synchronized on background job? Ha senso?

new_gist_file

ClassMethod HousekeepingUnscheduledAdverts()
  {
		lock +^DateOfLastLifecycleUnscheduledAdsHK
		set $ZTRAP = "Error"
		
		if (..IsReschedulingEnabledNow()) {
			set ^DateOfLastLifecycleUnscheduledAdsHK = ##class(Util.DateTime).Today()
			do ##class(Util.Job).RunCommand("do ##class(JE.AdvertLifecycle.Scheduling.Data.AdvertSchedule.RescheduleUnscheduledAds()")
		}
		
	Error
		set $ZTRAP = ""
		lock -^DateOfLastLifecycleUnscheduledAdsHK
	}



private synchronized static void housekeepingUnscheduledAdverts() {
  	if(isReschedulingEnabledNow()) {
			Global.set(Util.DateTime.Today(), "^DateOfLastLifecycleUnscheduledAdsHK");
			
			Job.RunCommand("JE.AdvertLifecycle.Scheduling.Data.AdvertSchedule.rescheduleUnscheduledAds()");
		}
	}