public TimerBasedPeriodicCheck(IPeriodicCheck periodicCheck, ISendMessages messageSender, Configure configure, UnicastBus unicastBus, CriticalError criticalError) { this.periodicCheck = periodicCheck; this.configure = configure; this.unicastBus = unicastBus; serviceControlBackend = new ServiceControlBackend(messageSender, configure, criticalError); timer = new Timer(Run, null, TimeSpan.Zero, periodicCheck.Interval); }