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Java > Open Source Codes > org > prevayler > implementation > clock > MachineClock


1 //Prevayler(TM) - The Free-Software Prevalence Layer.
2 //Copyright (C) 2001-2003 Klaus Wuestefeld
3 //This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
4
5 package org.prevayler.implementation.clock;
6
7 import java.util.Date JavaDoc;
8
9 /** A Clock that uses the local machine clock (System.currentTimeMillis()) as its time source.
10  */
11 public class MachineClock extends BrokenClock {
12
13     /** @return The local machine time.
14     */
15     public Date JavaDoc time() {
16         update();
17         return super.time();
18     }
19
20
21     private void update() {
22         long newTime = System.currentTimeMillis();
23         if (newTime != _millis) advanceTo(new Date JavaDoc(newTime));
24     }
25
26 }
27
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