DesignPattern_Creational_AbstractFactory

void Main()
{
    AbstractFactory.ChooseFactory("A").GetProduct1().Dump();
    AbstractFactory.ChooseFactory("A").GetProduct2().Dump();
    AbstractFactory.ChooseFactory("B").GetProduct1().Dump();
    AbstractFactory.ChooseFactory("B").GetProduct2().Dump();
}

interface IProduct1{}
interface IProduct2{}
class Product1A:IProduct1{}
class Product1B:IProduct1{}
class Product2A:IProduct2{}
class Product2B:IProduct2{}
abstract class AbstractFactory{
    public static AbstractFactory ChooseFactory(string name){
        switch (name)
        {
            case "A":return new FactoryA();
            case "B":return new FactoryB();
            default:return null;
        }
    }
    public abstract IProduct1 GetProduct1();
    public abstract IProduct2 GetProduct2();
}
class FactoryA:AbstractFactory{
    public override IProduct1 GetProduct1(){return new Product1A();}
    public override IProduct2 GetProduct2(){return new Product2A();}
}
class FactoryB:AbstractFactory
{
    public override IProduct1 GetProduct1(){return new Product1B();}
    public override IProduct2 GetProduct2(){return new Product2B();}
}