SchedulerListeners
SchedulerListeners are much like TriggerListeners and JobListeners, except they receive notification of events within the Scheduler itself, not necessarily events related to a specific trigger or job.
Among other events, Scheduler-related events include:




SchedulerListeners are registered with the scheduler's ListenerManager. SchedulerListeners can be virtually any object that implements the org.quartz.SchedulerListener interface.
The org.quartz.SchedulerListener Interface
public interface SchedulerListener {
public void jobScheduled(Trigger trigger);
public void jobUnscheduled(String triggerName, String triggerGroup);
public void triggerFinalized(Trigger trigger);
public void triggersPaused(String triggerName, String triggerGroup);
public void triggersResumed(String triggerName, String triggerGroup);
public void jobsPaused(String jobName, String jobGroup);
public void jobsResumed(String jobName, String jobGroup);
public void schedulerError(String msg, SchedulerException cause);
public void schedulerStarted(); public void schedulerInStandbyMode();
public void schedulerShutdown();
public void schedulingDataCleared();
}
Adding a SchedulerListener
scheduler.getListenerManager().addSchedulerListener(mySchedListener);
Removing a SchedulerListener
scheduler.getListenerManager().removeSchedulerListener(mySchedListener);