Add filter for Sones with at least one album.

diff --git a/src/main/java/net/pterodactylus/sone/data/Sone.java b/src/main/java/net/pterodactylus/sone/data/Sone.java
index 006765a..8b2ec2a 100644 (file)
--- a/src/main/java/net/pterodactylus/sone/data/Sone.java
+++ b/src/main/java/net/pterodactylus/sone/data/Sone.java
@@ -115,6 +115,15 @@ public class Sone implements Fingerprintable, Comparable<Sone> {
 
        };
 
+       /** Filter that matches Sones that have at least one album. */
+       public static final Filter<Sone> HAS_ALBUM_FILTER = new Filter<Sone>() {
+
+               @Override
+               public boolean filterObject(Sone sone) {
+                       return !sone.getAlbums().isEmpty();
+               }
+       };
+
        /** The logger. */
        private static final Logger logger = Logging.getLogger(Sone.class);