public void ShouldNotifyWhenObservableChange()
{
var station = new WeatherStation();
var display = new PhoneDisplay(station);
station.SetTemperature(10);
Assert.AreEqual(station.Temperature, display.Temperature);
}
public PhoneCreatedEvent(string name, string manufacturer, PhoneDimensions dimensions, double weight, PhoneDisplay display, string cpuModel, int ram, string os, double price, List <PhoneMedia> media)
{
Name = name;
Manufacturer = manufacturer;
Dimensions = dimensions;
Weight = weight;
Display = display;
CPUModel = cpuModel;
RAM = ram;
OS = os;
Price = price;
Media = media;
}
static void Main(string[] args)
{
WeatherConditionStation weatherStation = new WeatherConditionStation();
while (true)
{
PhoneDisplay phoneDisplay = new PhoneDisplay(weatherStation);
weatherStation.Add(phoneDisplay);
weatherStation.Notify();
Thread.Sleep(5000);
}
}
private static void Observer_Pattern()
{
// TODO The Observer pattern defines one to many dependencies between objects so that when one object changes its state
// TODO all of its dependencies are notified and updated automatically
var weatherStation = new WeatherStation();
IObserver phoneDisplay = new PhoneDisplay(weatherStation);
IObserver tabletDisplay = new TabletDisplay(weatherStation);
// push the observer in the list
weatherStation.Add(phoneDisplay);
weatherStation.Add(tabletDisplay);
Console.WriteLine("Observable Weather Station received new Temperature so it will update the observers");
//poll the date from observable for each observer in the list
weatherStation.Notify();
}
public static void Main()
{
// create object that implements IObservable
WeatherStation weatherStation = new WeatherStation();
// create object that implements IObserver and add IObservable object
PhoneDisplay o1 = new PhoneDisplay(weatherStation);
weatherStation.add(o1);
Webpage o2 = new Webpage(weatherStation);
weatherStation.add(o2);
weatherStation.setTemprature(21);
weatherStation.setTemprature(23);
weatherStation.remove(o1);
weatherStation.setTemprature(18);
}
