// not for multi threaded apps
public static <T> T muteLogger(Closure<T> closure) {
LOG.debug("turning logging off");
Level level = Logger.getRootLogger().getLevel();
Logger.getRootLogger().setLevel(Level.ERROR);
T result = null;
try {
result = closure.call();
} finally {
Logger.getRootLogger().setLevel(level);
LOG.debug("turning logging on");
}
return result;
}
public static <T> Duration time(Closure<T> closure) {
long starttime = System.currentTimeMillis();
closure.call();
return new Duration(TimeUnit.MILLISECONDS, System.currentTimeMillis() - starttime);
}