COMMONSRDF-36 JsonLd*Impl made package protected

Project: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/repo
Commit: 
http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/commit/492ea230
Tree: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/tree/492ea230
Diff: http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/diff/492ea230

Branch: refs/heads/jsonld-java
Commit: 492ea2302fe8503a07fd2fbf1cf115234945e315
Parents: 043a061
Author: Stian Soiland-Reyes <st...@apache.org>
Authored: Wed Sep 28 14:47:32 2016 +0100
Committer: Stian Soiland-Reyes <st...@apache.org>
Committed: Wed Sep 28 14:47:32 2016 +0100

----------------------------------------------------------------------
 .../commons/rdf/jsonldjava/JsonLdBlankNode.java |  2 +-
 .../commons/rdf/jsonldjava/JsonLdDataset.java   | 15 ++++++-----
 .../commons/rdf/jsonldjava/JsonLdGraph.java     | 12 ++++++---
 .../commons/rdf/jsonldjava/JsonLdGraphLike.java | 22 +++++++++++----
 .../commons/rdf/jsonldjava/JsonLdIRI.java       |  3 +--
 .../commons/rdf/jsonldjava/JsonLdLiteral.java   |  3 +--
 .../commons/rdf/jsonldjava/JsonLdQuad.java      |  7 ++---
 .../commons/rdf/jsonldjava/JsonLdQuadLike.java  |  2 +-
 .../rdf/jsonldjava/JsonLdRDFTermFactory.java    | 28 +++++++++-----------
 .../commons/rdf/jsonldjava/JsonLdTerm.java      |  3 ++-
 .../commons/rdf/jsonldjava/JsonLdTriple.java    |  5 ++--
 .../rdf/jsonldjava/JsonLdUnionGraph.java        | 12 +++++----
 12 files changed, 65 insertions(+), 49 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdBlankNode.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdBlankNode.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdBlankNode.java
index e54c894..b079c14 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdBlankNode.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdBlankNode.java
@@ -22,6 +22,7 @@ import org.apache.commons.rdf.api.BlankNode;
 import com.github.jsonldjava.core.RDFDataset.Node;
 
 public interface JsonLdBlankNode extends JsonLdTerm, BlankNode {
+}      
        
        final class JsonLdBlankNodeImpl extends JsonLdTermImpl implements 
JsonLdBlankNode {
                private String blankNodePrefix;
@@ -59,4 +60,3 @@ public interface JsonLdBlankNode extends JsonLdTerm, 
BlankNode {
                }
        }
 
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdDataset.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdDataset.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdDataset.java
index 55b9f3c..8774cdc 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdDataset.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdDataset.java
@@ -32,17 +32,20 @@ import org.apache.commons.rdf.api.RDFTerm;
 
 import com.github.jsonldjava.core.RDFDataset;
 
-public class JsonLdDataset extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Quad> implements Dataset {
+public interface JsonLdDataset extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Quad>, Dataset {
+}
+
+class JsonLdDatasetImpl extends 
AbstractJsonLdGraphLike<org.apache.commons.rdf.api.Quad> implements 
JsonLdDataset {
 
-       JsonLdDataset(RDFDataset rdfDataSet) {
+       JsonLdDatasetImpl(RDFDataset rdfDataSet) {
                super(rdfDataSet);
        }
 
-       JsonLdDataset(RDFDataset rdfDataset, String bnodePrefix) {
+       JsonLdDatasetImpl(RDFDataset rdfDataset, String bnodePrefix) {
                super(rdfDataset, bnodePrefix);
        }
 
-       JsonLdDataset(String bnodePrefix) {
+       JsonLdDatasetImpl(String bnodePrefix) {
                super(bnodePrefix);
        }
 
@@ -58,7 +61,7 @@ public class JsonLdDataset extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Qu
        
        @Override
        public Graph getGraph() {
-               return new JsonLdGraph(rdfDataSet, Optional.empty(), 
bnodePrefix);
+               return new JsonLdGraphImpl(rdfDataSet, Optional.empty(), 
bnodePrefix);
        }       
 
        @Override
@@ -67,7 +70,7 @@ public class JsonLdDataset extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Qu
                        return Optional.of(getGraph());
                }
                return getGraphNames()
-                               .map(g -> (Graph)new JsonLdGraph(rdfDataSet, 
Optional.of(g), bnodePrefix))
+                               .map(g -> (Graph)new 
JsonLdGraphImpl(rdfDataSet, Optional.of(g), bnodePrefix))
                                .findAny();
        }
 

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraph.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraph.java 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraph.java
index 206c82a..0a59cc3 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraph.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraph.java
@@ -34,21 +34,25 @@ import com.github.jsonldjava.core.RDFDataset;
  * A {@link Graph} view of a JsonLd {@link RDFDataset}.
  * 
  */
-public class JsonLdGraph extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Triple> implements Graph {
+public interface JsonLdGraph extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Triple>, Graph {
+}
+
+class JsonLdGraphImpl extends 
AbstractJsonLdGraphLike<org.apache.commons.rdf.api.Triple> 
+       implements JsonLdGraph {
 
        private final Optional<BlankNodeOrIRI> graphName;
 
-       JsonLdGraph(RDFDataset rdfDataSet) {
+       JsonLdGraphImpl(RDFDataset rdfDataSet) {
                super(rdfDataSet);
                this.graphName = Optional.empty();
        }
        
-       JsonLdGraph(RDFDataset rdfDataSet, Optional<BlankNodeOrIRI> graphName, 
String bnodePrefix) {
+       JsonLdGraphImpl(RDFDataset rdfDataSet, Optional<BlankNodeOrIRI> 
graphName, String bnodePrefix) {
                super(rdfDataSet, bnodePrefix);
                this.graphName = Objects.requireNonNull(graphName);
        }
        
-       JsonLdGraph(String bnodePrefix) {
+       JsonLdGraphImpl(String bnodePrefix) {
                super(bnodePrefix);
                this.graphName = Optional.empty();
        }

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java
index cb8e568..dced9cc 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdGraphLike.java
@@ -43,8 +43,20 @@ import com.github.jsonldjava.core.RDFDataset.Node;
  *
  * @param <T> specialisation of {@link TripleLike}, e.g. {@link Triple} or 
{@link Quad}
  */
-abstract class JsonLdGraphLike<T extends TripleLike<BlankNodeOrIRI, IRI, 
RDFTerm>>
-       implements GraphLike<T, BlankNodeOrIRI, IRI, RDFTerm> {
+public interface JsonLdGraphLike <T extends TripleLike<BlankNodeOrIRI, IRI, 
RDFTerm>>
+       extends GraphLike<T, BlankNodeOrIRI, IRI, RDFTerm> {
+       /**
+        * Return the underlying JSONLD-Java {@link RDFDataset}.
+        * <p>
+        * Changes in the JSONLD-Java dataset is reflected in this class and 
vice
+        * versa.
+        * 
+        */
+       public RDFDataset getRdfDataSet();
+}
+
+abstract class AbstractJsonLdGraphLike<T extends TripleLike<BlankNodeOrIRI, 
IRI, RDFTerm>>
+       implements JsonLdGraphLike<T> {
        
        /** 
         * Used by {@link #bnodePrefix()} to get a unique UUID per JVM run
@@ -66,17 +78,17 @@ abstract class JsonLdGraphLike<T extends 
TripleLike<BlankNodeOrIRI, IRI, RDFTerm
         */
        RDFDataset rdfDataSet;
        
-       JsonLdGraphLike(RDFDataset rdfDataSet) {
+       AbstractJsonLdGraphLike(RDFDataset rdfDataSet) {
                this(rdfDataSet, "urn:uuid:" + SALT + "#" +  "g"+ 
System.identityHashCode(rdfDataSet));
        }
 
-       JsonLdGraphLike(RDFDataset rdfDataSet, String bnodePrefix) {
+       AbstractJsonLdGraphLike(RDFDataset rdfDataSet, String bnodePrefix) {
                this.rdfDataSet = Objects.requireNonNull(rdfDataSet);
                this.bnodePrefix = Objects.requireNonNull(bnodePrefix);
                this.factory = new JsonLdRDFTermFactory(bnodePrefix);
        }
        
-       JsonLdGraphLike(String bnodePrefix) {
+       AbstractJsonLdGraphLike(String bnodePrefix) {
                this(new RDFDataset(), bnodePrefix);
        }
        

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdIRI.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdIRI.java 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdIRI.java
index aac13e6..dc94401 100644
--- a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdIRI.java
+++ b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdIRI.java
@@ -23,6 +23,7 @@ import com.github.jsonldjava.core.RDFDataset;
 import com.github.jsonldjava.core.RDFDataset.Node;
 
 public interface JsonLdIRI extends JsonLdTerm, IRI {
+}
 
        final class JsonLdIRIImpl extends JsonLdTermImpl implements JsonLdIRI {
        
@@ -61,5 +62,3 @@ public interface JsonLdIRI extends JsonLdTerm, IRI {
                        return node.getValue().equals(other.getIRIString());
                }
        }
-
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdLiteral.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdLiteral.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdLiteral.java
index 8eba6e7..01dff6f 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdLiteral.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdLiteral.java
@@ -23,11 +23,11 @@ import java.util.Optional;
 import org.apache.commons.rdf.api.IRI;
 import org.apache.commons.rdf.api.Literal;
 import org.apache.commons.rdf.simple.Types;
-import org.apache.commons.rdf.jsonldjava.JsonLdIRI.JsonLdIRIImpl;
 
 import com.github.jsonldjava.core.RDFDataset.Node;
 
 public interface JsonLdLiteral extends JsonLdTerm, Literal {
+}      
        
        class JsonLdLiteralImpl extends JsonLdTermImpl implements JsonLdLiteral 
{
        
@@ -97,4 +97,3 @@ public interface JsonLdLiteral extends JsonLdTerm, Literal {
                        
                }       
        }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuad.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuad.java 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuad.java
index 524f43c..d9a26b3 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuad.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuad.java
@@ -23,17 +23,19 @@ import org.apache.commons.rdf.api.BlankNodeOrIRI;
 import org.apache.commons.rdf.api.IRI;
 import org.apache.commons.rdf.api.RDFTerm;
 // Note: To avoid confusion - don't import either Quad
-import org.apache.commons.rdf.jsonldjava.JsonLdQuadLike.JsonLdQuadLikeImpl;
 
 public interface JsonLdQuad extends org.apache.commons.rdf.api.Quad {
 
+       
        /**
         * Return the underlying JsonLD {@link 
com.github.jsonldjava.core.RDFDataset.Quad}
         * 
         * @return The JsonLD {@link com.github.jsonldjava.core.RDFDataset.Quad}
         */
        public com.github.jsonldjava.core.RDFDataset.Quad asJsonLdQuad();
-       
+
+}
+
        final class JsonLdQuadImpl extends 
JsonLdQuadLikeImpl<BlankNodeOrIRI,IRI,RDFTerm,BlankNodeOrIRI> 
                implements JsonLdQuad {
                
@@ -62,4 +64,3 @@ public interface JsonLdQuad extends 
org.apache.commons.rdf.api.Quad {
                }       
        }       
                
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuadLike.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuadLike.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuadLike.java
index 224dc30..12fb95d 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuadLike.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdQuadLike.java
@@ -27,6 +27,7 @@ import com.github.jsonldjava.core.RDFDataset.Quad;
 public interface JsonLdQuadLike<S extends RDFTerm, P extends RDFTerm, O 
extends RDFTerm, G extends RDFTerm> extends QuadLike<S,P,O,G> {
        
        public Quad asJsonLdQuad();
+}
        
        class JsonLdQuadLikeImpl<S extends RDFTerm, P extends RDFTerm, O 
extends RDFTerm, G extends RDFTerm> implements JsonLdQuadLike<S,P,O,G> {
                
@@ -72,4 +73,3 @@ public interface JsonLdQuadLike<S extends RDFTerm, P extends 
RDFTerm, O extends
                }
        }
 
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdRDFTermFactory.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdRDFTermFactory.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdRDFTermFactory.java
index 310fd24..2e586f9 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdRDFTermFactory.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdRDFTermFactory.java
@@ -30,10 +30,6 @@ import org.apache.commons.rdf.api.Literal;
 import org.apache.commons.rdf.api.RDFTerm;
 import org.apache.commons.rdf.api.RDFTermFactory;
 import org.apache.commons.rdf.api.Triple;
-import org.apache.commons.rdf.jsonldjava.JsonLdBlankNode.JsonLdBlankNodeImpl;
-import org.apache.commons.rdf.jsonldjava.JsonLdLiteral.JsonLdLiteralImpl;
-import org.apache.commons.rdf.jsonldjava.JsonLdQuad.JsonLdQuadImpl;
-import org.apache.commons.rdf.jsonldjava.JsonLdTriple.JsonLdTripleImpl;
 import org.apache.commons.rdf.simple.Types;
 
 import com.github.jsonldjava.core.RDFDataset;
@@ -62,8 +58,8 @@ public final class JsonLdRDFTermFactory implements 
RDFTermFactory {
         * @param rdfDataSet JsonLd {@link RDFDataset} to adapt
         * @return Adapted {@link Dataset}
         */
-       public Dataset asDataset(RDFDataset rdfDataSet) {
-               return new JsonLdDataset(rdfDataSet);
+       public JsonLdDataset asDataset(RDFDataset rdfDataSet) {
+               return new JsonLdDatasetImpl(rdfDataSet);
        }
 
        /**
@@ -81,8 +77,8 @@ public final class JsonLdRDFTermFactory implements 
RDFTermFactory {
         * @param rdfDataSet JsonLd {@link RDFDataset} to adapt
         * @return Adapted {@link Graph} covering the <em>default graph</em>
         */     
-       public Graph asGraph(RDFDataset rdfDataSet) {
-               return new JsonLdGraph(rdfDataSet);
+       public JsonLdGraph asGraph(RDFDataset rdfDataSet) {
+               return new JsonLdGraphImpl(rdfDataSet);
        }
 
        public Node asJsonLdNode(RDFTerm term) {
@@ -202,8 +198,8 @@ public final class JsonLdRDFTermFactory implements 
RDFTermFactory {
         * @param rdfDataSet JsonLd {@link RDFDataset} to adapt
         * @return Adapted {@link Dataset}
         */     
-       public Graph asUnionGraph(RDFDataset rdfDataSet) {
-               return new JsonLdUnionGraph(rdfDataSet);
+       public JsonLdUnionGraph asUnionGraph(RDFDataset rdfDataSet) {
+               return new JsonLdUnionGraphImpl(rdfDataSet);
        }
 
        @Override
@@ -220,18 +216,18 @@ public final class JsonLdRDFTermFactory implements 
RDFTermFactory {
        }
 
        @Override
-       public Dataset createDataset() {
-               return new JsonLdDataset(bnodePrefix);
+       public JsonLdDataset createDataset() {
+               return new JsonLdDatasetImpl(bnodePrefix);
        }
 
        @Override
-       public Graph createGraph() {
-               return new JsonLdGraph(bnodePrefix);
+       public JsonLdGraph createGraph() {
+               return new JsonLdGraphImpl(bnodePrefix);
        }
 
        @Override
        public JsonLdIRI createIRI(String iri) {
-               return new JsonLdIRI.JsonLdIRIImpl(iri);
+               return new JsonLdIRIImpl(iri);
        }
 
        @Override
@@ -288,7 +284,7 @@ public final class JsonLdRDFTermFactory implements 
RDFTermFactory {
                        return null; // e.g. default graph
                }
                if (node.isIRI()) {
-                       return new JsonLdIRI.JsonLdIRIImpl(node);
+                       return new JsonLdIRIImpl(node);
                } else if (node.isBlankNode()) {
                        return new JsonLdBlankNodeImpl(node, blankNodePrefix);
                } else if (node.isLiteral()) {

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTerm.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTerm.java 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTerm.java
index 2f250b9..62138d2 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTerm.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTerm.java
@@ -29,6 +29,7 @@ public interface JsonLdTerm extends RDFTerm {
         * @return JsonLd {@link Node}
         */
        Node asJsonLdNode();
+}
        
        abstract class JsonLdTermImpl implements JsonLdTerm {
                final Node node;
@@ -40,4 +41,4 @@ public interface JsonLdTerm extends RDFTerm {
                }
        }
        
-}
+

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTriple.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTriple.java 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTriple.java
index 18e271c..68fe9c0 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTriple.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdTriple.java
@@ -23,7 +23,6 @@ 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.Triple;
-import org.apache.commons.rdf.jsonldjava.JsonLdQuadLike.JsonLdQuadLikeImpl;
 
 import com.github.jsonldjava.core.RDFDataset.Quad;
 
@@ -35,7 +34,8 @@ public interface JsonLdTriple extends Triple {
         * @return The JsonLD {@link com.github.jsonldjava.core.RDFDataset.Quad}
         */
        public com.github.jsonldjava.core.RDFDataset.Quad asJsonLdQuad();
-
+}
+       
        final class JsonLdTripleImpl extends JsonLdQuadLikeImpl<BlankNodeOrIRI, 
IRI, RDFTerm, RDFTerm>
                implements JsonLdTriple {
                
@@ -59,4 +59,3 @@ public interface JsonLdTriple extends Triple {
                        return Objects.hash(getSubject(), getPredicate(), 
getObject());
                }
        }
-}
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-commonsrdf/blob/492ea230/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java
----------------------------------------------------------------------
diff --git 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java
 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java
index 46598ed..81b669a 100644
--- 
a/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java
+++ 
b/jsonld-java/src/main/java/org/apache/commons/rdf/jsonldjava/JsonLdUnionGraph.java
@@ -46,17 +46,20 @@ import com.github.jsonldjava.core.RDFDataset;
  * inefficient as they skip any duplicate triples from multiple
  * graphs.
  */
-class JsonLdUnionGraph extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Triple> implements Graph {
+public interface JsonLdUnionGraph extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Triple>, Graph {
+}
+
+class JsonLdUnionGraphImpl extends 
AbstractJsonLdGraphLike<org.apache.commons.rdf.api.Triple> implements 
JsonLdUnionGraph {
 
-       JsonLdUnionGraph(String bnodePrefix) {
+       JsonLdUnionGraphImpl(String bnodePrefix) {
                super(bnodePrefix);
        }
        
-       JsonLdUnionGraph(RDFDataset rdfDataSet) {
+       JsonLdUnionGraphImpl(RDFDataset rdfDataSet) {
                super(rdfDataSet);
        }
        
-       JsonLdUnionGraph(RDFDataset rdfDataSet, String bnodePrefix) {
+       JsonLdUnionGraphImpl(RDFDataset rdfDataSet, String bnodePrefix) {
                super(rdfDataSet, bnodePrefix);
        }
 
@@ -111,6 +114,5 @@ class JsonLdUnionGraph extends 
JsonLdGraphLike<org.apache.commons.rdf.api.Triple
                // Note: Our specialized stream() already removes duplicates 
using .distinct()
                return stream().count();
        }
-
 }
 

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