/*
 * @(#)IntegralVariable.java	0.0.0 99/07/20
 *
 * Copyright (c) 1999 by Willie Wheeler.  All rights reserved.
 */
package stats;

import lang.*;

/**
 * Class to represent a variable with integer values.
 *
 * @version	0.0.0 07/20/99
 * @author	Willie Wheeler
 */
public class IntegralVariable extends NumericVariable {

    protected static final Integer	ZERO = new Integer(0);

    public IntegralVariable(String name) { super(name); }

    public boolean checkValue(Object value) {
	return NumberUtils.checkInt(value);
    }

    public Object filterValue(Object value) {
	return NumberUtils.asClassInt(value);
    }

    public Class getValueClass() { return Integer.class; }

    public Object getClearValue() { return ZERO; }
}