public override void Init()
{
//委托事件实现
var heater = new Heater();
heater.OnBoiled += new AlarmObserver().Alert;
heater.OnBoiled += new ScreenObserver().Show;
heater.BoilWater();
//IObservable<>和IObserver<>实现
var subject = new Ammeter();
var alarm = new MeterAlarm();
var sms = new MeterSMS();
alarm.Subscribe(subject);
sms.Subscribe(subject);
subject.Publish();
alarm.Unsubscribe();
subject.Publish();
alarm.Subscribe(subject);
sms.Unsubscribe();
subject.Publish();
}
public MeterAlarm Update(MeterAlarm t)
{
throw new NotImplementedException();
}
public MeterAlarm Save(MeterAlarm t)
{
_iogContext.MeterAlarms.Add(t);
_iogContext.SaveChanges();
return(t);
}