/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 * 
 */

package org.apache.jmeter.timers;

import java.io.Serializable;
import java.util.Random;

import org.apache.jmeter.testelement.property.DoubleProperty;
import org.apache.jmeter.testelement.property.StringProperty;

/*******************************************************************************
 * This class implements a random timer with its own panel and fields for value
 * update and user interaction. Since this class does not define the delay()
 * method, is abstract and must be extended to provide full functionality.
 * 
 * @author <a href="mailto:stefano@apache.org">Stefano Mazzocchi</a>
 * @author <a href="mailto:seade@backstagetech.com.au">Scott Eade</a>
 * @version $Id: RandomTimer.java 493777 2007-01-07 17:28:00Z sebb $
 */
public abstract class RandomTimer extends ConstantTimer implements Timer, Serializable {
	public final static String RANGE = "RandomTimer.range";

	protected Random random;

	/**
	 * No-arg constructor.
	 */
	public RandomTimer() {
		this.random = new Random();
	}

	/**
	 * Set the range value.
	 */
	public void setRange(double range) {
		setProperty(new DoubleProperty(RANGE, range));
	}

	public void setRange(String range) {
		setProperty(new StringProperty(RANGE, range));
	}

	/**
	 * Get the range value.
	 * 
	 * @return double
	 */
	public double getRange() {
		return this.getPropertyAsDouble(RANGE);
	}

}
