/*
***************************************************************************************
* 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.join.plan;
import com.espertech.esper.epl.expression.core.ExprNode;
import com.espertech.esper.epl.expression.core.ExprNodeUtility;
public class QueryGraphValueEntryRangeRelOp extends QueryGraphValueEntryRange {
private static final long serialVersionUID = -4616155064548498888L;
private final ExprNode expression;
private final boolean isBetweenPart; // indicate that this is part of a between-clause or in-clause
public QueryGraphValueEntryRangeRelOp(QueryGraphRangeEnum type, ExprNode expression, boolean isBetweenPart) {
super(type);
if (type.isRange()) {
throw new IllegalArgumentException("Invalid ctor for use with ranges");
}
this.expression = expression;
this.isBetweenPart = isBetweenPart;
}
public ExprNode getExpression() {
return expression;
}
public boolean isBetweenPart() {
return isBetweenPart;
}
public String toQueryPlan() {
return getType().getStringOp() + " on " + ExprNodeUtility.toExpressionStringMinPrecedenceSafe(expression);
}
public ExprNode[] getExpressions() {
return new ExprNode[]{expression};
}
}