com.espertech.esper.epl.lookup
Class SubordIndexedTableLookupStrategyExprFactory

java.lang.Object
  com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategyExprFactory

All Implemented Interfaces:

SubordTableLookupStrategyFactory

Direct Known Subclasses:

SubordIndexedTableLookupStrategyCoercingFactory

public class SubordIndexedTableLookupStrategyExprFactory
extends java.lang.Object
implements SubordTableLookupStrategyFactory

Index lookup strategy for subqueries.

Field Summary

protected ExprEvaluator[]	evaluators
protected boolean	isNWOnTrigger
protected int	numStreamsOuter
protected LookupStrategyDesc	strategyDesc

Constructor Summary

SubordIndexedTableLookupStrategyExprFactory(boolean isNWOnTrigger, int numStreamsOuter, java.util.List<SubordPropHashKey> hashKeys)

Method Summary

SubordTableLookupStrategy	makeStrategy(EventTable[] eventTable, VirtualDWView vdw)
java.lang.String	toQueryPlan()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

evaluators

protected final ExprEvaluator[] evaluators

isNWOnTrigger

protected final boolean isNWOnTrigger

numStreamsOuter

protected final int numStreamsOuter

strategyDesc

protected final LookupStrategyDesc strategyDesc

Constructor Detail

SubordIndexedTableLookupStrategyExprFactory

public SubordIndexedTableLookupStrategyExprFactory(boolean isNWOnTrigger,
                                                   int numStreamsOuter,
                                                   java.util.List<SubordPropHashKey> hashKeys)

Method Detail

makeStrategy

public SubordTableLookupStrategy makeStrategy(EventTable[] eventTable,
                                              VirtualDWView vdw)

Specified by:

makeStrategy in interface SubordTableLookupStrategyFactory

toQueryPlan

public java.lang.String toQueryPlan()

Specified by:

toQueryPlan in interface SubordTableLookupStrategyFactory