Package net.esper.pattern.observer

Pattern observer classes the observe timer events

See:
          Description

Interface Summary
EventObserver Observers observe and indicate other external events such as timing events.
ObserverEventEvaluator For use by EventObserver instances to place an event for processing/evaluation.
ObserverFactory Interface for factories for making observer instances.
 

Class Summary
EventObserverSupport Abstract class for applications to extend to implement a pattern observer.
ObserverFactorySupport Abstract class for applications to extend to implement a pattern observer factory.
TimerAtObserver Observer implementation for indicating that a certain time arrived, similar to "crontab".
TimerAtObserverFactory Factory for 'crontab' observers that indicate truth when a time point was reached.
TimerIntervalObserver Observer that will wait a certain interval before indicating true (raising an event).
TimerIntervalObserverFactory Factory for making observer instances.
 

Enum Summary
ObserverEnum Enum for all build-in observers.
 

Exception Summary
ObserverParameterException Thrown to indicate a validation error in guard parameterization.
 

Package net.esper.pattern.observer Description

Pattern observer classes the observe timer events