public override void Send(string message, Colleague colleague)
{
if (colleague == Farmer)
{
Cannery.MakeKetchup(message);
}
else if (colleague == Cannery)
{
Shop.SellKetchup(message);
}
}
static void Main()
{
var mediator = new ConcreteMediator();
var farmer = new Farmer(mediator);
var cannery = new Cannery(mediator);
var shop = new Shop(mediator);
mediator.Farmer = farmer;
mediator.Cannery = cannery;
mediator.Shop = shop;
farmer.GrowTomato();
// Delay.
Console.ReadKey();
}