/*
***************************************************************************************
* 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.expression.funcs;
import com.espertech.esper.client.EventBean;
import com.espertech.esper.epl.expression.core.ExprEvaluator;
import com.espertech.esper.epl.expression.core.ExprEvaluatorContext;
import com.espertech.esper.metrics.instrumentation.InstrumentationHelper;
public class ExprCastNodeConstEval implements ExprEvaluator {
private final ExprCastNode parent;
private final Object theConstant;
public ExprCastNodeConstEval(ExprCastNode parent, Object theConstant) {
this.parent = parent;
this.theConstant = theConstant;
}
public Object evaluate(EventBean[] eventsPerStream, boolean isNewData, ExprEvaluatorContext context) {
if (InstrumentationHelper.ENABLED) {
InstrumentationHelper.get().qExprCast(parent);
InstrumentationHelper.get().aExprCast(theConstant);
}
return theConstant;
}
public Class getType() {
return parent.getTargetType();
}
}