public void TestPullObserver()
{
ICustomPullObservable<VegetableMarketPrice> vegMarketObservable = new VegetableMarketPullObservable();
ICustomPullObserver<VegetableMarketPrice> homeObserver = new HomePullObserver(vegMarketObservable);
ICustomPullObserver<VegetableMarketPrice> hotelObserver = new HotelPullObserver(vegMarketObservable);
homeObserver.ShowUpdates();
hotelObserver.ShowUpdates();
Console.WriteLine("Changing the price");
vegMarketObservable.Update(new VegetableMarketPrice {OnionPrice = 10, PotatoPrice = 20, TomatoPrice = 30});
homeObserver.ShowUpdates();
hotelObserver.ShowUpdates();
}
public void TestPullObserver()
{
ICustomPullObservable <VegetableMarketPrice> vegMarketObservable = new VegetableMarketPullObservable();
ICustomPullObserver <VegetableMarketPrice> homeObserver = new HomePullObserver(vegMarketObservable);
ICustomPullObserver <VegetableMarketPrice> hotelObserver = new HotelPullObserver(vegMarketObservable);
homeObserver.ShowUpdates();
hotelObserver.ShowUpdates();
Console.WriteLine("Changing the price");
vegMarketObservable.Update(new VegetableMarketPrice {
OnionPrice = 10, PotatoPrice = 20, TomatoPrice = 30
});
homeObserver.ShowUpdates();
hotelObserver.ShowUpdates();
}