public class TimerIntervalObserverFactory extends java.lang.Object implements ObserverFactory, MetaDefItem, java.io.Serializable
Constructor and Description |
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TimerIntervalObserverFactory() |
Modifier and Type | Method and Description |
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EventObserver |
makeObserver(PatternAgentInstanceContext context,
MatchedEventMap beginState,
ObserverEventEvaluator observerEventEvaluator,
EvalStateNodeNumber stateNodeId,
java.lang.Object observerState)
Make an observer instance.
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void |
setObserverParameters(java.util.List<ExprNode> parameters,
MatchedEventConvertor convertor)
Sets the observer object parameters.
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public void setObserverParameters(java.util.List<ExprNode> parameters, MatchedEventConvertor convertor) throws ObserverParameterException
ObserverFactory
setObserverParameters
in interface ObserverFactory
parameters
- is a list of parametersconvertor
- for converting partial pattern matches to event-per-stream for expressionsObserverParameterException
- thrown to indicate a parameter problempublic EventObserver makeObserver(PatternAgentInstanceContext context, MatchedEventMap beginState, ObserverEventEvaluator observerEventEvaluator, EvalStateNodeNumber stateNodeId, java.lang.Object observerState)
ObserverFactory
makeObserver
in interface ObserverFactory
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