- public Album(Sone sone) {
- this(UUID.randomUUID().toString(), sone);
- }
-
- /**
- * Creates a new album with the given ID.
- *
- * @param id
- * The ID of the album
- * @param sone
- * The Sone this album belongs to
- */
- public Album(String id, Sone sone) {
- Validation.begin().isNotNull("Album ID", id).isNotNull("Album Owner", sone).check();
- this.id = id;
- this.sone = sone;
- }
-
- //
- // ACCESSORS
- //
+ Predicate<Album> NOT_EMPTY = new Predicate<Album>() {
+
+ @Override
+ public boolean apply(Album album) {
+ /* so, we flatten all albums below the given one and check whether at least one album… */
+ return FluentIterable.from(asList(album)).transformAndConcat(FLATTENER).anyMatch(new Predicate<Album>() {
+
+ @Override
+ public boolean apply(Album album) {
+ /* …contains any inserted images. */
+ return !album.getImages().isEmpty() && FluentIterable.from(album.getImages()).allMatch(new Predicate<Image>() {
+
+ @Override
+ public boolean apply(Image input) {
+ return input.isInserted();
+ }
+ });
+ }
+ });
+ }
+ };