@Test
public void testSequenceIdGenerationInJTA() throws Exception {
getTransactionManager().begin();
final EntityManager em = getFactory().createEntityManager();
Song firstSong = new Song();
firstSong.setSinger("Charlotte Church");
firstSong.setTitle("Ave Maria");
em.persist(firstSong);
Song secondSong = new Song();
secondSong.setSinger("Charlotte Church");
secondSong.setTitle("Flower Duet");
em.persist(secondSong);
Actor firstActor = new Actor();
firstActor.setName("Russell Crowe");
firstActor.setBestMovieTitle("Gladiator");
em.persist(firstActor);
Actor secondActor = new Actor();
secondActor.setName("Johnny Depp");
secondActor.setBestMovieTitle("Pirates of the Caribbean");
em.persist(secondActor);
getTransactionManager().commit();
em.clear();
getTransactionManager().begin();
firstSong = em.find(Song.class, firstSong.getId());
assertThat(firstSong).isNotNull();
assertThat(firstSong.getId()).isEqualTo(Song.INITIAL_VALUE);
assertThat(firstSong.getTitle()).isEqualTo("Ave Maria");
em.remove(firstSong);
secondSong = em.find(Song.class, secondSong.getId());
assertThat(secondSong).isNotNull();
assertThat(secondSong.getId()).isEqualTo(Song.INITIAL_VALUE + 1);
assertThat(secondSong.getTitle()).isEqualTo("Flower Duet");
em.remove(secondSong);
firstActor = em.find(Actor.class, firstActor.getId());
assertThat(firstActor).isNotNull();
assertThat(firstActor.getId()).isEqualTo(Actor.INITIAL_VALUE);
assertThat(firstActor.getName()).isEqualTo("Russell Crowe");
em.remove(firstActor);
secondActor = em.find(Actor.class, secondActor.getId());
assertThat(secondActor).isNotNull();
assertThat(secondActor.getId()).isEqualTo(Actor.INITIAL_VALUE + 1);
assertThat(secondActor.getName()).isEqualTo("Johnny Depp");
em.remove(secondActor);
getTransactionManager().commit();
em.close();
}
/** Description: Sends a song rating to the remote server. */
public void rate(Song song, boolean rating)
throws RPCException, IOException, HttpResponseException, Exception {
Map<String, Object> feedback_params = new HashMap<String, Object>(2);
feedback_params.put("trackToken", song.getId());
feedback_params.put("isPositive", rating);
this.doCall("station.addFeedback", feedback_params, false, true, null);
}
public void playSong() {
// play a song
player.reset();
Song playSong = songs.get(songPosition);
songTitle = playSong.getTitle();
long currSong = playSong.getId();
// set Uri
Uri trackUri =
ContentUris.withAppendedId(MediaStore.Audio.Media.EXTERNAL_CONTENT_URI, currSong);
try {
player.setDataSource(getApplicationContext(), trackUri);
} catch (Exception e) {
Log.e("MUSIC SERVICE", "Error setting data source", e);
}
player.prepareAsync();
}
public void addSong(Song song) {
addChild(Long.toString(song.getId()), song);
song.setParent(this);
}
