X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fdemoscenemusic%2Fdata%2FTrack.java;h=32ae937ff9bc78dddac7448e16f55261272d8fc4;hb=bf68ec3a8e29824239452d18adc311362fc49755;hp=a1362db911d97c07695d750ae35145e44adbcacd;hpb=5fc0bbf713ccc5862e185ad47550dc2dcca2e7f9;p=demoscenemusic.git

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/Track.java b/src/main/java/net/pterodactylus/demoscenemusic/data/Track.java
index a1362db..32ae937 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/Track.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/Track.java
@@ -19,6 +19,7 @@ package net.pterodactylus.demoscenemusic.data;
 
 import java.util.Collection;
 import java.util.List;
+import java.util.Map;
 
 /**
  * Data interface for tracks.
@@ -28,6 +29,24 @@ import java.util.List;
 public interface Track extends Base {
 
 	/**
+	 * Defines relationships between tracks.
+	 *
+	 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+	 */
+	public enum Relationship {
+
+		/** The track is the original of a related track. */
+		original,
+
+		/** The track is a remix of a related track. */
+		remix,
+
+		/** The track is a cover version of a related track. */
+		cover,
+
+	}
+
+	/**
 	 * Returns the name of this track.
 	 *
 	 * @return The name of this track
@@ -110,4 +129,20 @@ public interface Track extends Base {
 	 */
 	public Track setRemixArtists(List<Artist> remixArtists);
 
+	/**
+	 * Returns all tracks that are somehow related to this track.
+	 *
+	 * @return All tracks that are related to this track
+	 */
+	public Map<Relationship, Collection<Track>> getRelatedTracks();
+
+	/**
+	 * Sets all related tracks.
+	 *
+	 * @param relatedTracks
+	 *            All related tracks
+	 * @return This track
+	 */
+	public Track setRelatedTracks(Map<Relationship, Collection<Track>> relatedTracks);
+
 }