Package org.aksw.conjure.datasource

Class DatasetGraphHashPartitioned

java.lang.Object
org.apache.jena.sparql.core.DatasetGraphBase
org.apache.jena.sparql.core.DatasetGraphQuads
org.aksw.conjure.datasource.DatasetGraphHashPartitioned
All Implemented Interfaces:
org.aksw.jenax.dataaccess.sparql.common.TransactionalWrapper, org.apache.jena.atlas.lib.Closeable, org.apache.jena.sparql.core.DatasetGraph, org.apache.jena.sparql.core.Transactional
public class DatasetGraphHashPartitioned extends org.apache.jena.sparql.core.DatasetGraphQuads implements org.aksw.jenax.dataaccess.sparql.common.TransactionalWrapper
A dataset graph with a fixed number of child graphs and a hash functions that determines for every quad deterministically in which child graph to place it.
Author:
raven

  • Nested Class Summary

    Nested classes/interfaces inherited from interface org.apache.jena.sparql.core.Transactional

    org.apache.jena.sparql.core.Transactional.Promote

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    protected List<org.apache.jena.sparql.core.DatasetGraph>
    delegates
     
    protected Function<org.apache.jena.sparql.core.Quad,Integer>
    hashFunction
     
    protected org.apache.jena.riot.system.PrefixMap
    prefixes
     
    protected org.aksw.jenax.dataaccess.sparql.common.TransactionalMultiplex<org.apache.jena.sparql.core.Transactional>
    transactional
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    DatasetGraphHashPartitioned(List<org.apache.jena.sparql.core.DatasetGraph> delegates, Function<org.apache.jena.sparql.core.Quad,Integer> hashFunction)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    add(org.apache.jena.sparql.core.Quad quad)
     
    void
    addGraph(org.apache.jena.graph.Node graphName, org.apache.jena.graph.Graph graph)
     
    void
    close()
     
    static org.apache.jena.sparql.core.DatasetGraph
    createBySubject(List<org.apache.jena.sparql.core.DatasetGraph> delegates)
     
    void
    delete(org.apache.jena.sparql.core.Quad quad)
     
    static Iterator<org.apache.jena.sparql.core.Quad>
    find(Collection<org.apache.jena.sparql.core.DatasetGraph> delegates, org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
     
    Iterator<org.apache.jena.sparql.core.Quad>
    find(org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
     
    static Iterator<org.apache.jena.sparql.core.Quad>
    findNG(Collection<org.apache.jena.sparql.core.DatasetGraph> delegates, org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
     
    Iterator<org.apache.jena.sparql.core.Quad>
    findNG(org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
     
    org.apache.jena.graph.Graph
    getDefaultGraph()
     
    org.apache.jena.sparql.core.Transactional
    getDelegate()
     
    org.apache.jena.graph.Graph
    getGraph(org.apache.jena.graph.Node graphNode)
     
    protected int
    hashToIndex(int hash)
     
    org.apache.jena.riot.system.PrefixMap
    prefixes()
     
    protected int
    quadToIndex(org.apache.jena.sparql.core.Quad quad)
     
    static Integer
    subjectToHash(org.apache.jena.sparql.core.Quad quad)
     
    boolean
    supportsTransactions()
     

    Methods inherited from class org.apache.jena.sparql.core.DatasetGraphQuads

    listGraphNodes, removeGraph

    Methods inherited from class org.apache.jena.sparql.core.DatasetGraphBase

    add, clear, contains, contains, containsGraph, delete, deleteAny, deleteAny, find, find, getContext, getLock, getUnionGraph, isEmpty, isWildcard, size, toString, unsupportedMethod

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.jena.sparql.core.DatasetGraph

    addAll, stream, stream, supportsTransactionAbort

    Methods inherited from interface org.apache.jena.sparql.core.Transactional

    begin, calc, calculate, calculateRead, calculateWrite, exec, execute, executeRead, executeWrite, promote

    Methods inherited from interface org.aksw.jenax.dataaccess.sparql.common.TransactionalWrapper

    abort, begin, begin, commit, end, getTransactionalDelegate, isInTransaction, promote, transactionMode, transactionType

  • Field Details

    • prefixes

      protected org.apache.jena.riot.system.PrefixMap prefixes

    • hashFunction

      protected Function<org.apache.jena.sparql.core.Quad,Integer> hashFunction

    • delegates

      protected List<org.apache.jena.sparql.core.DatasetGraph> delegates

    • transactional

      protected org.aksw.jenax.dataaccess.sparql.common.TransactionalMultiplex<org.apache.jena.sparql.core.Transactional> transactional

  • Constructor Details

    • DatasetGraphHashPartitioned

      public DatasetGraphHashPartitioned(List<org.apache.jena.sparql.core.DatasetGraph> delegates, Function<org.apache.jena.sparql.core.Quad,Integer> hashFunction)

  • Method Details

    • createBySubject

      public static org.apache.jena.sparql.core.DatasetGraph createBySubject(List<org.apache.jena.sparql.core.DatasetGraph> delegates)

    • subjectToHash

      public static Integer subjectToHash(org.apache.jena.sparql.core.Quad quad)

    • prefixes

      public org.apache.jena.riot.system.PrefixMap prefixes()
      Specified by:
      prefixes in interface org.apache.jena.sparql.core.DatasetGraph

    • supportsTransactions

      public boolean supportsTransactions()
      Specified by:
      supportsTransactions in interface org.apache.jena.sparql.core.DatasetGraph

    • getDelegate

      public org.apache.jena.sparql.core.Transactional getDelegate()
      Specified by:
      getDelegate in interface org.aksw.jenax.dataaccess.sparql.common.TransactionalWrapper

    • findNG

      public static Iterator<org.apache.jena.sparql.core.Quad> findNG(Collection<org.apache.jena.sparql.core.DatasetGraph> delegates, org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)

    • find

      public static Iterator<org.apache.jena.sparql.core.Quad> find(Collection<org.apache.jena.sparql.core.DatasetGraph> delegates, org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)

    • find

      public Iterator<org.apache.jena.sparql.core.Quad> find(org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
      Specified by:
      find in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      find in class org.apache.jena.sparql.core.DatasetGraphQuads

    • findNG

      public Iterator<org.apache.jena.sparql.core.Quad> findNG(org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)
      Specified by:
      findNG in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      findNG in class org.apache.jena.sparql.core.DatasetGraphQuads

    • quadToIndex

      protected int quadToIndex(org.apache.jena.sparql.core.Quad quad)

    • hashToIndex

      protected int hashToIndex(int hash)

    • add

      public void add(org.apache.jena.sparql.core.Quad quad)
      Specified by:
      add in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      add in class org.apache.jena.sparql.core.DatasetGraphQuads

    • delete

      public void delete(org.apache.jena.sparql.core.Quad quad)
      Specified by:
      delete in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      delete in class org.apache.jena.sparql.core.DatasetGraphQuads

    • getDefaultGraph

      public org.apache.jena.graph.Graph getDefaultGraph()
      Specified by:
      getDefaultGraph in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      getDefaultGraph in class org.apache.jena.sparql.core.DatasetGraphBase

    • getGraph

      public org.apache.jena.graph.Graph getGraph(org.apache.jena.graph.Node graphNode)
      Specified by:
      getGraph in interface org.apache.jena.sparql.core.DatasetGraph
      Specified by:
      getGraph in class org.apache.jena.sparql.core.DatasetGraphBase

    • addGraph

      public void addGraph(org.apache.jena.graph.Node graphName, org.apache.jena.graph.Graph graph)
      Specified by:
      addGraph in interface org.apache.jena.sparql.core.DatasetGraph
      Overrides:
      addGraph in class org.apache.jena.sparql.core.DatasetGraphQuads

    • close

      public void close()
      Specified by:
      close in interface org.apache.jena.atlas.lib.Closeable
      Specified by:
      close in interface org.apache.jena.sparql.core.DatasetGraph
      Overrides:
      close in class org.apache.jena.sparql.core.DatasetGraphBase