com.espertech.esper.epl.expression.subquery

Interface SubselectEvalStrategyNR

All Known Implementing Classes:

SubselectEvalStrategyNRBase, SubselectEvalStrategyNREqualsAllAnyAggregated, SubselectEvalStrategyNREqualsAllDefault, SubselectEvalStrategyNREqualsAllWGroupBy, SubselectEvalStrategyNREqualsAnyDefault, SubselectEvalStrategyNREqualsAnyWGroupBy, SubselectEvalStrategyNREqualsBase, SubselectEvalStrategyNREqualsInAggregated, SubselectEvalStrategyNREqualsInBase, SubselectEvalStrategyNREqualsInFiltered, SubselectEvalStrategyNREqualsInUnfiltered, SubselectEvalStrategyNREqualsInWGroupBy, SubselectEvalStrategyNRExistsAggregated, SubselectEvalStrategyNRExistsAlwaysTrue, SubselectEvalStrategyNRExistsDefault, SubselectEvalStrategyNRExistsWGroupBy, SubselectEvalStrategyNRExistsWGroupByWHaving, SubselectEvalStrategyNRRelOpAllAnyAggregated, SubselectEvalStrategyNRRelOpAllDefault, SubselectEvalStrategyNRRelOpAllWGroupBy, SubselectEvalStrategyNRRelOpAnyDefault, SubselectEvalStrategyNRRelOpAnyWGroupBy, SubselectEvalStrategyNRRelOpBase

public interface SubselectEvalStrategyNR

Strategy for evaluation of a subselect.

Method Summary

Modifier and Type	Method and Description
Object	evaluate(EventBean[] eventsPerStream, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext, AggregationService aggregationService) Evaluate.

Method Detail

evaluate

Object evaluate(EventBean[] eventsPerStream,
                boolean isNewData,
                Collection<EventBean> matchingEvents,
                ExprEvaluatorContext exprEvaluatorContext,
                AggregationService aggregationService)

Evaluate.

Parameters:

eventsPerStream - events per stream

isNewData - true for new data

matchingEvents - prefiltered events

exprEvaluatorContext - expression evaluation context

aggregationService - aggregation service or null if none

Returns:

eval result