Package org.aksw.jenax.arq.util.exec.query

Class QueryExecutionUtils

java.lang.Object
org.aksw.jenax.arq.util.exec.query.QueryExecutionUtils
public class QueryExecutionUtils extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    QueryExecutionUtils()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static List<org.apache.jena.sparql.engine.binding.Binding>
    execListBinding(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)
     
    static List<org.apache.jena.graph.Node>
    executeList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)
     
    static List<org.apache.jena.graph.Node>
    executeList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)
     
    static <T extends org.apache.jena.rdf.model.RDFNode>
    List<T>
    executeRdfList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, Class<T> viewClass)
     
    static <T extends org.apache.jena.rdf.model.RDFNode>
    List<T>
    executeRdfList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, String varName, Class<T> viewClass)
     
    static Integer
    fetchInteger(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)
     
    static Long
    fetchLong(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)
     
    static Optional<org.apache.jena.graph.Node>
    fetchNode(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)
     
    static Number
    fetchNumber(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)
    Attempt to get a Number from the first row of a result set for a given variable.
    static boolean
    wrapWithAutoDisableReorder(org.apache.jena.query.Query query, org.apache.jena.sparql.util.Context cxt)
     

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • QueryExecutionUtils

      public QueryExecutionUtils()

  • Method Details

    • fetchInteger

      public static Integer fetchInteger(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)

    • fetchLong

      public static Long fetchLong(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)

    • fetchNumber

      public static Number fetchNumber(org.apache.jena.query.QueryExecution qe, org.apache.jena.sparql.core.Var v)
      Attempt to get a Number from the first row of a result set for a given variable. Returns null if there is no row or the value is unbound. Raises an exception if the obtained RDFNode cannot be converted to a number or if there is more than 1 result row.
      Parameters:
      qe -
      v -
      Returns:

    • fetchNode

      public static Optional<org.apache.jena.graph.Node> fetchNode(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)

    • executeList

      public static List<org.apache.jena.graph.Node> executeList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)

    • executeList

      public static List<org.apache.jena.graph.Node> executeList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, org.apache.jena.sparql.core.Var var)

    • execListBinding

      public static List<org.apache.jena.sparql.engine.binding.Binding> execListBinding(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query)

    • executeRdfList

      public static <T extends org.apache.jena.rdf.model.RDFNode> List<T> executeRdfList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, Class<T> viewClass)

    • executeRdfList

      public static <T extends org.apache.jena.rdf.model.RDFNode> List<T> executeRdfList(Function<? super org.apache.jena.query.Query,? extends org.apache.jena.query.QueryExecution> qef, org.apache.jena.query.Query query, String varName, Class<T> viewClass)

    • wrapWithAutoDisableReorder

      public static boolean wrapWithAutoDisableReorder(org.apache.jena.query.Query query, org.apache.jena.sparql.util.Context cxt)