StopWatch provides a convenient API for timings.
To start the watch, call {@link #start()}. At this point you can:
It is intended that the output methods {@link #toString()} and {@link #getTime()} should only be called after stop,split or suspend, however a suitable result will be returned at other points.
NOTE: As from v2.1, the methods protect against inappropriate calls. Thus you cannot now call stop before start, resume before suspend or unsplit before split.
1. split(), suspend(), or stop() cannot be invoked twice
2. unsplit() may only be called if the watch has been split()
3. resume() may only be called if the watch has been suspend()
4. start() cannot be called twice without calling reset()
This class is not thread-safe
@author Apache Software Foundation @author kieran (Sep 1, 2010) - borrowed apache lang StopWatch for ERExtensions and changed to our own time duration formatterto eliminate other commons lang dependencies @since 2.0 @version $Id: StopWatch.java 959577 2010-07-01 09:48:23Z sebb $ | |
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