Mediator Pattern

Java

by techbard 2016. 7. 18. 19:11

# IMediator.java

public interface IMediator {

public abstract void play();
public abstract void eat();
public abstract void talk();
}

# CommonUnit.java

public abstract class CommonUnit {
IMediator mediator;

public void setMediator(IMediator mediator) {
this.mediator = mediator;
}

public abstract void run();
}

# Unit01.java

public class Unit01 extends CommonUnit {

@Override
public void run() {
mediator.eat();
mediator.play();
}
}

# Unit02.java

public class Unit02 extends CommonUnit {

@Override
public void run() {
mediator.talk();
mediator.eat();
}
}

# ConcreteMediator.java

public class ConcreteMediator implements IMediator {

@Override
public void play() {
System.out.println("playing...");
}

@Override
public void eat() {
System.out.println("eating...");
}

@Override
public void talk() {
System.out.println("talking...");
}
}

# Main.java

public class Main {

public static void main(String[] args) {
Unit01 unit01 = new Unit01();

ConcreteMediator concreteMediator = new ConcreteMediator();
unit01.setMediator(concreteMediator);
unit01.run();

System.out.println("====================");

Unit02 unit02 = new Unit02();
unit02.setMediator(concreteMediator);
unit02.run();
}
}