*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public interface Album extends Identified, Fingerprintable {
+public interface Album extends Fingerprintable {
/** Compares two {@link Album}s by {@link #getTitle()}. */
Comparator<Album> TITLE_COMPARATOR = new Comparator<Album>() {
* @return The ID of this album
*/
String getId();
+ String getInternalId();
/**
* Returns the Sone this album belongs to.
Album update() throws IllegalStateException;
+ class AlbumTitleMustNotBeEmpty extends IllegalStateException { }
+
}
}