/**************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* This class represents an 'and' operator in the evaluation tree representing an event expressions.
*/
public class EvalAndNode extends EvalNodeBase
{
protected final EvalAndFactoryNode factoryNode;
protected final EvalNode[] childNodes;
public EvalAndNode(PatternAgentInstanceContext context, EvalAndFactoryNode factoryNode, EvalNode[] childNodes) {
super(context);
this.factoryNode = factoryNode;
this.childNodes = childNodes;
}
public EvalAndFactoryNode getFactoryNode() {
return factoryNode;
}
public EvalNode[] getChildNodes() {
return childNodes;
}
public EvalStateNode newState(Evaluator parentNode,
EvalStateNodeNumber stateNodeNumber, long stateNodeId)
{
return new EvalAndStateNode(parentNode, this);
}
private static final Log log = LogFactory.getLog(EvalAndNode.class);
}