/*
***************************************************************************************
* 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.agg.rollup;
import com.espertech.esper.epl.expression.core.ExprNode;
import java.util.Map;
public class GroupByRollupEvalContext {
private final Map<ExprNode, Integer> expressionToIndex;
public GroupByRollupEvalContext(Map<ExprNode, Integer> expressionToIndex) {
this.expressionToIndex = expressionToIndex;
}
public int getIndex(ExprNode node) {
return expressionToIndex.get(node);
}
}