facade外观模式

package com.disign.facade;

/**
 * Created by zhen on 2017-05-18.
 */
public class TestStock {
    public void run1(){
        Stock1 gu1 = new Stock1();
        Stock2 gu2 = new Stock2();
        Stock3 gu3 = new Stock3();

        gu1.buy();
        gu2.buy();
        gu3.buy();

        gu1.sell();
        gu2.sell();
        gu3.sell();
    }
    
    public void run2(){
        Fund fund = new Fund();
        fund.buyFund();
        fund.sellFund();
    }
}
interface transaction{
    public void sell();
    public void buy();
}
class Stock1 implements  transaction{
    public void sell(){

    }
    public void buy(){

    }
}
class Stock2 implements  transaction{
    public void sell(){

    }
    public void buy(){

    }
}
class Stock3 implements  transaction{
    public void sell(){

    }
    public void buy(){

    }
}

class Fund{
    Stock1 gu1;
    Stock2 gu2;
    Stock3 gu3;
    public void Fund(){
        gu1 = new Stock1();
        gu2 = new Stock2();
        gu3 = new Stock3();
    }
    public void buyFund(){
        gu1.buy();
        gu2.buy();
        gu3.buy();
    }
    public void sellFund(){
        gu1.sell();
        gu2.sell();
        gu3.sell();
    }
}

package com.disign.facade;

/**
 * Created by zhen on 2017-05-18.
 */
public class TestFacade {
    public static void main(String[] args){
        Facade facade = new Facade();
        facade.methodA();
        facade.methodB();
    }
}
class SubSystemOne{
    public void methodOne(){

    }
}
class SubSystemTwo{
    public void methodTwo(){

    }
}
class SubSystemThree{
    public void methodThree(){

    }
}
class SubSystemFour{
    public void methodFour(){

    }
}
class Facade{
    SubSystemOne one;
    SubSystemTwo two;
    SubSystemThree three;
    SubSystemFour four;

    public Facade(){
        this.one = new SubSystemOne();
        this.two = new SubSystemTwo();
        this.three = new SubSystemThree();
        this.four = new SubSystemFour();
    }

    public void methodA(){
        System.out.println("方法组A（）");
        one.methodOne();
        two.methodTwo();
        four.methodFour();
    }
    public void methodB(){
        System.out.println("方法组B（）");
        two.methodTwo();
        three.methodThree();
    }
}