001/**
002 * Copyright 2015 DuraSpace, Inc.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.fcrepo.kernel.modeshape.rdf;
017
018import static com.hp.hpl.jena.rdf.model.ModelFactory.createDefaultModel;
019import static org.fcrepo.kernel.api.RdfLexicon.isManagedNamespace;
020import static org.fcrepo.kernel.api.RdfLexicon.isManagedPredicate;
021
022import java.util.function.Predicate;
023
024import com.hp.hpl.jena.graph.Triple;
025import com.hp.hpl.jena.rdf.model.Model;
026import com.hp.hpl.jena.rdf.model.Resource;
027
028/**
029 * {@link Predicate}s for determining when RDF is managed by the repository.
030 *
031 * @author ajs6f
032 * @since Oct 23, 2013
033 */
034public final class ManagedRdf {
035
036    private static final Model model = createDefaultModel();
037
038    /**
039     * No public constructor on utility class
040     */
041    private ManagedRdf() {
042    }
043
044    public static final Predicate<Triple> isManagedTriple =
045        p -> isManagedPredicate.test(model.asStatement(p).getPredicate());
046
047    public static final Predicate<Resource> isManagedMixin =
048        p -> isManagedNamespace.test(p.getNameSpace());
049}