public override void Show()
{
Console.WriteLine("***Observer Pattern Demo***");
Console.WriteLine("Raising Noise alarm if noise level goes beyond 80dB.");
var noiseAlarm = new NoiseAlarm();
// Type 1: Registering for raising alaram is hidden in observer.
_noiseObserver = new NoiseObserver(noiseAlarm);
// Type 2: Registering event outside the observer.
_noiseObserverTwo = new NoiseObserverTwo();
_noiseObserverTwo.RaiseAlarm += noiseAlarm.RaiseAlarm;
SimulateNoiseLevelVariantion();
}
public NoiseObserver(NoiseAlarm alarm)
{
_noiseAlarm = alarm;
}