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java.lang.Objectnet.esper.pattern.observer.TimerAtObserver
public class TimerAtObserver
Observer implementation for indicating that a certain time arrived, similar to "crontab".
Constructor Summary | |
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TimerAtObserver(ScheduleSpec scheduleSpec,
PatternContext context,
MatchedEventMap beginState,
ObserverEventEvaluator observerEventEvaluator)
Ctor. |
Method Summary | |
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void |
scheduledTrigger(ExtensionServicesContext extensionServicesContext)
Callback that is invoked as indicated by a schedule added to the scheduling service. |
void |
startObserve()
Start observing. |
void |
stopObserve()
Stop observing. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public TimerAtObserver(ScheduleSpec scheduleSpec, PatternContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator)
scheduleSpec
- - specification containing the crontab schedulecontext
- - timer serive to usebeginState
- - start stateobserverEventEvaluator
- - receiver for eventsMethod Detail |
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public final void scheduledTrigger(ExtensionServicesContext extensionServicesContext)
ScheduleHandleCallback
scheduledTrigger
in interface ScheduleHandleCallback
extensionServicesContext
- is a marker interface for providing custom extension services
passed to the triggered classpublic void startObserve()
EventObserver
startObserve
in interface EventObserver
public void stopObserve()
EventObserver
stopObserve
in interface EventObserver
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