protected boolean triggerExists(Trigger checkTrigger) {
try {
Trigger trigger =
resourceScheduler.getTrigger(checkTrigger.getName(), checkTrigger.getGroup());
return (trigger != null);
} catch (SchedulerException e) {
log.error("Failed to check if the trigger exists", e);
}
return false;
}
protected boolean triggerChanged(Trigger checkTrigger) {
try {
Trigger trigger =
resourceScheduler.getTrigger(checkTrigger.getName(), checkTrigger.getGroup());
if (trigger != null && trigger instanceof CronTrigger) {
return !((CronTrigger) trigger)
.getCronExpression()
.equals(((CronTrigger) checkTrigger).getCronExpression());
}
} catch (SchedulerException e) {
log.error("Failed to check if the trigger has changed", e);
}
return false;
}
/**
* 从Scheduler 移除当前的Job,修改Trigger
*
* @param jobDetail
* @param time
* @throws SchedulerException
* @throws ParseException
*/
public static void modifyJobTime(JobDetail jobDetail, String time)
throws SchedulerException, ParseException {
Scheduler sched = sf.getScheduler();
Trigger trigger = sched.getTrigger(jobDetail.getName(), TRIGGER_GROUP_NAME);
if (trigger != null) {
CronTrigger ct = (CronTrigger) trigger;
// 移除当前进程的Job
sched.deleteJob(jobDetail.getName(), jobDetail.getGroup());
// 修改Trigger
ct.setCronExpression(time);
System.out.println("CronTrigger getName " + ct.getJobName());
// 重新调度jobDetail
sched.scheduleJob(jobDetail, ct);
}
}