com.espertech.esper.epl.expression.prev
Interface ExprPreviousEvalStrategy

All Known Subinterfaces:

AIRegistryPrevious

All Known Implementing Classes:

AIRegistryPreviousMap, AIRegistryPreviousMultiPerm, AIRegistryPreviousSingle, ExprPreviousEvalStrategyCount, ExprPreviousEvalStrategyPrev, ExprPreviousEvalStrategyWindow

public interface ExprPreviousEvalStrategy

Method Summary

java.lang.Object	evaluate(EventBean[] eventsPerStream, ExprEvaluatorContext exprEvaluatorContext)
java.util.Collection<EventBean>	evaluateGetCollEvents(EventBean[] eventsPerStream, ExprEvaluatorContext context)
java.util.Collection	evaluateGetCollScalar(EventBean[] eventsPerStream, ExprEvaluatorContext context)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, ExprEvaluatorContext context)

Method Detail

evaluate

java.lang.Object evaluate(EventBean[] eventsPerStream,
                          ExprEvaluatorContext exprEvaluatorContext)

evaluateGetCollEvents

java.util.Collection<EventBean> evaluateGetCollEvents(EventBean[] eventsPerStream,
                                                      ExprEvaluatorContext context)

evaluateGetCollScalar

java.util.Collection evaluateGetCollScalar(EventBean[] eventsPerStream,
                                           ExprEvaluatorContext context)

evaluateGetEventBean

EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                               ExprEvaluatorContext context)