* @throws PhotoAlbumException
*/
public void deleteImage(Image image) throws PhotoAlbumException {
Album parentAlbum = em.find(Album.class, image.getAlbum().getId());
try {
parentAlbum.removeImage(image);
em.merge(parentAlbum);
em.flush();
// the image will be sent in an event
image.setAlbum(parentAlbum);