import net.pterodactylus.util.database.ObjectCreator;
import net.pterodactylus.util.database.ObjectCreator.StringCreator;
import net.pterodactylus.util.database.OrderField;
+import net.pterodactylus.util.database.Parameter.IntegerParameter;
import net.pterodactylus.util.database.Parameter.StringParameter;
import net.pterodactylus.util.database.Query;
import net.pterodactylus.util.database.Query.Type;
@SuppressWarnings("synthetic-access")
private final ObjectCreator<Style> styleCreator = new StyleCreator();
+ /** The party object creator. */
+ @SuppressWarnings("synthetic-access")
+ private final ObjectCreator<Party> partyCreator = new PartyCreator();
+
/** The {@link User} object creator. */
@SuppressWarnings("synthetic-access")
private final ObjectCreator<User> userCreator = new UserCreator();
Query query = new Query(Type.SELECT, "TRACKS");
query.addField(new Field("TRACKS.*"));
query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACKS.ID", new StringParameter(id))));
- return database.getSingle(query, trackCreator);
+ return loadTrackProperties(database.getSingle(query, trackCreator));
+ }
+
+ /**
+ * Returns the track that contains the derivative with the given ID.
+ *
+ * @param id
+ * The ID of the track derivative
+ * @return The track the derivative belongs to, or {@code null} if there is
+ * no such track
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Track getTrackByDerivativeId(String id) throws DatabaseException {
+ Query query = new Query(Type.SELECT, "TRACKS");
+ query.addField(new Field("TRACKS.*"));
+ query.addJoin(new Join(JoinType.INNER, "TRACK_DERIVATIVES", new Field("TRACK_DERIVATIVES.TRACK"), new Field("TRACKS.ID")));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_DERIVATIVES.ID", new StringParameter(id))));
+ return loadTrackProperties(database.getSingle(query, trackCreator));
}
/**
query.addField(new Field("TRACKS.*"));
query.addJoin(new Join(JoinType.INNER, "TRACK_ARTISTS", new Field("TRACKS.ID"), new Field("TRACK_ARTISTS.TRACK")));
query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_ARTISTS.ARTIST", new StringParameter(artistId))));
- return database.getMultiple(query, trackCreator);
+ return loadTrackProperties(database.getMultiple(query, trackCreator));
+ }
+
+ /**
+ * Returns all tracks that were released at the party with the given ID.
+ *
+ * @param partyId
+ * The ID of the party
+ * @return All tracks that were released at the given party
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Collection<Track> getTracksByParty(String partyId) throws DatabaseException {
+ Query query = new Query(Type.SELECT, "TRACKS");
+ query.addField(new Field("TRACKS.*"));
+ query.addJoin(new Join(JoinType.INNER, "PARTY_TRACKS", new Field("PARTY_TRACKS.TRACK"), new Field("TRACKS.ID")));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("PARTY_TRACKS.PARTY", new StringParameter(partyId))));
+ return loadTrackProperties(database.getMultiple(query, trackCreator));
+ }
+
+ /**
+ * Loads the properties for the given track.
+ *
+ * @param track
+ * The track for which to load the properties
+ * @return The track with the properties loaded
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Track loadTrackProperties(Track track) throws DatabaseException {
+ return loadProperties(track, "TRACK_PROPERTIES", "TRACK");
+ }
+
+ /**
+ * Loads the properties for the given tracks.
+ *
+ * @param tracks
+ * The tracks for which to load the properties
+ * @return The tracks with the properties loaded
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public List<Track> loadTrackProperties(List<Track> tracks) throws DatabaseException {
+ for (Track track : tracks) {
+ loadTrackProperties(track);
+ }
+ return tracks;
+ }
+
+ /**
+ * Creates a new track with the given name.
+ *
+ * @param name
+ * The name of the track
+ * @return The created track
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Track createTrack(String name) throws DatabaseException {
+ Query query = new Query(Type.INSERT, "TRACKS");
+ String id = UUID.randomUUID().toString();
+ query.addValueField(new ValueField("ID", new StringParameter(id)));
+ query.addValueField(new ValueField("NAME", new StringParameter(name)));
+ database.insert(query);
+ return getTrackById(id);
+ }
+
+ /**
+ * Saves the given track. This also saves all relationships of the track.
+ *
+ * @param track
+ * The track to save
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public void saveTrack(Track track) throws DatabaseException {
+ Query query = new Query(Type.UPDATE, "TRACKS");
+ query.addValueField(new ValueField("TRACKS.NAME", new StringParameter(track.getName())));
+ query.addValueField(new ValueField("TRACKS.REMIX", new StringParameter(track.getRemix())));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACKS.ID", new StringParameter(track.getId()))));
+ database.update(query);
+ /* store artist information. */
+ track.getArtists(); /* prefetch artists. */
+ query = new Query(Type.DELETE, "TRACK_ARTISTS");
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_ARTISTS.TRACK", new StringParameter(track.getId()))));
+ database.update(query);
+ for (int index = 0; index < track.getArtists().size(); ++index) {
+ query = new Query(Type.INSERT, "TRACK_ARTISTS");
+ query.addValueField(new ValueField("TRACK_ARTISTS.TRACK", new StringParameter(track.getId())));
+ query.addValueField(new ValueField("TRACK_ARTISTS.ARTIST", new StringParameter(track.getArtists().get(index).getId())));
+ query.addValueField(new ValueField("TRACK_ARTISTS.DISPLAY_ORDER", new IntegerParameter(index + 1)));
+ database.insert(query);
+ }
+ /* store properties. */
+ saveProperties(track.getProperties(), "TRACK_PROPERTIES", "TRACK", track.getId());
}
/**
/**
* Returns the derivatives for the given track.
*
- * @param track
- * The track to get the derivatives for
+ * @param trackId
+ * The track ID to get the derivatives for
* @return The derivatives for the given track
* @throws DatabaseException
* if a database error occurs
*/
- public Collection<TrackDerivative> getTrackDerivativesByTrack(Track track) throws DatabaseException {
+ public Collection<TrackDerivative> getTrackDerivativesByTrack(String trackId) throws DatabaseException {
Query query = new Query(Type.SELECT, "TRACK_DERIVATIVES");
query.addField(new Field("TRACK_DERIVATIVES.*"));
- query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_DERIVATIVES.TRACK", new StringParameter(track.getId()))));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_DERIVATIVES.TRACK", new StringParameter(trackId))));
return loadTrackDerivativeProperties(database.getMultiple(query, trackDerivativeCreator));
}
}
/**
+ * Saves the given track derivative. As a track derivative does not have any
+ * attributes of its own only its properties are saved.
+ *
+ * @param trackDerivative
+ * The track derivative to save
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public void saveTrackDerivate(TrackDerivative trackDerivative) throws DatabaseException {
+ saveProperties(trackDerivative.getProperties(), "TRACK_DERIVATIVE_PROPERTIES", "TRACK_DERIVATIVE", trackDerivative.getId());
+ }
+
+ /**
+ * Removes the given track derivative and all its properties from the
+ * database.
+ *
+ * @param trackDerivative
+ * The track derivative to remove
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public void removeTrackDerivative(TrackDerivative trackDerivative) throws DatabaseException {
+ Query query = new Query(Type.DELETE, "TRACK_DERIVATIVES");
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("TRACK_DERIVATIVES.ID", new StringParameter(trackDerivative.getId()))));
+ database.update(query);
+ /* remove the properties. */
+ saveProperties(new Properties().set("dirty", "true").removeAll(), "TRACK_DERIVATIVE_PROPERTIES", "TRACK_DERIVATIVE", trackDerivative.getId());
+ }
+
+ /**
* Returns all groups the artist with the given ID belongs to.
*
* @param artistId
}
/**
+ * Returns all parties.
+ *
+ * @return All parties
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Collection<Party> getAllParties() throws DatabaseException {
+ Query query = new Query(Type.SELECT, "PARTIES");
+ query.addField(new Field("PARTIES.*"));
+ return loadPartyProperties(database.getMultiple(query, partyCreator));
+ }
+
+ /**
+ * Returns all parties that the track with the given ID was released at.
+ *
+ * @param trackId
+ * The ID of the track
+ * @return All parties the track was released at
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Collection<Party> getPartiesByTrackId(String trackId) throws DatabaseException {
+ Query query = new Query(Type.SELECT, "PARTIES");
+ query.addField(new Field("PARTIES.*"));
+ query.addJoin(new Join(JoinType.INNER, "PARTY_TRACKS", new Field("PARTY_TRACKS.PARTY"), new Field("PARTIES.ID")));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("PARTY_TRACKS.TRACK", new StringParameter(trackId))));
+ return loadPartyProperties(database.getMultiple(query, partyCreator));
+ }
+
+ /**
+ * Returns the party with the given ID.
+ *
+ * @param partyId
+ * The ID of the party
+ * @return The party with the given ID
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Party getPartyById(String partyId) throws DatabaseException {
+ Query query = new Query(Type.SELECT, "PARTIES");
+ query.addField(new Field("PARTIES.*"));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("PARTIES.ID", new StringParameter(partyId))));
+ return loadPartyProperties(database.getSingle(query, partyCreator));
+ }
+
+ /**
+ * Loads the properties of the given party.
+ *
+ * @param party
+ * The party to load the properties for
+ * @return The party with its properties loaded
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Party loadPartyProperties(Party party) throws DatabaseException {
+ return loadProperties(party, "PARTY_PROPERTIES", "PARTY");
+ }
+
+ /**
+ * Loads the properties of the given parties.
+ *
+ * @param parties
+ * The parties to load the properties for
+ * @return The parties with their properties loaded
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public List<Party> loadPartyProperties(List<Party> parties) throws DatabaseException {
+ for (Party party : parties) {
+ loadPartyProperties(party);
+ }
+ return parties;
+ }
+
+ /**
+ * Saves the given party.
+ *
+ * @param party
+ * The party to save
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public void saveParty(Party party) throws DatabaseException {
+ Query query = new Query(Type.UPDATE, "PARTIES");
+ query.addValueField(new ValueField("NAME", new StringParameter(party.getName())));
+ query.addWhereClause(new ValueFieldWhereClause(new ValueField("ID", new StringParameter(party.getId()))));
+ database.update(query);
+ savePartyProperties(party);
+ }
+
+ /**
+ * Saves the properties of the given party.
+ *
+ * @param party
+ * The party whose properties to save
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public void savePartyProperties(Party party) throws DatabaseException {
+ saveProperties(party.getProperties(), "PARTY_PROPERTIES", "PARTY", party.getId());
+ }
+
+ /**
+ * Creates a new party with the given name.
+ *
+ * @param name
+ * The name of the party
+ * @return The new party
+ * @throws DatabaseException
+ * if a database error occurs
+ */
+ public Party createParty(String name) throws DatabaseException {
+ Query query = new Query(Type.INSERT, "PARTIES");
+ String id = UUID.randomUUID().toString();
+ query.addValueField(new ValueField("ID", new StringParameter(id)));
+ query.addValueField(new ValueField("NAME", new StringParameter(name)));
+ database.insert(query);
+ return getPartyById(id);
+ }
+
+ /**
* Returns the user with the given name.
*
* @param username
/** Memoizer for the tracks by this artist. */
private final Memoizer<Void> tracksMemoizer = new Memoizer<Void>(new Callable<Void>() {
+
@Override
public Void call() throws DatabaseException {
if (!hasValue("tracks")) {
@Override
public Void call() throws Exception {
if (!hasValue("derivatives")) {
- getValue("derivatives", Collection.class).set(getTrackDerivativesByTrack(LazyTrack.this));
+ getValue("derivatives", Collection.class).set(getTrackDerivativesByTrack(getId()));
}
return null;
}
}
return null;
}
+
});
/**
return super.getRelatedTracks();
}
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Collection<Party> getParties() {
+ if (!hasValue("parties")) {
+ try {
+ getValue("parties", Collection.class).set(getPartiesByTrackId(getId()));
+ } catch (DatabaseException de1) {
+ throw new RuntimeException("Could not load Parties for Track " + getId() + ".", de1);
+ }
+ }
+ return super.getParties();
+ }
+
}
/**
}
/**
+ * {@link Party} implementation that loads additional information only on
+ * demand.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private class LazyParty extends DefaultParty {
+
+ /**
+ * Creates a new party.
+ *
+ * @param id
+ * The ID of the party
+ */
+ public LazyParty(String id) {
+ super(id);
+ }
+
+ //
+ // PARTY METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Collection<Track> getReleases() {
+ if (!hasValue("releases")) {
+ try {
+ getValue("releases", Collection.class).set(getTracksByParty(getId()));
+ } catch (DatabaseException de1) {
+ throw new RuntimeException("Could not loaded Tracks for Party " + getId() + ".", de1);
+ }
+ }
+ return super.getReleases();
+ }
+
+ }
+
+ /**
+ * {@link ObjectCreator} implementation that can create {@link Party}
+ * objects.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+ private class PartyCreator implements ObjectCreator<Party> {
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Party createObject(ResultSet resultSet) throws SQLException {
+ return new LazyParty(resultSet.getString("PARTIES.ID")).setName(resultSet.getString("PARTIES.NAME"));
+ }
+
+ }
+
+ /**
* {@link User} implementation that retrieves some attributes (such as
* {@link #getOpenIds()}) from the {@link DataManager} on demand.
*
projects / demoscenemusic.git / blobdiff