X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fdemoscenemusic%2Fdata%2FDataManager.java;h=85f35faf3cea00034d17651c3a950e303584a9c1;hb=5f24f213aebba016708f1794d012d3e4189c487b;hp=928eebcf2223d0dfda7910443554792f8ef89494;hpb=f533deea6ecc3f1bd59ca8926c31dd7667ee572a;p=demoscenemusic.git

diff --git a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
index 928eebc..85f35fa 100644
--- a/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
+++ b/src/main/java/net/pterodactylus/demoscenemusic/data/DataManager.java
@@ -118,6 +118,14 @@ public class DataManager {
 		return trackLoader.all();
 	}
 
+	public Collection<Group> getGroupsByArtist(String artistId) throws DatabaseException {
+		Query query = new Query(Type.SELECT, "GROUPS");
+		query.addField(new Field("GROUPS.*"));
+		query.addJoin(new Join(JoinType.INNER, "GROUP_ARTISTS", new Field("GROUPS.ID"), new Field("GROUP_ARTISTS.GROUP_")));
+		query.addWhereClause(new ValueFieldWhereClause(new ValueField("GROUP_ARTISTS.ARTIST", new StringParameter(artistId))));
+		return database.getMultiple(query, DefaultGroup.CREATOR);
+	}
+
 	private class TrackLoader implements ResultProcessor {
 
 		private final List<Track> loadedTracks = new ArrayList<Track>();
@@ -185,7 +193,7 @@ public class DataManager {
 
 	private class LazyArtist extends DefaultArtist {
 
-		private final Memoizer<Void> tracks = new Memoizer<Void>(new Callable<Void>() {
+		private final Memoizer<Void> tracksMemoizer = new Memoizer<Void>(new Callable<Void>() {
 			public Void call() throws DatabaseException {
 				if (!hasValue("tracks")) {
 					value("tracks", Collection.class).set(getTracksByArtist(id()));
@@ -199,7 +207,7 @@ public class DataManager {
 		}
 
 		public Collection<Track> tracks() {
-			tracks.get();
+			tracksMemoizer.get();
 			return super.tracks();
 		}