标签：this 中介 场景 rac custom images 并且 子类 ima
用一个中介对象来封装一系列的对象交互。中介者使各个对象不需要显式地相互引用，从而使其耦合松散，而且可以独立地改变它们之间的交互。
package com.roc.mediator;
/**
* 抽象中介者类
* @author liaowp
*
*/
public abstract class Mediator {
public abstract void send(String message,Colleague colleague);
}
package com.roc.mediator;
public class ConcreteMediator extends Mediator{
private Colleague1 colleague1;
private Colleague2 colleague2;
public void setColleague1(Colleague1 colleague1) {
this.colleague1 = colleague1;
}
public void setColleague2(Colleague2 colleague2) {
this.colleague2 = colleague2;
}
public void send(String message, Colleague colleague) {
if (colleague == colleague1) {
colleague2.Notify(message);
}else{
colleague1.Notify(message);
}
}
}
package com.roc.mediator;
/**
* 抽象同事类
* @author liaowp
*
*/
public abstract class Colleague {
protected Mediator mediator;
public Colleague(Mediator mediator){
this.mediator=mediator;
}
}
package com.roc.mediator;
public class Colleague1 extends Colleague{
public Colleague1(Mediator mediator) {
super(mediator);
}
public void send(String message){
mediator.send(message, this);
}
public void Notify(String message){
System.out.println("同事1得到消息:"+message);
}
}
package com.roc.mediator;
public class Colleague2 extends Colleague{
public Colleague2(Mediator mediator) {
super(mediator);
}
public void send(String message){
mediator.send(message, this);
}
public void Notify(String message){
System.out.println("同事2得到消息:"+message);
}
}
package com.roc.mediator;
/**
* 中介者模式
* @author liaowp
*
*/
public class Client {
public static void main(String[] args) {
ConcreteMediator mediator=new ConcreteMediator();
Colleague1 colleague1=new Colleague1(mediator);
Colleague2 colleague2=new Colleague2(mediator);
mediator.setColleague1(colleague1);
mediator.setColleague2(colleague2);
colleague1.send("最近还好吗？");
colleague2.send("还不错");
}
}
标签：this 中介 场景 rac custom images 并且 子类 ima
原文地址：http://www.cnblogs.com/zhengxingpeng/p/6664693.html
