QueryGraphValueEntryInKeywordSingleIdx.java

/*
 ***************************************************************************************
 *  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;

import java.io.Serializable;

public class QueryGraphValueEntryInKeywordSingleIdx implements QueryGraphValueEntry, Serializable {
    private static final long serialVersionUID = -2340719032845201999L;
    private final ExprNode[] keyExprs;

    protected QueryGraphValueEntryInKeywordSingleIdx(ExprNode[] keyExprs) {
        this.keyExprs = keyExprs;
    }

    public ExprNode[] getKeyExprs() {
        return keyExprs;
    }

    public String toQueryPlan() {
        return "in-keyword single-indexed multiple key lookup " + ExprNodeUtility.toExpressionStringMinPrecedenceAsList(keyExprs);
    }
}