/*
* *************************************************************************************
* 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.support.epl;
import com.espertech.esper.epl.expression.*;
import com.espertech.esper.client.EventBean;
import java.util.Map;
public class SupportBoolExprNode extends ExprNodeBase implements ExprEvaluator
{
private boolean evaluateResult;
public SupportBoolExprNode(boolean evaluateResult)
{
this.evaluateResult = evaluateResult;
}
public ExprEvaluator getExprEvaluator()
{
return this;
}
public void validate(ExprValidationContext validationContext) throws ExprValidationException {
}
public Class getType()
{
return Boolean.class;
}
public Map<String, Object> getEventType() {
return null;
}
public boolean isConstantResult()
{
return false;
}
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context)
{
return evaluateResult;
}
public String toExpressionString()
{
return null;
}
public boolean equalsNode(ExprNode node)
{
throw new UnsupportedOperationException("not implemented");
}
}