com.espertech.esper.pattern.EvalMatchUntilNode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of esper Show documentation

Complex event processing and event series analysis component

There is a newer version: 7.1.0

/*
 ***************************************************************************************
 *  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.pattern;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This class represents a match-until observer in the evaluation tree representing any event expressions.
 */
public class EvalMatchUntilNode extends EvalNodeBase {
    protected final EvalMatchUntilFactoryNode factoryNode;
    private final EvalNode childNodeSub;
    private final EvalNode childNodeUntil;

    public EvalMatchUntilNode(PatternAgentInstanceContext context, EvalMatchUntilFactoryNode factoryNode, EvalNode childNodeSub, EvalNode childNodeUntil) {
        super(context);
        this.factoryNode = factoryNode;
        this.childNodeSub = childNodeSub;
        this.childNodeUntil = childNodeUntil;
    }

    public EvalMatchUntilFactoryNode getFactoryNode() {
        return factoryNode;
    }

    public EvalNode getChildNodeSub() {
        return childNodeSub;
    }

    public EvalNode getChildNodeUntil() {
        return childNodeUntil;
    }

    public EvalStateNode newState(Evaluator parentNode,
                                  EvalStateNodeNumber stateNodeNumber, long stateNodeId) {
        return new EvalMatchUntilStateNode(parentNode, this);
    }

    private static final Logger log = LoggerFactory.getLogger(EvalMatchUntilNode.class);
}