对设计模式—Abstract Factory模式的认识-优快云博客

本文通过一个生动的例子介绍了抽象工厂模式的应用。它展示了如何利用抽象工厂模式来创建一系列相关或相互依赖的对象，而无需指定它们具体的类。通过这个模式，客户端可以在不指定产品具体类型的情况下创建多个产品族中的产品对象。

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现在公司搬家了，吃饭都成了问题，每次得跑到外面去吃，走到一个小吃店都不知道吃什么，只好点了个盖交饭．其实厨房就相当与Factory ，你想吃什么就给你炒什么．


public interface Vegetables
{
    public void cooking();
}

public class MeatVegetables implements  Vegetables
{
    public void cooking()
    {
      System.out.println("Cooking Meat and Vegetables");
    }
}

public class PastaVegetables implements  Vegetables
{
    public void cooking()
    {
      System.out.println("Cooking Pasta and Vegetables");
    }
}

public interface Noodle
{
    public void cooking();
}

public class  MeatNoodle implements Noodle
{
    public void cooking()
    {
       System.out.println("Meat and Noodle");  
    }
}

public class  VegetablesNoodle implements Noodle
{
    public void cooking()
    {
        System.out.println("Vegetables and Noodle");
    }

} 
public interface Buyer
{   
    //
    public Vegetables buyVegetables(Vegetables whichVegetables);

    public Noodle  buyNoodle(Noodle whichNoodle);
}

public  class WageWorker implements Buyer
{
     public Vegetables buyVegetables(Vegetables whichVegetables)
     {
         return  whichVegetables;
     }

     public Noodle buyNoodle(Noodle whichNoodle)
     {
        return   whichNoodle;
     }
}

public class TestVegetables
{
    public static void main(String[]args)
    { 
        //MeatVegetables Instance
        Vegetables meatVegetables = new MeatVegetables(); 
        //PastaVegetables  Instance
        Vegetables pastaVegetables = new PastaVegetables(); 
        //MeatNoodle  Instance
        Noodle meatNoodle = new  MeatNoodle();
        //VegetablesNoodle  Instance
        Noodle vegetablesNoodle = new VegetablesNoodle();
        //Custom Instance
        Buyer  custom = new WageWorker();
        //Choice meatVegetables 
        custom.buyVegetables(meatVegetables ).cooking();
        //Choice pastaVegetables  
        custom.buyVegetables(pastaVegetables).cooking();
        //Choice meatNoodle
        custom.buyNoodle(meatNoodle).cooking();
        //Choice vegetablesNoodle
        custom.buyNoodle(vegetablesNoodle).cooking();  
    }
}