*
* @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
-public class Album implements Fingerprintable {
+public class Album implements Identified, Fingerprintable {
/** Compares two {@link Album}s by {@link #getTitle()}. */
public static final Comparator<Album> TITLE_COMPARATOR = new Comparator<Album>() {
}
};
+ /** Function that transforms an album into the images it contains. */
+ public static final Function<Album, List<Image>> IMAGES = new Function<Album, List<Image>>() {
+
+ @Override
+ public List<Image> apply(Album album) {
+ return album.getImages();
+ }
+ };
+
/**
* Filter that removes all albums that do not have any images in any album
* below it.
@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) {
- return !album.getImages().isEmpty();
+ /* …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();
+ }
+ });
}
});
}
public void addAlbum(Album album) {
checkNotNull(album, "album must not be null");
checkArgument(album.getSone().equals(sone), "album must belong to the same Sone as this album");
- checkState((this.parent == null) || (this.parent.equals(album.parent)), "album must not already be set to some other Sone");
album.setParent(this);
if (!albums.contains(album)) {
albums.add(album);
}
/**
+ * Returns whether this album is an identitiy’s root album.
+ *
+ * @return {@code true} if this album is an identity’s root album, {@code
+ * false} otherwise
+ */
+ public boolean isRoot() {
+ return parent == null;
+ }
+
+ /**
* Returns the parent album of this album.
*
* @return The parent album of this album, or {@code null} if this album