org.quartz.spi.OperableTrigger#getMisfireInstruction ( )源码实例Demo

/**
 * Determine if trigger has misfired.
 */
private boolean applyMisfire(final ODatabaseDocumentTx db, final TriggerEntity triggerEntity) {
  log.trace("Checking for misfire: {}", triggerEntity);

  OperableTrigger trigger = triggerEntity.getValue();

  long misfireTime = getMisfireTime();

  Date nextFireTime = trigger.getNextFireTime();
  if (nextFireTime == null || nextFireTime.getTime() > misfireTime ||
      trigger.getMisfireInstruction() == Trigger.MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY) {
    return false;
  }

  // resolve trigger calender if there is one
  Calendar calendar = null;
  if (trigger.getCalendarName() != null) {
    calendar = findCalendar(db, trigger.getCalendarName());
  }

  signaler.notifyTriggerListenersMisfired(trigger);
  trigger.updateAfterMisfire(calendar);

  if (trigger.getNextFireTime() == null) {
    triggerEntity.setState(COMPLETE);
    triggerEntityAdapter.editEntity(db, triggerEntity);
    signaler.notifySchedulerListenersFinalized(trigger);
  }
  else if (nextFireTime.equals(trigger.getNextFireTime())) {
    return false;
  }

  return true;
}
 

private boolean canBeAcquired(final TriggerEntity entity,
                              final ODatabaseDocumentTx db,
                              final long timeWindowStart,
                              final long timeWindowEnd)
{
  OperableTrigger trigger = entity.getValue();

  // skip triggers which have no next fire time
  if (trigger.getNextFireTime() == null) {
    return false;
  }

  // skip triggers which match misfire fudge logic (if the trigger will no longer fire)
  // NOTE: applyMisfire(...) may modify trigger.getNextFireTime()
  if (applyMisfire(db, entity) && trigger.getNextFireTime() == null) {
    return false;
  }

  // skip triggers which fire outside of requested window
  if (trigger.getNextFireTime().getTime() > timeWindowEnd) {
    return false;
  }

  // skip triggers which fire outside of requested window
  if (trigger.getMisfireInstruction() != Trigger.MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY &&
      trigger.getNextFireTime().getTime() < timeWindowStart) {
    return false;
  }

  // check after misfire logic to avoid repeated log-spam
  if (isClustered() && isLimitedToMissingNode(entity)) {
    return false;
  }

  return true;
}
 

/**
 * Determine whether or not the given trigger has misfired.
 * If so, notify the {@link org.quartz.spi.SchedulerSignaler} and update the trigger.
 * @param trigger the trigger to check for misfire
 * @param jedis a thread-safe Redis connection
 * @return false if the trigger has misfired; true otherwise
 * @throws JobPersistenceException
 */
protected boolean applyMisfire(OperableTrigger trigger, T jedis) throws JobPersistenceException {
    long misfireTime = System.currentTimeMillis();
    if(misfireThreshold > 0){
        misfireTime -= misfireThreshold;
    }
    final Date nextFireTime = trigger.getNextFireTime();
    if(nextFireTime == null || nextFireTime.getTime() > misfireTime
            || trigger.getMisfireInstruction() == Trigger.MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY){
        return false;
    }

    Calendar calendar = null;
    if(trigger.getCalendarName() != null){
        calendar = retrieveCalendar(trigger.getCalendarName(), jedis);
    }
    signaler.notifyTriggerListenersMisfired((OperableTrigger) trigger.clone());

    trigger.updateAfterMisfire(calendar);

    storeTrigger(trigger, true, jedis);
    if(trigger.getNextFireTime() == null){
        setTriggerState(RedisTriggerState.COMPLETED, (double) System.currentTimeMillis(), redisSchema.triggerHashKey(trigger.getKey()), jedis);
        signaler.notifySchedulerListenersFinalized(trigger);
    }
    else if(nextFireTime.equals(trigger.getNextFireTime())){
        return false;
    }
    return true;
}
 

protected boolean applyMisfire(OperableTrigger trigger, Jedis jedis) throws JobPersistenceException {
   long misfireTime = System.currentTimeMillis();
   if (getMisfireThreshold() > 0)
       misfireTime -= getMisfireThreshold();       

   Date triggerNextFireTime = trigger.getNextFireTime();
   if (triggerNextFireTime == null || triggerNextFireTime.getTime() > misfireTime 
           || trigger.getMisfireInstruction() == Trigger.MISFIRE_INSTRUCTION_IGNORE_MISFIRE_POLICY) { 
       return false; 
   }

   Calendar cal = null;
   if (trigger.getCalendarName() != null)
       cal = retrieveCalendar(trigger.getCalendarName(), jedis);       

   signaler.notifyTriggerListenersMisfired((OperableTrigger)trigger.clone());

   trigger.updateAfterMisfire(cal);
   
   if (triggerNextFireTime.equals(trigger.getNextFireTime()))
	   return false;

   storeTrigger(trigger, true, jedis);
   if (trigger.getNextFireTime() == null) { // Trigger completed
	   setTriggerState(RedisTriggerState.COMPLETED, (double)System.currentTimeMillis(), createTriggerHashKey(trigger.getKey().getGroup(), trigger.getKey().getName()));
	   signaler.notifySchedulerListenersFinalized(trigger);
   }
   
   return true;
}