1
2 package org.state4j.publishing;
3
4 import java.util.List;
5 import java.util.Vector;
6
7 public class ObserverImpl implements Observer {
8 private List<Publisher> publishers = new Vector<Publisher>();
9
10 public ObserverImpl() {}
11
12 public void notify(Publishable arg0) {}
13
14 public void addPublisher(Publisher arg0) {
15 this.publishers.add(arg0);
16 }
17
18 public void removePublisher(Publisher arg0) {
19 this.publishers.remove(arg0);
20 }
21 }