/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.epl.lookup;
import com.espertech.esper.epl.join.table.EventTable;
import com.espertech.esper.epl.join.table.PropertyIndexedEventTable;
import com.espertech.esper.epl.virtualdw.VirtualDWView;
import java.util.List;
/**
* Index lookup strategy that coerces the key values before performing a lookup.
*/
public class SubordIndexedTableLookupStrategyCoercingFactory extends SubordIndexedTableLookupStrategyExprFactory {
private Class[] coercionTypes;
public SubordIndexedTableLookupStrategyCoercingFactory(boolean isNWOnTrigger, int numStreamsOuter, List<SubordPropHashKey> hashKeys, Class[] coercionTypes) {
super(isNWOnTrigger, numStreamsOuter, hashKeys);
this.coercionTypes = coercionTypes;
}
@Override
public SubordTableLookupStrategy makeStrategy(EventTable[] eventTable, VirtualDWView vdw) {
if (isNWOnTrigger) {
return new SubordIndexedTableLookupStrategyCoercingNW(evaluators, (PropertyIndexedEventTable) eventTable[0], coercionTypes, strategyDesc);
} else {
return new SubordIndexedTableLookupStrategyCoercing(numStreamsOuter, evaluators, (PropertyIndexedEventTable) eventTable[0], coercionTypes, strategyDesc);
}
}
}