35、面向对象设计模式之抽象工厂(Abstract Factory)设计模式

using System;
using System.Collections.Generic;
using System.Text;

namespace 抽象工厂模式
{
    //道路
    public abstract class Road
    {

    }
    //房屋
    public abstract class Building 
    {
    
    }
    //地道
    public abstract class Tunnel
    { 
    }
    //从林
    public abstract class Jungle
    { 
    }

    //道路
    public  class ModernRoad:Road
    {

    }
    //房屋
    public  class ModernBuilding:Building
    {

    }
    //地道
    public  class ModernTunnel:Tunnel
    {
    }
    //从林
    public  class ModernJungle:Jungle
    {
    }
    public abstract class FacilitiesFactory
    {
        public abstract Road CreateRoad();
        public abstract Building CreateBuilding();

        public abstract Tunnel CreateTunnel();

        public abstract Jungle CreateJungle();
    }
    public class ModernFacilitiesFactory : FacilitiesFactory
    {
        public override Building CreateBuilding()
        {
            return new ModernBuilding();
        }

        public override Jungle CreateJungle()
        {
            return new ModernJungle();;
        }

        public override Road CreateRoad()
        {
           return new ModernRoad();
        }

        public override Tunnel CreateTunnel()
        {
            return new ModernTunnel();
        }
    }
    //客户程序
    class GameManager
    {
        FacilitiesFactory facilitiesFactory;
        Road road;
        Building building;
        Tunnel tunnel;
        Jungle jungle;
        public GameManager(FacilitiesFactory facilitiesFactory)
        {
            this.facilitiesFactory = facilitiesFactory;
        }
        public void BuildGameFacilities()
        {
             road = facilitiesFactory.CreateRoad();
             building = facilitiesFactory.CreateBuilding();
             tunnel = facilitiesFactory.CreateTunnel();
             jungle = facilitiesFactory.CreateJungle();
        }

        public void Run() { 
        
        }
    }

    class Program
    {

        static void Main(string[] args)
        {
            GameManager gameManager = new GameManager(new ModernFacilitiesFactory());
            gameManager.Run();
        }
    }
}