🔥 Replace NOT_EMPTY with Kotlin version

[Sone.git] / src / main / java / net / pterodactylus / sone / data / Album.java

diff --git a/src/main/java/net/pterodactylus/sone/data/Album.java b/src/main/java/net/pterodactylus/sone/data/Album.java
index e7e422a..efaa470 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/Album.java
+++ b/src/main/java/net/pterodactylus/sone/data/Album.java
@@ -1,5 +1,5 @@
 /*
- * Sone - Album.java - Copyright © 2011–2016 David Roden
+ * Sone - Album.java - Copyright © 2011–2020 David Roden
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -22,7 +22,6 @@ import static java.util.Collections.emptyList;
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import javax.annotation.Nonnull;
 
@@ -36,15 +35,6 @@ import com.google.common.collect.ImmutableList;
  */
 public interface Album extends Identified, Fingerprintable {
 
-       /** Compares two {@link Album}s by {@link #getTitle()}. */
-       Comparator<Album> TITLE_COMPARATOR = new Comparator<Album>() {
-
-               @Override
-               public int compare(Album leftAlbum, Album rightAlbum) {
-                       return leftAlbum.getTitle().compareToIgnoreCase(rightAlbum.getTitle());
-               }
-       };
-
        /** Function that flattens the given album and all albums beneath it. */
        Function<Album, List<Album>> FLATTENER = new Function<Album, List<Album>>() {
 
@@ -54,7 +44,7 @@ public interface Album extends Identified, Fingerprintable {
                        if (album == null) {
                                return emptyList();
                        }
-                       List<Album> albums = new ArrayList<Album>();
+                       List<Album> albums = new ArrayList<>();
                        albums.add(album);
                        for (Album subAlbum : album.getAlbums()) {
                                albums.addAll(FluentIterable.from(ImmutableList.of(subAlbum)).transformAndConcat(FLATTENER).toList());
@@ -74,32 +64,6 @@ public interface Album extends Identified, Fingerprintable {
        };
 
        /**
-        * Filter that removes all albums that do not have any images in any album
-        * below it.
-        */
-       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();
-                                               }
-                                       });
-                               }
-                       });
-               }
-       };
-
-       /**
         * Returns the ID of this album.
         *
         * @return The ID of this album