Package com.espertech.esper.common.internal.epl.join.strategy

Interface QueryStrategy

All Known Implementing Classes:

ExecNodeQueryStrategy, HistoricalDataQueryStrategy

public interface QueryStrategy

Encapsulates the strategy use to resolve the events for a stream into a tuples of events in a join.

Method Summary

Modifier and Type	Method	Description
void	lookup(EventBean[] lookupEvents, Set<MultiKeyArrayOfKeys<EventBean>> joinSet, ExprEvaluatorContext exprEvaluatorContext)	Look up events returning tuples of joined events.

Method Details

lookup

void lookup(EventBean[] lookupEvents,
 Set<MultiKeyArrayOfKeys<EventBean>> joinSet,
 ExprEvaluatorContext exprEvaluatorContext)

Look up events returning tuples of joined events.

Parameters:

lookupEvents - - events to use to perform the join

joinSet - - result join tuples of events

exprEvaluatorContext - expression evaluation context