/*
* Licensed to DuraSpace under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership.
*
* DuraSpace 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.fcrepo.kernel.modeshape.rdf.impl;
import org.apache.jena.rdf.model.Resource;
import org.fcrepo.kernel.api.models.FedoraResource;
import org.fcrepo.kernel.api.identifiers.IdentifierConverter;
import org.slf4j.Logger;
import javax.jcr.RepositoryException;
import static org.apache.jena.graph.Triple.create;
import static org.fcrepo.kernel.api.RdfLexicon.CONTAINS;
import static org.fcrepo.kernel.modeshape.utils.FedoraTypesUtils.getJcrNode;
import static org.slf4j.LoggerFactory.getLogger;
/**
* @author cabeer
* @author ajs6f
* @since 9/16/14
*/
public class ChildrenRdfContext extends NodeRdfContext {
private static final Logger LOGGER = getLogger(ChildrenRdfContext.class);
/**
* Default constructor.
*
* @param resource the resource
* @param idTranslator the idTranslator
* @throws javax.jcr.RepositoryException if repository exception occurred
*/
public ChildrenRdfContext(final FedoraResource resource,
final IdentifierConverter<Resource, FedoraResource> idTranslator)
throws RepositoryException {
super(resource, idTranslator);
if (getJcrNode(resource).hasNodes()) {
LOGGER.trace("Found children of this resource: {}", resource.getPath());
concat(resource().getChildren().peek(child -> LOGGER.trace("Creating triple for child node: {}", child))
.map(child -> create(subject(), CONTAINS.asNode(), uriFor(child.getDescribedResource()))));
}
}
}