Class ActicatedAlbum:
public class ActivatedAlbum implements Persistable {

	private String albumID;
	private String albumKey;

	public ActivatedAlbum(String albumID, String albumKey){
		this.albumID = CommonUtils.getMD5(albumID);
		this.albumKey = albumKey;
	}

	public String getAlbumID(){
		return albumID;
	}

	public String getAlbumKey(){
		return albumKey;
	}

}

Untuk menyimpan di PersistentStore, gunakan method ini:
public void addActivatedAlbum(ActivatedAlbum album){
		PersistentObject po = PersistentStore.getPersistentObject(LITE_AUDIO_PLAYER_ALBUM);

		synchronized (po) {
			list.addElement(album);
			po.setContents(list);
			po.commit();
		}
	}