package org.jacorb.notification.filter.etcl;
/*
* JacORB - a free Java ORB
*
* Copyright (C) 1999-2004 Gerald Brose
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
import org.jacorb.notification.filter.EvaluationContext;
import org.jacorb.notification.filter.EvaluationResult;
import antlr.Token;
/**
* A simple node to represent a Number
*
* @version $Id: NumberValue.java,v 1.4 2005-02-14 00:07:08 alphonse.bendt Exp $
*/
public class NumberValue extends AbstractTCLNode
{
private Double number_;
private EvaluationResult result_;
public Double getNumber()
{
return number_;
}
public NumberValue(Token tok)
{
super(tok);
setName("NumberValue");
EvaluationResult _r = new EvaluationResult();
number_ = new Double(tok.getText());
int t = getType();
switch (t) {
case NUMBER:
_r.setLong(number_);
break;
case NUM_FLOAT:
_r.setFloat(number_);
break;
default:
throw new RuntimeException();
}
result_ = EvaluationResult.wrapImmutable(_r);
}
public EvaluationResult evaluate(EvaluationContext context)
{
return result_;
}
public String toString()
{
switch (getType()) {
case NUM_FLOAT:
return "" + number_.floatValue();
default:
return "" + number_.longValue();
}
}
public boolean isStatic()
{
return true;
}
public boolean isNumber()
{
return true;
}
public void acceptInOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitNumber(this);
}
public void acceptPostOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitNumber(this);
}
public void acceptPreOrder(AbstractTCLVisitor visitor) throws VisitorException
{
visitor.visitNumber(this);
}
}