Added JsonLdUnionGraph Project: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/commit/ea48c83e Tree: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/tree/ea48c83e Diff: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/diff/ea48c83e
Branch: refs/heads/jsonld-java Commit: ea48c83efc02f0908868398742a4c90c903ab98c Parents: 1330627 Author: Stian Soiland-Reyes <st...@apache.org> Authored: Fri Sep 9 14:32:15 2016 +0100 Committer: Stian Soiland-Reyes <st...@apache.org> Committed: Fri Sep 9 14:32:15 2016 +0100 ---------------------------------------------------------------------- .../rdf/jsonldjava/JsonLdUnionGraph.java | 80 ++++++++++++++++++++ 1 file changed, 80 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/ea48c83e/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java ---------------------------------------------------------------------- diff --git a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java new file mode 100644 index 0000000..ce164c6 --- /dev/null +++ b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java @@ -0,0 +1,80 @@ +/** + * 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.stream.Stream; + +import org.apache.commons.rdf.api.BlankNodeOrIRI; +import org.apache.commons.rdf.api.Graph; +import org.apache.commons.rdf.api.IRI; +import org.apache.commons.rdf.api.RDFTerm; + +import com.github.jsonldjava.core.RDFDataset; + +public class JsonLdUnionGraph extends JsonLdGraphLike<org.apache.commons.rdf.api.Triple> implements Graph { + + JsonLdUnionGraph(String bnodePrefix) { + super(bnodePrefix); + } + + public JsonLdUnionGraph(RDFDataset rdfDataSet) { + super(rdfDataSet); + } + + JsonLdUnionGraph(RDFDataset rdfDataSet, String bnodePrefix) { + super(rdfDataSet, bnodePrefix); + } + + + @Override + public void add(BlankNodeOrIRI subject, IRI predicate, RDFTerm object) { + super.add(null, subject, predicate, object); + } + + @Override + public boolean contains(BlankNodeOrIRI subject, IRI predicate, RDFTerm object) { + return super.contains(null, subject, predicate, object); + } + + @Override + public void remove(BlankNodeOrIRI subject, IRI predicate, RDFTerm object) { + super.remove(null, subject, predicate, object); + } + + @Override + public Stream<JsonLdTriple> stream(BlankNodeOrIRI subject, IRI predicate, + RDFTerm object) { + return filteredGraphs(null) + .flatMap(List::stream) + .filter(quadFilter(subject, predicate, object)) + .map(factory::createTriple); + } + + @Override + JsonLdTriple asTripleOrQuad(com.github.jsonldjava.core.RDFDataset.Quad jsonldQuad) { + return factory.createTriple(jsonldQuad); + } + + @Override + public long size() { + // NOTE: Inefficient as we'll have remove duplicate triples :-( + return stream().distinct().count(); + } +} +
