Package org.aksw.jenax.arq.util.quad

Class DatasetUtils

java.lang.Object
org.aksw.jenax.arq.util.quad.DatasetUtils
public class DatasetUtils extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    DatasetUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static boolean
    containsDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, String graphName)
     
    static boolean
    containsDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, org.apache.jena.graph.Node graphNameNode)
     
    static org.apache.jena.query.Dataset
    createFromResource(org.apache.jena.rdf.model.Resource resource)
    Create a dataset from an IRI resource by placing its associated model into a named model with that resource's IRI.
    static org.apache.jena.rdf.model.Model
    getDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, String graphName)
     
    static org.apache.jena.rdf.model.Model
    getDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, org.apache.jena.graph.Node graphNameNode)
    Helper method that retrieves the default model if Quad.isDefaultGraph's yields true for the given graphName
    static Iterator<org.apache.jena.graph.Node>
    iterateNodes(org.apache.jena.query.Dataset ds)
     
    static Iterable<Map.Entry<String,org.apache.jena.rdf.model.Model>>
    listModels(org.apache.jena.query.Dataset dataset)
    Returns an iterable over the models in the dataset - with the default graph being the first element
    static Stream<org.apache.jena.graph.Node>
    streamNodes(org.apache.jena.query.Dataset ds)
     
    static String
    toString(org.apache.jena.query.Dataset dataset, org.apache.jena.riot.RDFFormat rdfFormat)
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • DatasetUtils

      public DatasetUtils()

  • Method Details

    • streamNodes

      public static Stream<org.apache.jena.graph.Node> streamNodes(org.apache.jena.query.Dataset ds)

    • iterateNodes

      public static Iterator<org.apache.jena.graph.Node> iterateNodes(org.apache.jena.query.Dataset ds)

    • listModels

      public static Iterable<Map.Entry<String,org.apache.jena.rdf.model.Model>> listModels(org.apache.jena.query.Dataset dataset)
      Returns an iterable over the models in the dataset - with the default graph being the first element
      Parameters:
      dataset -
      Returns:

    • createFromResource

      public static org.apache.jena.query.Dataset createFromResource(org.apache.jena.rdf.model.Resource resource)
      Create a dataset from an IRI resource by placing its associated model into a named model with that resource's IRI.
      Parameters:
      resource - The resource. Must be an IRI.
      Returns:
      The dataset

    • getDefaultOrNamedModel

      public static org.apache.jena.rdf.model.Model getDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, org.apache.jena.graph.Node graphNameNode)
      Helper method that retrieves the default model if Quad.isDefaultGraph's yields true for the given graphName
      Parameters:
      dataset -
      graphName -
      Returns:

    • getDefaultOrNamedModel

      public static org.apache.jena.rdf.model.Model getDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, String graphName)

    • containsDefaultOrNamedModel

      public static boolean containsDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, org.apache.jena.graph.Node graphNameNode)

    • containsDefaultOrNamedModel

      public static boolean containsDefaultOrNamedModel(org.apache.jena.query.Dataset dataset, String graphName)

    • toString

      public static String toString(org.apache.jena.query.Dataset dataset, org.apache.jena.riot.RDFFormat rdfFormat)