com.espertech.esper.common.internal.epl.pattern.observer

Interface ObserverFactory

All Known Implementing Classes:

TimerAtObserverFactory, TimerIntervalObserverFactory, TimerScheduleObserverFactory

public interface ObserverFactory

Interface for factories for making observer instances.

Method Summary

Modifier and Type	Method and Description
boolean	isNonRestarting()
EventObserver	makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, Object observerState, boolean isFilterChildNonQuitting) Make an observer instance.

Method Detail

makeObserver

EventObserver makeObserver(PatternAgentInstanceContext context,
                           MatchedEventMap beginState,
                           ObserverEventEvaluator observerEventEvaluator,
                           Object observerState,
                           boolean isFilterChildNonQuitting)

Make an observer instance.

Parameters:

context - - services that may be required by observer implementation

beginState - - start state for observer

observerEventEvaluator - - receiver for events observed

observerState - - state node for observer

isFilterChildNonQuitting - true for non-quitting filter

Returns:

observer instance

isNonRestarting

boolean isNonRestarting()