} class.

Here are some full examples:

Expression		Meaning
`"0 0 12 * * ?"`		`Fire at 12pm (noon) every day`
`"0 15 10 ? * *"`		`Fire at 10:15am every day`
`"0 15 10 * * ?"`		`Fire at 10:15am every day`
`"0 15 10 * * ? *"`		`Fire at 10:15am every day`
`"0 15 10 * * ? 2005"`		`Fire at 10:15am every day during the year 2005`
`"0 * 14 * * ?"`		`Fire every minute starting at 2pm and ending at 2:59pm, every day`
`"0 0/5 14 * * ?"`		`Fire every 5 minutes starting at 2pm and ending at 2:55pm, every day`
`"0 0/5 14,18 * * ?"`		`Fire every 5 minutes starting at 2pm and ending at 2:55pm, AND fire every 5 minutes starting at 6pm and ending at 6:55pm, every day`
`"0 0-5 14 * * ?"`		`Fire every minute starting at 2pm and ending at 2:05pm, every day`
`"0 10,44 14 ? 3 WED"`		`Fire at 2:10pm and at 2:44pm every Wednesday in the month of March.`
`"0 15 10 ? * MON-FRI"`		`Fire at 10:15am every Monday, Tuesday, Wednesday, Thursday and Friday`
`"0 15 10 15 * ?"`		`Fire at 10:15am on the 15th day of every month`
`"0 15 10 L * ?"`		`Fire at 10:15am on the last day of every month`
`"0 15 10 ? * 6L"`		`Fire at 10:15am on the last Friday of every month`
`"0 15 10 ? * 6L"`		`Fire at 10:15am on the last Friday of every month`
`"0 15 10 ? * 6L 2002-2005"`		`Fire at 10:15am on every last friday of every month during the years 2002, 2003, 2004 and 2005`
`"0 15 10 ? * 6#3"`		`Fire at 10:15am on the third Friday of every month`

Pay attention to the effects of '?' and '*' in the day-of-week and day-of-month fields!

NOTES:

Support for specifying both a day-of-week and a day-of-month value is not complete (you'll need to use the '?' character in on of these fields).
Be careful when setting fire times between mid-night and 1:00 AM - "daylight savings" can cause a skip or a repeat depending on whether the time moves back or jumps forward.

@see Trigger @see SimpleTrigger @see TriggerUtils @author Sharada Jambula, James House @author Contributions from Mads Henderson


        jobDetail.setJobDataMap( dataMap );


        jobDetail.setDescription( schedule.getDescription() );


        CronTrigger trigger = new CronTrigger();


        trigger.setName( schedule.getName() );


        trigger.setGroup( org.quartz.Scheduler.DEFAULT_GROUP );


        Date startTime = new Date( System.currentTimeMillis() + delay * 1000 );


        trigger.setStartTime( startTime );


        trigger.setNextFireTime( startTime );


        try
        {
            trigger.setCronExpression( schedule.getCronExpression() );
        }
        catch ( ParseException e )
        {
            throw new SchedulesActivationException( "Error parsing cron expression.", e );
        }


        try
        {
            scheduler.scheduleJob( jobDetail, trigger );


            log.info( trigger.getName() + ": next fire time ->" + trigger.getNextFireTime() );
        }
        catch ( SchedulerException e )
        {
            throw new SchedulesActivationException( "Cannot schedule job ->" + jobClass.getName(), e );
        }

View Full Code Here

        Map map = jobDetail.getJobDataMap();
        map.put("message", "This is a message from Quartz");


        String cronExpression = "3/5 * 14,15,16,17 * * ?";


        Trigger trigger = new CronTrigger("cronTrigger",
                Scheduler.DEFAULT_GROUP, cronExpression);


        scheduler.scheduleJob(jobDetail, trigger);
    }

View Full Code Here

        Map map = jobDetail.getJobDataMap();
        map.put("message", "This is a message from Quartz");


        String cronExpression = "3/5 * 14,15,16,17 * * ?";


        Trigger trigger = new CronTrigger("cronTrigger",
                Scheduler.DEFAULT_GROUP, cronExpression);
        
        trigger.setCalendarName("xmasCalendar");


        scheduler.scheduleJob(jobDetail, trigger);
    }

View Full Code Here

     * @throws CascadingException thrown in case of errors
     */
    private void addJob(final String name, final JobDataMap jobDataMap, final String cronSpec,
                        final boolean canRunConcurrently, final Parameters params, final Map objects)
    throws CascadingException {
        final CronTrigger cronJobEntry = new CronTrigger(name, DEFAULT_QUARTZ_JOB_GROUP);


        try {
            cronJobEntry.setCronExpression(cronSpec);
        } catch (final ParseException pe) {
            throw new CascadingException(pe.getMessage(), pe);
        }


        addJob(name, jobDataMap, cronJobEntry, canRunConcurrently, params, objects);

View Full Code Here

                       Object job,
                       Map<String, Serializable>    config,
                       String schedulingExpression,
                       boolean canRunConcurrently)
    throws Exception {
        final CronTrigger cronJobEntry = new CronTrigger(name, DEFAULT_QUARTZ_JOB_GROUP);


        try {
            cronJobEntry.setCronExpression(schedulingExpression);
        } catch (final ParseException pe) {
            throw new Exception(pe.getMessage(), pe);
        }
        this.scheduleJob(name, job, config, cronJobEntry, canRunConcurrently);
    }

View Full Code Here

    }


    protected CronTrigger createCronTrigger(String path) throws ParseException {
        // replace + back to space so it's a cron expression
        path = path.replaceAll("\\+", " ");
        CronTrigger cron = new CronTrigger();
        cron.setCronExpression(path);
        return cron;
    }

View Full Code Here

        }
    }


    private boolean hasTriggerChanged(Trigger oldTrigger, Trigger newTrigger) {
        if (oldTrigger instanceof CronTrigger && oldTrigger.equals(newTrigger)) {
            CronTrigger oldCron = (CronTrigger) oldTrigger;
            CronTrigger newCron = (CronTrigger) newTrigger;
            return !oldCron.getCronExpression().equals(newCron.getCronExpression());
        } else {
            return !newTrigger.equals(oldTrigger);
        }
    }

View Full Code Here

  {
    if (times instanceof ScheduleOn)
    {
      ScheduleOn on = (ScheduleOn) times;


      return new CronTrigger(jobName, groupName, jobName, groupName, on.createCronExpression());
    }
    else if (times instanceof ScheduleRepeated)
    {
      ScheduleRepeated repeated = (ScheduleRepeated) times;

View Full Code Here






    private Trigger createCronTrigger(int triggerCount, String text, Date startingDate, Date endingDate) throws ConfigurationException {
        Trigger trigger;
        CronTrigger cronTrigger = new CronTrigger(getName() + triggerCount, QUARTZ_JOBGROUP_WGASCHEDULER);
        cronTrigger.setMisfireInstruction(CronTrigger.MISFIRE_INSTRUCTION_DO_NOTHING);
        try {
            cronTrigger.setCronExpression(text);
        }
        catch (ParseException e) {
            throw new ConfigurationException("Error parsing cron pattern for job: " + e.getClass().getName() + " - " + e.getMessage());
        }
        
        if (startingDate != null) {
            cronTrigger.setStartTime(startingDate);
        }
        if (endingDate != null) {
            cronTrigger.setEndTime(endingDate);
        }
        trigger = cronTrigger;
        return trigger;
    }

View Full Code Here

      // no integrity errors so far    
      if (!integrityCheckOnly) {
        // validate cron expression
        if (getType().equals(TYPE_CRON)) {
          try {
            new CronTrigger().setCronExpression(getData());
          } catch (ParseException e) {
            errors.add(new ValidationError("Invalid cron expression '" + getData() + "' (" + e.getMessage() + ").", new String[] {"data"}, this));
          }
        }
      }

View Full Code Here

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