23种设计模式+额外常用设计模式汇总 (持续更新)
用一个中介对象来封装一系列的对象交互。中介者使各对象不需要显式的相互引用,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 中介者模式
//抽象同事类
public abstract class Colleague
{
protected Mediator mediator;
public Colleague(Mediator mediator)
{
this.mediator = mediator;
}
}
package 中介者模式
public abstract class Mediator
{
public abstract void Send(string message, Colleague colleague);
}
package 中介者模式
//具体同事类
public class ConcreteColleague1 extends Colleague
{
public ConcreteColleague1(Mediator mediator) { super( mediator);}
public void Send(string message)
{
mediator.Send(message, this);
}
public void Notify(string message)
{
System.out.println ("同事1得到信息:" + message);
}
}
public class ConcreteColleague2 extends Colleague
{
public ConcreteColleague2(Mediator mediator) { super( mediator);}
public void Send(string message)
{
mediator.Send(message, this);
}
public void Notify(string message)
{
System.out.println ("同事1得到信息:" + message);
}
}
//具体中介者类
public class ConcreteMediator extends Mediator
{
private ConcreteColleague1 colleague1;
private ConcreteColleague2 colleague2;
public setColleague1(ConcreteColleague1 Colleague1)
{
this.Colleague1=Colleague1;
}
public setColleague1(ConcreteColleague2 Colleague2)
{
this.Colleague2=Colleague2;
}
public override void Send(string message, Colleague colleague)
{
if(colleague==colleague1)
{
colleague2.Notify(message);
}
else
{
colleague1.Notify(message);
}
}
}
public class Program
{
public static void Main(string[] args)
{
ConcreteMediator m = new ConcreteMediator();
ConcreteColleague1 c1=new ConcreteColleague1(m);
ConcreteColleague2 c2 = new ConcreteColleague2(m);
m.Colleague1 = c1;
m.Colleague2 = c2;
c1.Send("XXXXXXX");
c2.Send("YYYYYYY");
Console.Read();
}
}
}