net.esper.pattern.observer
Interface ObserverEventEvaluator

All Known Implementing Classes:
EvalObserverStateNode

public interface ObserverEventEvaluator

For use by EventObserver instances to place an event for processing/evaluation.


Method Summary
 void observerEvaluateFalse()
          Indicate that the observer turned permanently false.
 void observerEvaluateTrue(MatchedEventMap matchEvent)
          Indicate an event for evaluation (sub-expression the observer represents has turned true).
 

Method Detail

observerEvaluateTrue

void observerEvaluateTrue(MatchedEventMap matchEvent)
Indicate an event for evaluation (sub-expression the observer represents has turned true).

Parameters:
matchEvent - is the matched events so far

observerEvaluateFalse

void observerEvaluateFalse()
Indicate that the observer turned permanently false.


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