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https://issues.apache.org/jira/browse/COMMONSRDF-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15555526#comment-15555526
]
ASF GitHub Bot commented on COMMONSRDF-35:
------------------------------------------
Github user stain commented on a diff in the pull request:
https://github.com/apache/incubator-commonsrdf/pull/24#discussion_r82422322
--- Diff:
rdf4j/src/main/java/org/apache/commons/rdf/rdf4j/impl/AbstractRepositoryGraphLike.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.rdf4j.impl;
+
+import java.util.Optional;
+
+import org.apache.commons.rdf.api.BlankNodeOrIRI;
+import org.apache.commons.rdf.api.IRI;
+import org.apache.commons.rdf.api.RDFTerm;
+import org.apache.commons.rdf.api.TripleLike;
+import org.apache.commons.rdf.rdf4j.RDF4JGraphLike;
+import org.apache.commons.rdf.rdf4j.RDF4JTermFactory;
+import org.eclipse.rdf4j.model.Model;
+import org.eclipse.rdf4j.model.Statement;
+import org.eclipse.rdf4j.repository.Repository;
+import org.eclipse.rdf4j.repository.RepositoryConnection;
+
+public abstract class AbstractRepositoryGraphLike<T extends
TripleLike<BlankNodeOrIRI, IRI, RDFTerm>>
+ implements RDF4JGraphLike<T> {
+
+ protected Repository repository;
+ protected boolean includeInferred;
+ protected boolean shouldWeShutdown = false;
+ protected RDF4JTermFactory rdf4jTermFactory;
+
+ public AbstractRepositoryGraphLike(Repository repository) {
+ this(repository, false);
+ }
+
+ public AbstractRepositoryGraphLike(Repository repository, boolean
includeInferred) {
+ this.repository = repository;
+ this.includeInferred = includeInferred;
+ if (!repository.isInitialized()) {
+ repository.initialize();
+ shouldWeShutdown = true;
+ }
+ rdf4jTermFactory = new
RDF4JTermFactory(repository.getValueFactory());
+ }
+
+ @Override
+ public void close() throws Exception {
+ if (shouldWeShutdown) {
+ repository.shutDown();
+ }
+ // else: repository was initialized outside, so we should not
shut it
+ // down
+ }
+
+
+ protected abstract T asTripleLike(Statement s);
+
+ protected RepositoryConnection getRepositoryConnection() {
+ return repository.getConnection();
+ }
+
+ public Optional<Repository> asRepository() {
+ return Optional.of(repository);
+ }
+
+ @Override
+ public Optional<Model> asModel() {
+ return Optional.empty();
--- End diff --
I added to the javadoc that at least one of them will not be empty.
> rdf4j integration
> -----------------
>
> Key: COMMONSRDF-35
> URL: https://issues.apache.org/jira/browse/COMMONSRDF-35
> Project: Apache Commons RDF
> Issue Type: New Feature
> Reporter: Stian Soiland-Reyes
> Assignee: Stian Soiland-Reyes
> Labels: integration, rdf4j, sesame
> Fix For: 0.3.0
>
>
> Add a new rdf4j module with implementation for Eclipse rdf4j
> See https://github.com/apache/incubator-commonsrdf/tree/rdf4j/rdf4j
> A legacy sesame branch could then be added by mainly copy/paste and change
> the import
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