| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| */ |
| package org.apache.commons.rdf.jsonldjava; |
| |
| import java.util.List; |
| import java.util.Optional; |
| import java.util.function.Predicate; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import org.apache.commons.rdf.api.BlankNodeOrIRI; |
| import org.apache.commons.rdf.api.Dataset; |
| import org.apache.commons.rdf.api.Graph; |
| import org.apache.commons.rdf.api.IRI; |
| import org.apache.commons.rdf.api.Quad; |
| import org.apache.commons.rdf.api.RDFTerm; |
| |
| import com.github.jsonldjava.core.RDFDataset; |
| |
| public interface JsonLdDataset extends JsonLdGraphLike<org.apache.commons.rdf.api.Quad>, Dataset { |
| } |
| |
| class JsonLdDatasetImpl extends AbstractJsonLdGraphLike<org.apache.commons.rdf.api.Quad> implements JsonLdDataset { |
| |
| JsonLdDatasetImpl(final RDFDataset rdfDataSet) { |
| super(rdfDataSet); |
| } |
| |
| JsonLdDatasetImpl(final RDFDataset rdfDataset, final String bnodePrefix) { |
| super(rdfDataset, bnodePrefix); |
| } |
| |
| JsonLdDatasetImpl(final String bnodePrefix) { |
| super(bnodePrefix); |
| } |
| |
| @Override |
| public void add(final BlankNodeOrIRI graphName, final BlankNodeOrIRI subject, final IRI predicate, final RDFTerm object) { |
| super.add(graphName, subject, predicate, object); |
| } |
| |
| @Override |
| public boolean contains(final Optional<BlankNodeOrIRI> graphName, final BlankNodeOrIRI subject, final IRI predicate, final RDFTerm object) { |
| return super.contains(graphName, subject, predicate, object); |
| } |
| |
| @Override |
| public Graph getGraph() { |
| return new JsonLdGraphImpl(rdfDataSet, Optional.empty(), bnodePrefix); |
| } |
| |
| @Override |
| public Optional<Graph> getGraph(final BlankNodeOrIRI graphName) { |
| if (graphName == null) { |
| return Optional.of(getGraph()); |
| } |
| |
| return Optional.of(new JsonLdGraphImpl(rdfDataSet, Optional.of(graphName), bnodePrefix)); |
| } |
| |
| @Override |
| public Stream<BlankNodeOrIRI> getGraphNames() { |
| return rdfDataSet.graphNames().parallelStream().filter(Predicate.isEqual("@default").negate()) |
| .map(s -> s.startsWith("_:") ? new RDFDataset.BlankNode(s) : new RDFDataset.IRI(s)) |
| .map(n -> (BlankNodeOrIRI) factory.asRDFTerm(n)); |
| } |
| |
| @Override |
| public void remove(final Optional<BlankNodeOrIRI> graphName, final BlankNodeOrIRI subject, final IRI predicate, final RDFTerm object) { |
| super.remove(graphName, subject, predicate, object); |
| } |
| |
| @Override |
| public void remove(final Quad q) { |
| remove(q.getGraphName(), q.getSubject(), q.getPredicate(), q.getObject()); |
| } |
| |
| @Override |
| public Stream<? extends Quad> stream(final Optional<BlankNodeOrIRI> graphName, final BlankNodeOrIRI subject, final IRI predicate, |
| final RDFTerm object) { |
| return filteredGraphs(graphName).flatMap(List::stream).filter(quadFilter(subject, predicate, object)) |
| .map(factory::asQuad); |
| } |
| |
| @Override |
| public long size() { |
| return rdfDataSet.graphNames().stream().map(rdfDataSet::getQuads) |
| .collect(Collectors.summingLong(List::size)); |
| } |
| |
| @Override |
| Quad asTripleOrQuad(final com.github.jsonldjava.core.RDFDataset.Quad jsonldQuad) { |
| return factory.asQuad(jsonldQuad); |
| } |
| |
| } |