/*
	Description:
	Author: Students in CS231
	Date: April 2003
 */
 
import java.io.Serializable;

public class MusicDataBase implements Serializable {
    AlbumList albums = new AlbumList();
    ArtistList artists = new ArtistList();
    
    public void addArtist(Artist a) {
        artists.addArtist(a);
    }
    
    public void addAlbum(Album a) {
        albums.addAlbum(a);
    }
    
    public Artist getArtist(String name) {       
        return artists.getArtist(name);
    }
    
    public Artist deleteArtist(String name) {
        Artist a = artists.deleteArtist(name);
        if (a != null)  albums.deleteArtist(a);
        return a;
    }
    
    public String toString() {
        return  "Database contains:\n " + artists.longToString() + 
                   albums.longToString();
    }
}