/*
***************************************************************************************
* 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.expression.subquery;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.agg.service.AggregationService;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
import com.espertech.esper.type.RelationalOpEnum;
import java.util.Collection;
public class SubselectEvalStrategyNRRelOpAllAnyAggregated extends SubselectEvalStrategyNRRelOpBase {
private final ExprEvaluator havingEval;
public SubselectEvalStrategyNRRelOpAllAnyAggregated(ExprEvaluator valueEval, ExprEvaluator selectEval, boolean resultWhenNoMatchingEvents, RelationalOpEnum.Computer computer, ExprEvaluator havingEval) {
super(valueEval, selectEval, resultWhenNoMatchingEvents, computer);
this.havingEval = havingEval;
}
protected Object evaluateInternal(Object leftResult, EventBean[] events, boolean isNewData, Collection<EventBean> matchingEvents, ExprEvaluatorContext exprEvaluatorContext, AggregationService aggregationService) {
if (havingEval != null) {
Boolean pass = (Boolean) havingEval.evaluate(events, true, exprEvaluatorContext);
if ((pass == null) || (!pass)) {
return null;
}
}
Object valueRight = selectEval.evaluate(events, true, exprEvaluatorContext);
if (valueRight == null) {
return null;
}
return computer.compare(leftResult, valueRight);
}
}