[ 
https://issues.apache.org/jira/browse/COMMONSRDF-33?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15532947#comment-15532947
 ] 

ASF GitHub Bot commented on COMMONSRDF-33:
------------------------------------------

Github user stain commented on a diff in the pull request:

    https://github.com/apache/incubator-commonsrdf/pull/23#discussion_r81150786
  
    --- Diff: jena/src/main/java/org/apache/commons/rdf/jena/JenaRDFTerm.java 
---
    @@ -0,0 +1,27 @@
    +/**
    + * 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.jena;
    +
    +import org.apache.commons.rdf.api.RDFTerm;
    +import org.apache.jena.graph.Node;
    +
    +/** Access the Jena node backing this object */
    +public interface JenaRDFTerm extends RDFTerm {
    --- End diff --
    
    Yeah.. I didn't initially see the big win for that, as you would typically 
have to do `instanceof JenaBlankNode` etc. anyway in most cases - but I agree 
that is safer, and would avoid an anti-pattern like:
    
    ```
    RDFTerm term; // ..
    if (term instance of JenaBlankNode) {
    JenaBlankNode bnode = (JenaBlankNode)term;
    
    // anti-pattern - can't know this for sure:
    Node_URI uri = (Node_URI)bnode.asJenaNode();
    }
    ```


> Jena integration
> ----------------
>
>                 Key: COMMONSRDF-33
>                 URL: https://issues.apache.org/jira/browse/COMMONSRDF-33
>             Project: Apache Commons RDF
>          Issue Type: New Feature
>            Reporter: Stian Soiland-Reyes
>            Assignee: Stian Soiland-Reyes
>             Fix For: 0.3.0
>
>
> Add a new jena/ module with implementations mapping to Jena 3.x
> Based on JENA-1015, https://github.com/afs/commonsrdf-jena and 
> https://github.com/stain/incubator-commonsrdf/tree/jena



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