Package org.aksw.jenax.graphql.sparql.v2.ron

Class GraphOverRdfObject

java.lang.Object
org.apache.jena.graph.impl.GraphBase
org.aksw.jenax.graphql.sparql.v2.ron.GraphOverRdfObject
All Implemented Interfaces:
org.apache.jena.graph.Graph, org.apache.jena.graph.impl.GraphWithPerform
public class GraphOverRdfObject extends org.apache.jena.graph.impl.GraphBase
A restricted graph implementation for traversal over object structures. Either subject or object must be bound on lookups. TODO Implement support for viewing an RdfArray as a rdf:List.

  • Field Summary

    Fields inherited from class org.apache.jena.graph.impl.GraphBase

    closed, gem, pm, TOSTRING_TRIPLE_BASE, TOSTRING_TRIPLE_LIMIT

    Fields inherited from interface org.apache.jena.graph.Graph

    emptyGraph

  • Constructor Summary

    Constructors
    Constructor
    Description
    GraphOverRdfObject()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static RdfElement
    arrayToRdfList(RdfArray arr)
    Convert an Array to an RdfElement that presents an rdf:List structure.
    protected org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple>
    graphBaseFind(org.apache.jena.graph.Triple triplePattern)
     
    static void
    main(String[] args)
     
    org.apache.jena.atlas.iterator.Iter<org.apache.jena.graph.Triple>
    match(org.aksw.jenax.graphql.sparql.v2.ron.Node_RdfObject src, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o, boolean isForward)
     
    static boolean
    matches(RdfElement elt, org.apache.jena.graph.Node node)
     
    static Stream<org.apache.jena.graph.Triple>
    streamTriples(RdfObject obj)
    Stream the triples that the RdfObject holds.
    static Stream<org.apache.jena.graph.Triple>
    streamTriples(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, RdfElement elt, boolean isForward)
     
    static org.apache.jena.graph.Node
    wrap(RdfElement elt)
     

    Methods inherited from class org.apache.jena.graph.impl.GraphBase

    add, checkOpen, clear, close, contains, contains, containsByFind, createPrefixMapping, delete, dependsOn, find, find, forTestingOnly_graphBaseFind, getEventManager, getPrefixMapping, getTransactionHandler, graphBaseContains, graphBaseFind, graphBaseSize, isClosed, isEmpty, isIsomorphicWith, notifyAdd, notifyDelete, performAdd, performDelete, remove, size, toString, toString

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    Methods inherited from interface org.apache.jena.graph.Graph

    add, delete, find, getCapabilities, sizeLong, stream, stream

  • Constructor Details

    • GraphOverRdfObject

      public GraphOverRdfObject()

  • Method Details

    • streamTriples

      public static Stream<org.apache.jena.graph.Triple> streamTriples(RdfObject obj)
      Stream the triples that the RdfObject holds. Recursively traverses the tree structure. Does not handle cycles in the RdfElement structure.

    • streamTriples

      public static Stream<org.apache.jena.graph.Triple> streamTriples(org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, RdfElement elt, boolean isForward)

    • graphBaseFind

      protected org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple> graphBaseFind(org.apache.jena.graph.Triple triplePattern)
      Specified by:
      graphBaseFind in class org.apache.jena.graph.impl.GraphBase

    • match

      public org.apache.jena.atlas.iterator.Iter<org.apache.jena.graph.Triple> match(org.aksw.jenax.graphql.sparql.v2.ron.Node_RdfObject src, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o, boolean isForward)

    • wrap

      public static org.apache.jena.graph.Node wrap(RdfElement elt)

    • matches

      public static boolean matches(RdfElement elt, org.apache.jena.graph.Node node)

    • arrayToRdfList

      public static RdfElement arrayToRdfList(RdfArray arr)
      Convert an Array to an RdfElement that presents an rdf:List structure.

    • main

      public static void main(String[] args)