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();
}