Package org.aksw.jena_sparql_api.core.utils

Class QueryExecutionUtils

java.lang.Object
org.aksw.jena_sparql_api.core.utils.QueryExecutionUtils
public class QueryExecutionUtils extends Object

  • Field Details

    • vg

      public static final org.apache.jena.sparql.core.Var vg

    • vs

      public static final org.apache.jena.sparql.core.Var vs

    • vp

      public static final org.apache.jena.sparql.core.Var vp

    • vo

      public static final org.apache.jena.sparql.core.Var vo

  • Constructor Details

    • QueryExecutionUtils

      public QueryExecutionUtils()

  • Method Details

    • execSelectTable

      public static org.apache.jena.sparql.algebra.Table execSelectTable(Supplier<org.apache.jena.query.QueryExecution> qeSupp)

    • abortAfterFirstRow

      public static void abortAfterFirstRow(org.apache.jena.query.QueryExecution qe)

    • consume

      public static long consume(org.apache.jena.query.QueryExecution qe)
      Consumes the full response (result set or triples) of a QueryExecution Only uses the iterator-based methods to avoid cluttering up the heap
      Parameters:
      qe -

    • findQuads

      public static Iterator<org.apache.jena.sparql.core.Quad> findQuads(QueryExecutionFactory qef, org.apache.jena.graph.Node g, org.apache.jena.graph.Node s, org.apache.jena.graph.Node p, org.apache.jena.graph.Node o)

    • tryClose

      public static void tryClose(Object obj)

    • execConstruct

      public static org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple> execConstruct(QueryExecutionFactory qef, org.apache.jena.query.Query query)
      Exec construct with wrapper to extended iterator
      Parameters:
      qef -
      query -
      Returns:

    • execConstruct

      public static org.apache.jena.util.iterator.ExtendedIterator<org.apache.jena.graph.Triple> execConstruct(org.apache.jena.query.QueryExecution qe, org.apache.jena.query.Query query)

    • validate

      public static boolean validate(QueryExecutionFactory qef, boolean suppressException)

    • createIteratorDumpQuads

      public static Iterator<org.apache.jena.sparql.core.Quad> createIteratorDumpQuads(QueryExecutionFactory qef)

    • createDumpNQuads

      public static void createDumpNQuads(QueryExecutionFactory qef, org.apache.jena.atlas.lib.Sink<org.apache.jena.sparql.core.Quad> sink)

    • createDumpNQuads

      public static Set<org.apache.jena.sparql.core.Quad> createDumpNQuads(QueryExecutionFactory qef)

    • createIteratorDumpTriples

      public static Iterator<org.apache.jena.graph.Triple> createIteratorDumpTriples(QueryExecutionFactory qef)

    • fetchBindingCount

      public static long fetchBindingCount(String serviceUrl, org.apache.jena.query.Query query)

    • countQuery

      public static long countQuery(org.apache.jena.query.Query query, QueryExecutionFactory qef)

    • countQueryOld

      @Deprecated public static long countQueryOld(org.apache.jena.query.Query query, QueryExecutionFactory qef)
      Deprecated.

    • extractProjectVar

      public static org.apache.jena.sparql.core.Var extractProjectVar(org.apache.jena.query.Query query)

    • executeSingle

      public static org.apache.jena.graph.Node executeSingle(QueryExecutionFactory qef, org.apache.jena.query.Query query)

    • executeSingle

      public static org.apache.jena.graph.Node executeSingle(QueryExecutionFactory qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)

    • executeList

      public static List<org.apache.jena.graph.Node> executeList(QueryExecutionFactory qef, org.apache.jena.query.Query query)

    • executeList

      public static List<org.apache.jena.graph.Node> executeList(QueryExecutionFactory qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)