001/*
002 * Licensed to DuraSpace under one or more contributor license agreements.
003 * See the NOTICE file distributed with this work for additional information
004 * regarding copyright ownership.
005 *
006 * DuraSpace licenses this file to you under the Apache License,
007 * Version 2.0 (the "License"); you may not use this file except in
008 * compliance with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.fcrepo.kernel.modeshape.rdf.impl;
019
020import com.hp.hpl.jena.rdf.model.Resource;
021import org.fcrepo.kernel.api.models.FedoraResource;
022import org.fcrepo.kernel.api.identifiers.IdentifierConverter;
023import org.slf4j.Logger;
024
025import javax.jcr.RepositoryException;
026
027import static java.util.stream.Stream.of;
028import static com.hp.hpl.jena.graph.Triple.create;
029import static org.fcrepo.kernel.api.RdfLexicon.HAS_PARENT;
030import static org.fcrepo.kernel.modeshape.FedoraJcrConstants.VERSIONABLE;
031import static org.fcrepo.kernel.modeshape.utils.FedoraTypesUtils.getJcrNode;
032import static org.slf4j.LoggerFactory.getLogger;
033
034/**
035 * @author cabeer
036 * @author ajs6f
037 * @since 9/16/14
038 */
039public class ParentRdfContext extends NodeRdfContext {
040
041    private static final Logger LOGGER = getLogger(ParentRdfContext.class);
042
043    /**
044     * Default constructor.
045     *
046     * @param resource the resource
047     * @param idTranslator the id translator
048     * @throws javax.jcr.RepositoryException if repository exception occurred
049     */
050    public ParentRdfContext(final FedoraResource resource,
051                            final IdentifierConverter<Resource, FedoraResource> idTranslator)
052            throws RepositoryException {
053        super(resource, idTranslator);
054
055        if (getJcrNode(resource).getDepth() > 0) {
056            LOGGER.trace("Determined that this resource has a parent.");
057            // The parent node of a frozen node for a versionable resource is not a node we want to link to because it
058            // is in the jcr:system space
059            if (!resource().isFrozenResource() || !resource().getUnfrozenResource().hasType(VERSIONABLE)) {
060                concat(of(create(subject(), HAS_PARENT.asNode(), uriFor(resource().getContainer()))));
061            }
062        }
063    }
064}