Package com.espertech.esper.common.internal.epl.lookup

Class SubordHashedTableLookupStrategyExprFactory

java.lang.Object

com.espertech.esper.common.internal.epl.lookup.SubordHashedTableLookupStrategyExprFactory

All Implemented Interfaces:

SubordTableLookupStrategyFactory

public class SubordHashedTableLookupStrategyExprFactory
extends Object
implements SubordTableLookupStrategyFactory

Index lookup strategy for subqueries.

Field Summary

Fields

Modifier and Type	Field	Description
static final EPTypeClass	EPTYPE
protected final ExprEvaluator	evaluator
protected final String[]	expressionTexts
protected final boolean	isNWOnTrigger
protected final int	numStreamsOuter

Constructor Summary

Constructors

Constructor	Description
SubordHashedTableLookupStrategyExprFactory(String[] expressionTexts, ExprEvaluator evaluator, boolean isNWOnTrigger, int numStreamsOuter)

Method Summary

Modifier and Type	Method	Description
LookupStrategyDesc	getLookupStrategyDesc()
SubordTableLookupStrategy	makeStrategy(EventTable[] eventTable, ExprEvaluatorContext exprEvaluatorContext, VirtualDWView vdw)
String	toQueryPlan()

Methods inherited from class java.lang.Object

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

Field Details

EPTYPE

public static final EPTypeClass EPTYPE

expressionTexts

protected final String[] expressionTexts

evaluator

protected final ExprEvaluator evaluator

isNWOnTrigger

protected final boolean isNWOnTrigger

numStreamsOuter

protected final int numStreamsOuter

Constructor Details

SubordHashedTableLookupStrategyExprFactory

public SubordHashedTableLookupStrategyExprFactory(String[] expressionTexts,
 ExprEvaluator evaluator,
 boolean isNWOnTrigger,
 int numStreamsOuter)

Method Details

makeStrategy

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

Specified by:

makeStrategy in interface SubordTableLookupStrategyFactory

toQueryPlan

public String toQueryPlan()

getLookupStrategyDesc

public LookupStrategyDesc getLookupStrategyDesc()

Specified by:

getLookupStrategyDesc in interface SubordTableLookupStrategyFactory