public interface ObserverFactory
Modifier and Type | Method and Description |
---|---|
EventObserver |
makeObserver(PatternAgentInstanceContext context,
MatchedEventMap beginState,
ObserverEventEvaluator observerEventEvaluator,
EvalStateNodeNumber stateNodeId,
java.lang.Object observerState)
Make an observer instance.
|
void |
setObserverParameters(java.util.List<ExprNode> observerParameters,
MatchedEventConvertor convertor)
Sets the observer object parameters.
|
void setObserverParameters(java.util.List<ExprNode> observerParameters, MatchedEventConvertor convertor) throws ObserverParameterException
observerParameters
- is a list of parametersconvertor
- for converting partial pattern matches to event-per-stream for expressionsObserverParameterException
- thrown to indicate a parameter problemEventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, java.lang.Object observerState)
context
- - services that may be required by observer implementationbeginState
- - start state for observerobserverEventEvaluator
- - receiver for events observedstateNodeId
- - optional id for the associated pattern state nodeobserverState
- - state node for observer