RepositoryRecord.java
/*
* *********************************************************************************************************************
*
* blueMarine II: Semantic Media Centre
* http://tidalwave.it/projects/bluemarine2
*
* Copyright (C) 2015 - 2021 by Tidalwave s.a.s. (http://tidalwave.it)
*
* *********************************************************************************************************************
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*
* *********************************************************************************************************************
*
* git clone https://bitbucket.org/tidalwave/bluemarine2-src
* git clone https://github.com/tidalwave-it/bluemarine2-src
*
* *********************************************************************************************************************
*/
package it.tidalwave.bluemarine2.model.impl.catalog;
import javax.annotation.Nonnull;
import javax.annotation.concurrent.Immutable;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.net.URL;
import org.eclipse.rdf4j.repository.Repository;
import org.eclipse.rdf4j.query.BindingSet;
import it.tidalwave.bluemarine2.model.audio.Record;
import it.tidalwave.bluemarine2.model.finder.audio.TrackFinder;
import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryOptimizedTrackFinder;
import it.tidalwave.bluemarine2.model.impl.catalog.finder.RepositoryRecordImageFinder;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
/***********************************************************************************************************************
*
* An implementation of {@link Record} that is mapped to a {@link Repository}.
*
* @stereotype Datum
*
* @author Fabrizio Giudici
*
**********************************************************************************************************************/
@Immutable @Getter @Slf4j
public class RepositoryRecord extends RepositoryEntitySupport implements Record
{
@Getter @Nonnull
private final Optional<Integer> diskNumber;
@Getter @Nonnull
private final Optional<Integer> diskCount;
@Getter @Nonnull
private final Optional<Integer> trackCount; // FIXME: should be used as a shortcut for queries
@Getter @Nonnull
private final Optional<String> asin;
@Getter @Nonnull
private final Optional<String> gtin;
public RepositoryRecord (@Nonnull final Repository repository, @Nonnull final BindingSet bindingSet)
{
super(repository, bindingSet, "record");
diskNumber = toInteger(bindingSet.getBinding("disk_number"));
diskCount = toInteger(bindingSet.getBinding("disk_count"));
trackCount = toInteger(bindingSet.getBinding("track_count"));
asin = toString(bindingSet.getBinding("asin"));
gtin = toString(bindingSet.getBinding("gtin"));
}
@Override @Nonnull
public TrackFinder findTracks()
{
return configured(new RepositoryOptimizedTrackFinder(repository, trackCount)).inRecord(this);
}
@Override @Nonnull
public Optional<URL> getImageUrl()
{
final List<? extends URL> imageUrls = new RepositoryRecordImageFinder(repository, this).results();
// FIXME: check - images are ordered by size
Collections.reverse(imageUrls);
return imageUrls.isEmpty() ? Optional.empty() : Optional.of(imageUrls.get(0));
}
@Override @Nonnull
public String toString()
{
return String.format("RepositoryRecord(rdfs:label=%s, %s)", rdfsLabel, id);
}
}