com.espertech.esper.epl.expression.subquery
Interface SubselectEvalStrategy

All Known Implementing Classes:

SubselectEvalStrategyEqualsAll, SubselectEvalStrategyEqualsAny, SubselectEvalStrategyEqualsIn, SubselectEvalStrategyRelOpAll, SubselectEvalStrategyRelOpAny

public interface SubselectEvalStrategy

Strategy for evaluation of a subselect.

Method Summary

java.lang.Object

evaluate(EventBean[] eventsPerStream, boolean isNewData, java.util.Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext) Evaluate.

Method Detail

evaluate

java.lang.Object evaluate(EventBean[] eventsPerStream,
                          boolean isNewData,
                          java.util.Collection<EventBean> matchingEvents,
                          ExprEvaluatorContext exprEvaluatorContext)

Evaluate.

Parameters:

eventsPerStream - events per stream

isNewData - true for new data

matchingEvents - prefiltered events

exprEvaluatorContext - expression evaluation context

Returns:

eval result