예제 #1
0
        static void Main(string[] args)
        {
            ContinentFactory africa      = new AfricaFactory();
            AnimalWorld      animalWorld = new AnimalWorld(africa);

            animalWorld.RunFoodChain();

            ContinentFactory america = new AmericaFactory();

            animalWorld = new AnimalWorld(america);
            animalWorld.RunFoodChain();

            Console.WriteLine("Press any key to exit...");
            Console.Read();
        }
        public static void Run()
        {
            Console.WriteLine("First showcase is the AbstractFactory design pattern.");
            Console.WriteLine("The AbstractFactory is the entry point for creating entities." + Environment.NewLine
                              + "This is an abstract class that only declares methods for creating entities.");
            Console.WriteLine("Abstract factory is implemented through a number of child factories which implement the " + Environment.NewLine
                              + "specific methods for instantiating entities. In this case the African and American factories.");
            Console.WriteLine("Carnivore and Herbivore are abstract classes demanding specific implementations for animals. " + Environment.NewLine
                              + "Carnivore also has a method that has to be implemented in child class and it uses herbivore from factory.");
            Console.WriteLine("All of that is used in AnimalWorld class. For an instance of the class the different animals are created." + Environment.NewLine);

            AnimalWorld animalsOfAfrica  = new AnimalWorld(new AfricaFactory());
            AnimalWorld animalsOfAmerica = new AnimalWorld(new AmericaFactory());

            Console.WriteLine("African animals behave:");
            animalsOfAfrica.RunFoodChain();
            Console.WriteLine();

            Console.WriteLine("American animals behaver:");
            animalsOfAmerica.RunFoodChain();
            Console.WriteLine();
        }