01: /*
02: This file is part of the PolePosition database benchmark
03: http://www.polepos.org
04:
05: This program is free software; you can redistribute it and/or
06: modify it under the terms of the GNU General Public License
07: as published by the Free Software Foundation; either version 2
08: of the License, or (at your option) any later version.
09:
10: This program is distributed in the hope that it will be useful,
11: but WITHOUT ANY WARRANTY; without even the implied warranty of
12: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13: GNU General Public License for more details.
14:
15: You should have received a copy of the GNU General Public
16: License along with this program; if not, write to the Free
17: Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
18: MA 02111-1307, USA. */
19:
20: package org.polepos.framework;
21:
22: /**
23: * @author Herkules
24: */
25: public class StopWatch {
26: private long startNanos;
27: private long nanosEllapsed;
28:
29: public void start() {
30: startNanos = System.nanoTime();
31: }
32:
33: public void stop() {
34: nanosEllapsed = System.nanoTime() - startNanos;
35: }
36:
37: public long millisEllapsed() {
38: return nanosEllapsed / 1000000;
39: }
40:
41: public String toString() {
42: return "" + millisEllapsed() + "ms";
43: }
44:
45: }
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