23种设计模式java实现源码byhrh

package hrh.study.BehavioralMode.MediatorPattern; /** * 中介者模式 */ /** * 同事类接口 */ interface Light { void on(); void off(); void setMediator(LightMediator mediator); } /** * 具体同事类：客厅灯光 */ class LivingRoomLight implements Light { private LightMediator mediator; @Override public void on() { System.out.println("Living Room Light is ON"); } @Override public void off() { System.out.println("Living Room Light is OFF"); } @Override public void setMediator(LightMediator mediator) { this.mediator = mediator; } } /** * 具体同事类：厨房灯光 */ class KitchenLight implements Light { private LightMediator mediator; @Override public void on() { System.out.println("Kitchen Light is ON"); } @Override public void off() { System.out.println("Kitchen Light is OFF"); } @Override public void setMediator(LightMediator mediator) { this.mediator = mediator; } } /** * 中介者接口 */ interface LightMediator { void turnOn(Light light); void turnOff(Light light); } /** * 具体中介者类 */ class SimpleLightMediator implements LightMediator { @Override public void turnOn(Light light) { light.on(); } @Override public void turnOff(Light light) { light.off(); } } /** * 客户端代码 */ public class Client { public static void main(String[] args) { LightMediator mediator = new SimpleLightMediator(); Light livingRoomLight = new LivingRoomLight(); Light kitchenLight = new KitchenLight(); livingRoomLight.setMediator(mediator); kitchenLight.setMediator(mediator); mediator.turnOn(livingRoomLight); // 开启客厅灯光 mediator.turnOn(kitchenLight); // 开启厨房灯光 mediator.turnOff(livingRoomLight); // 关闭客厅灯光 mediator.turnOff(kitchenLight); // 关闭厨房灯光 } }