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https://issues.apache.org/jira/browse/COMMONSRDF-35?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15555508#comment-15555508
]
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_r82421319
--- Diff:
rdf4j/src/main/java/org/apache/commons/rdf/rdf4j/impl/BlankNodeImpl.java ---
@@ -0,0 +1,93 @@
+/**
+ * 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.nio.charset.StandardCharsets;
+import java.util.UUID;
+
+import org.apache.commons.rdf.api.BlankNode;
+import org.apache.commons.rdf.rdf4j.RDF4JBlankNode;
+import org.eclipse.rdf4j.model.BNode;
+import org.eclipse.rdf4j.rio.turtle.TurtleUtil;
+
+public final class BlankNodeImpl extends AbstractRDFTerm<BNode>
+ implements RDF4JBlankNode {
+
+ private transient int hashCode = 0;
+ private long saltUUIDleast;
+ private long saltUUIDmost;
+
+ public BlankNodeImpl(BNode bNode, UUID salt) {
+ super(bNode);
+ // Space-efficient storage of salt UUID
+ saltUUIDmost = salt.getMostSignificantBits();
+ saltUUIDleast = salt.getLeastSignificantBits();
+ }
+
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ }
+ // NOTE: Do NOT use Bnode.equals() as it has a more generous
+ // equality based only on the value.getID();
+ if (obj instanceof BlankNode) {
+ BlankNode blankNode = (BlankNode) obj;
+ return
uniqueReference().equals(blankNode.uniqueReference());
+ }
+ return false;
+ }
+
+ @Override
+ public int hashCode() {
+ if (hashCode != 0) {
+ return hashCode;
+ }
+ return hashCode = uniqueReference().hashCode();
+ }
+
+ private boolean isValidBlankNodeLabel(String id) {
+ // FIXME: Replace with a regular expression?
--- End diff --
Raised as https://issues.apache.org/jira/browse/COMMONSRDF-43
> 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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