设计模式学习笔记——建造者模式(Builder Pattern)

学习TerryLee的设计模式颇有感触，留下以下笔记以作日后参考。

    //-----------------------------------------------
    //创建者模式是处理一系列组合对象的创建，且这种组合方式是不同的。
    //-----------------------------------------------

    #region 产品

    public class Product
    {
        public List<string> SomeThing = new List<string>();
    }

    #endregion

    #region 产品的构造器

    public abstract class AbstractBuilder
    {
        public abstract void BildA();

        public abstract void BildB();

        public abstract void BildC();

        public abstract void BildD();

        public abstract Product BuilProduct();
    }

    public class ABuilder : AbstractBuilder
    {
        private Product product = new Product();

        public override void BildA()
        {
            product.SomeThing.Add("Aa");
        }

        public override void BildB()
        {
            product.SomeThing.Add("Ab");
        }

        public override void BildC()
        {
            product.SomeThing.Add("Ac");
        }

        public override void BildD()
        {
            product.SomeThing.Add("Ad");
        }

        public override Product BuilProduct()
        {
            return product;
        }
    }

    public class BBuilder : AbstractBuilder
    {
        private Product product = new Product();

        public override void BildA()
        {
            product.SomeThing.Add("Ba");
        }

        public override void BildB()
        {
            product.SomeThing.Add("Bb");
        }

        public override void BildC()
        {
            product.SomeThing.Add("Bc");
        }

        public override void BildD()
        {
            product.SomeThing.Add("Bd");
        }

        public override Product BuilProduct()
        {
            return product;
        }
    }

    #endregion

    #region 工厂

    public class ProductFactory
    {
        public Product CreateProduct(AbstractBuilder builder)
        {
            return builder.BuilProduct();
        }
    }

    #endregion

    #region 客户端

    public class App
    {
        public static void Main(string[] args)
        {
            ProductFactory factory = new ProductFactory();

            string strbuiderName = "ABuilder";

            AbstractBuilder buider;

            buider = (AbstractBuilder)Assembly.Load("FactoryMethod").CreateInstance("FactoryMethod." + strbuiderName);

            Product product = factory.CreateProduct(buider);
        }
    }

    #endregion