static void Main(string[] args)
{
// Create price watch for Carrots and attach restaurants that buy carrots from suppliers.
Carrots carrots = new Carrots(0.82);
carrots.Attach(new Restaurant("Mackay's", 0.77));
carrots.Attach(new Restaurant("Johnny's Sports Bar", 0.74));
carrots.Attach(new Restaurant("Salad Kingdom", 0.75));
// Fluctuating carrot prices will notify subscribing restaurants.
carrots.PricePerPound = 0.79;
carrots.PricePerPound = 0.76;
carrots.PricePerPound = 0.74;
carrots.PricePerPound = 0.81;
Console.ReadKey();
}
private static void Main()
{
// Create price watch for Carrots
// and attach restaurants that buy carrots from suppliers.
Carrots carrots = new Carrots(0.82);
carrots.Attach(new Restaurant("Mackay's", 0.77));
carrots.Attach(new Restaurant("Johnny's Sports Bar", 0.74));
carrots.Attach(new Restaurant("Salad Kingdom", 0.75));
// Fluctuating carrot prices will notify subscribing restaurants.
carrots.SetPricePerPound(0.79);
Console.WriteLine();
carrots.SetPricePerPound(0.76);
Console.WriteLine();
carrots.SetPricePerPound(0.74);
Console.WriteLine();
carrots.SetPricePerPound(0.81);
Console.WriteLine();
}
static void Main(string[] args)
{
// Create price watch for Carrots and attach restaurants that buy carrots from suppliers.
Carrots carrots = new Carrots(0.82);
carrots.AddObserver(new Restaurant("Bubbles", 0.99, carrots));
carrots.AddObserver(new Restaurant("Johns", 0.75, carrots));
carrots.AddObserver(new Restaurant("Steve's'", 0.77, carrots));
Broccoli broccoli = new Broccoli(.75);
IRestaurant bubbles = new Restaurant("Bubbles", .99, broccoli);
broccoli.AddObserver(bubbles);
broccoli.PricePerPound = .45;
// Fluctuating carrot prices will notify subscribing restaurants.
carrots.PricePerPound = .77;
carrots.PricePerPound = .50;
carrots.PricePerPound = 10;
carrots.PricePerPound = .84;
Console.ReadLine();
}
