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

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, ExprEvaluatorContext exprEvaluatorContext)
Collection<EventBean>	evaluateGetCollEvents(EventBean[] eventsPerStream, ExprEvaluatorContext context)
Collection	evaluateGetCollScalar(EventBean[] eventsPerStream, ExprEvaluatorContext context)
EventBean	evaluateGetEventBean(EventBean[] eventsPerStream, ExprEvaluatorContext context)

Method Detail

evaluate

Object evaluate(EventBean[] eventsPerStream,
                ExprEvaluatorContext exprEvaluatorContext)

evaluateGetCollEvents

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

evaluateGetCollScalar

Collection evaluateGetCollScalar(EventBean[] eventsPerStream,
                                 ExprEvaluatorContext context)

evaluateGetEventBean

EventBean evaluateGetEventBean(EventBean[] eventsPerStream,
                               ExprEvaluatorContext context)