// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/testelement/property/NumberProperty.java,v 1.3 2004/02/13 02:40:53 sebb Exp $
/*
 * Copyright 2003-2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * 
*/

/*
 * Created on May 5, 2003
 */
package org.apache.jmeter.testelement.property;

/**
 * @author ano ano
 * @version $Revision: 1.3 $
 */
public abstract class NumberProperty extends AbstractProperty
{
    public NumberProperty()
    {
        super();
    }

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

    /**
     * Set the value of the property with a Number object.
     */
    protected abstract void setNumberValue(Number n);

    /**
     * Set the value of the property with a String object.
     */
    protected abstract void setNumberValue(String n)
        throws NumberFormatException;

    public void setObjectValue(Object v)
    {
        if (v instanceof Number)
        {
            setNumberValue((Number) v);
        }
        else
        {
            try
            {
                setNumberValue(v.toString());
            }
            catch (RuntimeException e)
            {
            }
        }
    }
    
    /**
     * @see Comparable#compareTo(Object)
     */
    public int compareTo(Object arg0)
    {
        if(arg0 instanceof JMeterProperty)
        {
            double compareValue =
                getDoubleValue() - ((JMeterProperty) arg0).getDoubleValue();

            if(compareValue < 0)
            {
                return -1;
            }
            else if(compareValue == 0)
            {
                return 0;
            }
            else
            {
                return 1;
            }
        }
        else
        {
            return -1;
        }
    }
}