public Dashboard(ISubject subject)
{
_subject = subject;
_subject.RegisterObserver(this);
// subscribe to event
_subject.PriceThresholdAlertEvent += PriceAlert;
}
public StatisticsDisplay(ISubject weatherDatasSubject)
{
Temperature = new List <float>();
Humidity = new List <float>();
Pressure = new List <float>();
WeatherDataSubject = weatherDatasSubject;
weatherDatasSubject.RegisterObserver(this);
}
public CurrentConditionsDisplay(ISubject weatherDataSubject)
{
WeatherData = weatherDataSubject;
weatherDataSubject.RegisterObserver(this);
}
public ForecastDisplay(ISubject weatherData)
{
weatherData.RegisterObserver(this);
}
public CurrentConditionsDisplay(ISubject weatherData)
{
this.weatherData = weatherData;
weatherData.RegisterObserver(this);
}
public StatisticsDisplay(ISubject weatherData)
{
_weatherData = weatherData;
weatherData.RegisterObserver(this);
}
public Observer(string userName, ISubject subject)
{
UserName = userName;
subject.RegisterObserver(this);
}
public CurrentConditionsDisplay(ISubject weatherData)
{
weatherData.RegisterObserver(this); //subscribe itself, Subject(publisher) will add this instance to its list
}
public HeatIndexDisplay(ISubject weatherData)
{
_weatherData = weatherData;
_weatherData.RegisterObserver(this);
}
public ForecastDisplay(ISubject weatherDatasuSubject)
{
WeatherDatasuSubject = weatherDatasuSubject;
weatherDatasuSubject.RegisterObserver(this);
}
public void AskRegistration()
{
_subject.RegisterObserver(this);
Console.WriteLine("Signed up");
}
public HeatIndexDisplay(WeatherData weatherData)
{
this.weatherData = weatherData;
weatherData.RegisterObserver(this);
}