设计模式-门面模式

/**
 * 门面模式
 */
public class facadeTest {
    public static void main(String[] args) {
        new Client1().doSomething1();
        new Client2().doSomething1();
    }
}

class Client1 {
    Facade facade = new Facade();

    public void doSomething1(){
        facade.doSomethingFacade();
    }
}

class Client2 {
    Facade facade = new Facade();

    public void doSomething1(){
        facade.doSomethingFacade();
    }
}

class Facade {
    SubSystem1 subSystem1 = new SubSystem1();
    SubSystem2 subSystem2 = new SubSystem2();
    SubSystem3 subSystem3 = new SubSystem3();

    public void doSomethingFacade() {
        subSystem1.method1();
        subSystem2.method1();
        subSystem3.method1();
    }
}

class SubSystem1 {
    public void method1() {
        System.out.println("SubSystem1 excute");
    }
}

class SubSystem2 {
    public void method1() {
        System.out.println("SubSystem2 excute");
    }
}

class SubSystem3 {
    public void method1() {
        System.out.println("SubSystem3 excute");
    }
}