Package com.espertech.esper.common.internal.epl.expression.prev

Interface ExprPreviousEvalStrategy

All Known Implementing Classes:

ExprPreviousEvalStrategyCount, ExprPreviousEvalStrategyPrev, ExprPreviousEvalStrategyWindow

public interface ExprPreviousEvalStrategy

Method Summary

Modifier and Type	Method	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 Details

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)