Module org.apache.jena.arq
Package org.apache.jena.sparql.engine.main.solver

Class SolverLib

java.lang.Object
org.apache.jena.sparql.engine.main.solver.SolverLib
public class SolverLib extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    SolverLib()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static <T> Iterator<T>
    makeAbortable(Iterator<T> iter, List<Abortable> killList)
    Create an abortable iterator, storing it in the killList.
    static org.apache.jena.graph.Node
    nodeTopLevel(org.apache.jena.graph.Node node)
    Convert a pattern node into ANY, or leave as a constant term.
    static boolean
    quadHasEmbTripleWithVars(Quad quad)
    Test whether a quad has a triple term (RDF-star) as one of its components and that embedded triple term has variables.
    static boolean
    quadHasNodeTriple(Quad quad)
    Test whether a quad has an triple term as one of its components.
    static boolean
    sameTermAs(org.apache.jena.graph.Node node1, org.apache.jena.graph.Node node2)
    Test equality of two concrete teams.
    static boolean
    tripleHasEmbTripleWithVars(org.apache.jena.graph.Triple triple)
    Test whether a triple has a triple term (RDF-star) as one of its components and that embedded triple term has variables.
    static boolean
    tripleHasNodeTriple(org.apache.jena.graph.Triple triple)
    Test whether a triple has an triple term as one of its components.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • SolverLib

      public SolverLib()

  • Method Details

    • makeAbortable

      public static <T> Iterator<T> makeAbortable(Iterator<T> iter, List<Abortable> killList)
      Create an abortable iterator, storing it in the killList. Just return the input iterator if killList is null.

    • tripleHasNodeTriple

      public static boolean tripleHasNodeTriple(org.apache.jena.graph.Triple triple)
      Test whether a triple has an triple term as one of its components.

    • quadHasNodeTriple

      public static boolean quadHasNodeTriple(Quad quad)
      Test whether a quad has an triple term as one of its components.

    • tripleHasEmbTripleWithVars

      public static boolean tripleHasEmbTripleWithVars(org.apache.jena.graph.Triple triple)
      Test whether a triple has a triple term (RDF-star) as one of its components and that embedded triple term has variables.

    • quadHasEmbTripleWithVars

      public static boolean quadHasEmbTripleWithVars(Quad quad)
      Test whether a quad has a triple term (RDF-star) as one of its components and that embedded triple term has variables.

    • sameTermAs

      public static boolean sameTermAs(org.apache.jena.graph.Node node1, org.apache.jena.graph.Node node2)
      Test equality of two concrete teams.

    • nodeTopLevel

      public static org.apache.jena.graph.Node nodeTopLevel(org.apache.jena.graph.Node node)
      Convert a pattern node into ANY, or leave as a constant term. Any Embedded triple term with a variable, that is {@literal <<?var>>} becomes an ANY.