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Java > Open Source Codes > org > apache > jorphan > timer > JavaSystemTimer


1 // $Header: /home/cvs/jakarta-jmeter/src/jorphan/org/apache/jorphan/timer/JavaSystemTimer.java,v 1.4 2004/02/11 23:57:23 sebb Exp $
2 /*
3  * Copyright 2002-2004 The Apache Software Foundation.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17 */
18
19 package org.apache.jorphan.timer;
20
21 /**
22  * A package-private implementation of {@link ITimer} based around Java system
23  * timer [<code>System.currentTimeMillis()</code> method]. It is used when
24  * <code>HRTimer</code> implementation is unavailable.
25  * <p>
26  * {@link TimerFactory} acts as the Factory for this class.
27  * <p>
28  * MT-safety: an instance of this class is safe to be used within the same
29  * thread only.
30  *
31  * @author <a HREF="mailto:vroubtsov@illinoisalumni.org">Vlad Roubtsov</a>
32  * @author Originally published in <a HREF="http://www.javaworld.com/javaworld/javaqa/2003-01/01-qa-0110-timing.html">JavaWorld</a>
33  * @author <a HREF="mailto:jeremy_a@bigfoot.com">Jeremy Arnold</a>
34  * @version $Revision: 1.4 $
35  */
36 final class JavaSystemTimer extends AbstractTimer
37 {
38     protected double getCurrentTime()
39     {
40         return System.currentTimeMillis();
41     }
42 }
43
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