playlist.java

来自「designpatterns for aop」· Java 代码 · 共 34 行

package designpatterns.observer.aspectj;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;


public class Playlist implements Playable {

	private String name;
	private List songs = new ArrayList();
	
	public Playlist(String name) {
		super();
		this.name = name;
	}

	public void setSongs(List songs) {
		this.songs = songs;
	}
	
	public void play() {
		System.out.println("playing playlist " + getName());
		for (Iterator iter = songs.iterator(); iter.hasNext();) {
			Song song = (Song) iter.next();
			song.play();
		}
	}

	public String getName() {
		return name;
	}
	
}