Module org.apache.jena.arq
Package org.apache.jena.sparql.core

Class Var

java.lang.Object
org.apache.jena.graph.Node
org.apache.jena.graph.Node_Fluid
org.apache.jena.graph.Node_Variable
org.apache.jena.sparql.core.Var
All Implemented Interfaces:
Serializable
public class Var extends Node_Variable
A SPARQL variable
See Also:

  • Field Details

    • ANON

      public static Var ANON

  • Method Details

    • alloc

      public static Var alloc(String varName)

    • alloc

      public static Var alloc(Node_Variable v)

    • alloc

      public static Var alloc(Node v)

    • alloc

      public static Var alloc(Var v)

    • alloc

      public static Var alloc(ExprVar nv)

    • lookup

      public static Node lookup(Binding binding, Node node)
      Return the value in the binding (if node is a Var) or the node itself.

    • lookup

      public static Node lookup(Binding binding, Var var)
      Return the value in the binding or the variable itself.

    • lookup

      public static Node lookup(Function<Var,Node> access, Node node)
      Return the value of the access function or node itself.

    • lookup

      public static Node lookup(Function<Var,Node> access, Var var)
      Return the value of the access function or var itself.

    • asNode

      public Node asNode()

    • getVarName

      public String getVarName()

    • hashCode

      public final int hashCode()
      Overrides:
      hashCode in class Node

    • equals

      public final boolean equals(Object other)
      Overrides:
      equals in class Node_Variable

    • isNamedVar

      public boolean isNamedVar()

    • isBlankNodeVar

      public boolean isBlankNodeVar()

    • isAllocVar

      public boolean isAllocVar()

    • isAnonVar

      public boolean isAnonVar()

    • canonical

      public static String canonical(String x)

    • isVar

      public static boolean isVar(Node node)

    • isRenamedVar

      public static boolean isRenamedVar(Node node)

    • isRenamedVar

      public static boolean isRenamedVar(String x)

    • isNamedVar

      public static boolean isNamedVar(Node node)

    • isNamedVarName

      public static boolean isNamedVarName(String x)

    • isBlankNodeVar

      public static boolean isBlankNodeVar(Node node)

    • isBlankNodeVarName

      public static boolean isBlankNodeVarName(String x)

    • isAllocVar

      public static boolean isAllocVar(Node node)

    • isAllocVarName

      public static boolean isAllocVarName(String x)

    • varList

      public static List<Var> varList(Collection<String> varNames)
      Convert a collection of variable names to variables

    • isAnonVar

      public static boolean isAnonVar(Var var)

    • varNames

      public static List<String> varNames(Collection<Var> vars)
      Return a list of String names from a collection of variables