03# 추상 팩토리(Abstract Factory) 패턴 Creational Patterns

static void Main(string[] args) {     //BuilderExample();     FactoryExample();       //Console.WriteLine("Hello World!");     Console.ReadKey(); }   static void FactoryExample() {     ContinentFactory africa = new AfricaFactory();     AnimalWorld world = new AnimalWorld(africa);     world.RunFoodChain();       ContinentFactory america = new AmericaFactory();     world = new AnimalWorld(america);     world.RunFoodChain(); }   main.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory {     public class Herbivore     {     } }   Herbivore.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory {     public abstract class Carnivore     {         public abstract void Eat(Herbivore h);     } }   Carnivore.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory {     public abstract class ContinentFactory     {         public abstract Herbivore CreateHerbivore(); //초식동물         public abstract Carnivore CreateCarnivore(); //육식동물     } }   ContinentFactory.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory.Animals.Carnivores {     public class Lion : Carnivore     {         public override void Eat(Herbivore h)         {             // Eat Wildebeest             Console.WriteLine(string.Format("{0} eats {1}", this.GetType().Name, h.GetType().Name));         }     } }   Lion.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory.Animals.Carnivores {     public class Wolf : Carnivore     {         public override void Eat(Herbivore h)         {             // Eat Bison             Console.WriteLine(string.Format("{0} eats {1}", this.GetType().Name, h.GetType().Name));         }     } }   Wolf.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory.Animals.Herbivores {     //초식동물 들소     class Bison : Herbivore     {     } }   Bison.cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory.Animals.Herbivores {     //초식동물 (뿔이 휘어져 있는 큰) 영양(羚羊)     class Wildebeest : Herbivore     {     } }   Wildebeest.cs

 

using System; using System.Collections.Generic; using System.Text; using DesignPatterns.Patterns.Factory.Animals.Carnivores; using DesignPatterns.Patterns.Factory.Animals.Herbivores;   namespace DesignPatterns.Patterns.Factory {     public class AfricaFactory : ContinentFactory     {         public override Carnivore CreateCarnivore()         {             return new Lion();         }           public override Herbivore CreateHerbivore()         {             return new Wildebeest();         }     } }   AfricaFactory.cs

 

using System; using System.Collections.Generic; using System.Text; using DesignPatterns.Patterns.Factory.Animals.Carnivores; using DesignPatterns.Patterns.Factory.Animals.Herbivores;   namespace DesignPatterns.Patterns.Factory {     public class AmericaFactory : ContinentFactory     {         public override Carnivore CreateCarnivore()         {             return new Wolf();         }           public override Herbivore CreateHerbivore()         {             return new Bison();         }     } }   AmericaFactory .cs

 

using System; using System.Collections.Generic; using System.Text;   namespace DesignPatterns.Patterns.Factory {     public class AnimalWorld     {         private Herbivore herbivore;         private Carnivore carnivore;           public AnimalWorld(ContinentFactory factory)         {             carnivore = factory.CreateCarnivore();             herbivore = factory.CreateHerbivore();         }           public void RunFoodChain()         {             carnivore.Eat(herbivore);         }     } }   AnimalWorld.cs

 

참고 사이트

https://www.dofactory.com/net/abstract-factory-design-pattern

Abstract Factory .NET Design Pattern in C# and VB - dofactory.com