!7

module HourlyOnMark > DynPrintLog {
  transient java.util.Timer timer;
  
  start {
    startTimer();
    ownResource(tempAddToList((L) dm_getOSOpt('timeJumpDetector_onTimeJump), r { temp enter(); cancelTimer(timer); startTimer(); }));
  }
  
  void startTimer {
    timer = atTheStartOfEveryHour(r {
      logQuoted(javaxDataDir("hourly-mark.log"), print("On at: ", localDateWithSeconds()));
    });
  }
}