SupportTableLookupStrategy.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.supportunit.epl.join;

import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
import com.espertech.esper.epl.join.exec.base.JoinExecTableLookupStrategy;
import com.espertech.esper.epl.join.rep.Cursor;
import com.espertech.esper.epl.lookup.LookupStrategyDesc;

import java.util.Set;

public class SupportTableLookupStrategy implements JoinExecTableLookupStrategy {
    private final int numResults;

    public SupportTableLookupStrategy(int numResults) {
        this.numResults = numResults;
    }

    public Set<EventBean> lookup(EventBean theEvent, Cursor cursor, ExprEvaluatorContext exprEvaluatorContext) {
        return SupportJoinResultNodeFactory.makeEventSet(numResults);
    }

    public LookupStrategyDesc getStrategyDesc() {
        return null;
    }
}