@Override
 public List<Playlist> findByHidden(final Account account, final boolean hidden) {
   return playlistDao.fetchByHidden(account, hidden);
 }
 @Override
 public Playlist findByPkey(final String playlistKey) {
   return playlistDao.fetchByPKey(playlistKey);
 }
 @Override
 public void delete(final Playlist playlist) {
   playlistDao.delete(playlist);
 }
 @Override
 public void update(final Playlist playlist) {
   playlistDao.update(playlist);
 }
 @Override
 public void insert(final Playlist playlist) {
   playlistDao.insert(playlist);
 }
 @Override
 public Playlist get(final String id) {
   return playlistDao.get(id);
 }
 @Override
 public List<Playlist> getAll(final Account account) {
   return playlistDao.getAll(account);
 }