// $Header: /home/cvs/jakarta-jmeter/src/jorphan/org/apache/jorphan/timer/TimerFactory.java,v 1.3 2004/02/11 23:57:23 sebb Exp $
/*
 * Copyright 2002-2004 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.
 * 
*/

package org.apache.jorphan.timer;

/**
 * This non-instantiable non-extendible class acts as a Factory for
 * {@link ITimer} implementations.
 * 
 * @author Vlad Roubtsov
 * @author Originally published in JavaWorld
 * @version $Revision: 1.3 $
 */
public final class TimerFactory
{
    /**
     * Creates a new instance of {@link ITimer} which is returned in 'ready'
     * state. If the JNI-based/high-resolution implementation is not available
     * this will return an instance of JavaSystemTimer, so this
     * method is guaranteed not to fail.
     * 
     * @return ITimer a new timer instance in 'ready' state [never null] 
     */
    public static ITimer newTimer ()
    {
        try
        {
            return new HRTimer ();
        }
        catch (Throwable t)
        {
            return new JavaSystemTimer ();
        }
    }

    /**
     * Private default constructor to prevent instantiation.
     */    
    private TimerFactory () {}   
}