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_Variable

org.apache.jena.sparql.core.Var

All Implemented Interfaces:

Serializable

public class Var
extends org.apache.jena.graph.Node_Variable

A SPARQL variable

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jena.graph.Node

org.apache.jena.graph.Node.NotLiteral

Field Summary

Fields

Modifier and Type	Field	Description
static Var	ANON

Fields inherited from class org.apache.jena.graph.Node

ANY, noLangTag, noTextDirection

Method Summary

Modifier and Type	Method	Description
static Var	alloc(String varName)
static Var	alloc(org.apache.jena.graph.Node v)
static Var	alloc(org.apache.jena.graph.Node_Variable v)
static Var	alloc(Var v)
static Var	alloc(ExprVar nv)
static String	canonical(String x)
final boolean	equals(Object other)
String	getVarName()
final int	hashCode()
boolean	isAllocVar()
static boolean	isAllocVar(org.apache.jena.graph.Node node)
static boolean	isAllocVarName(String x)
boolean	isAnonVar()
static boolean	isAnonVar(Var var)
boolean	isBlankNodeVar()
static boolean	isBlankNodeVar(org.apache.jena.graph.Node node)
static boolean	isBlankNodeVarName(String x)
boolean	isNamedVar()
static boolean	isNamedVar(org.apache.jena.graph.Node node)
static boolean	isNamedVarName(String x)
static boolean	isRenamedVar(String x)
static boolean	isRenamedVar(org.apache.jena.graph.Node node)
static boolean	isVar(org.apache.jena.graph.Node node)
static org.apache.jena.graph.Node	lookup(Function<Var,org.apache.jena.graph.Node> access, org.apache.jena.graph.Node node)	Return the value of the access function or node itself.
static org.apache.jena.graph.Node	lookup(Function<Var,org.apache.jena.graph.Node> access, Var var)	Return the value of the access function or var itself.
static org.apache.jena.graph.Node	lookup(Binding binding, org.apache.jena.graph.Node node)	Return the value in the binding (if node is a Var) or the node itself.
static org.apache.jena.graph.Node	lookup(Binding binding, Var var)	Return the value in the binding or the variable itself.
static List<Var>	varList(Collection<String> varNames)	Convert a collection of variable names to variables
static List<String>	varNames(Collection<Var> vars)	Return a list of String names from a collection of variables

Methods inherited from class org.apache.jena.graph.Node_Variable

getName, isConcrete, isVariable, toString, toString, visitWith

Methods inherited from class org.apache.jena.graph.Node

getBlankNodeLabel, getGraph, getIndexingValue, getLiteral, getLiteralBaseDirection, getLiteralDatatype, getLiteralDatatypeURI, getLiteralLanguage, getLiteralLexicalForm, getLiteralValue, getLocalName, getNameSpace, getTriple, getURI, hasURI, isBlank, isExt, isLiteral, isNodeGraph, isNodeTriple, isTripleTerm, isURI, matches, sameTermAs, sameValueAs

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Field Details

ANON

public static Var ANON

Method Details

alloc

public static Var alloc(String varName)

alloc

public static Var alloc(org.apache.jena.graph.Node_Variable v)

alloc

public static Var alloc(org.apache.jena.graph.Node v)

alloc

public static Var alloc(Var v)

alloc

public static Var alloc(ExprVar nv)

lookup

public static org.apache.jena.graph.Node lookup(Binding binding,
 org.apache.jena.graph.Node node)

Return the value in the binding (if node is a Var) or the node itself.

lookup

public static org.apache.jena.graph.Node lookup(Binding binding,
 Var var)

Return the value in the binding or the variable itself.

lookup

public static org.apache.jena.graph.Node lookup(Function<Var,org.apache.jena.graph.Node> access,
 org.apache.jena.graph.Node node)

Return the value of the access function or node itself.

lookup

public static org.apache.jena.graph.Node lookup(Function<Var,org.apache.jena.graph.Node> access,
 Var var)

Return the value of the access function or var itself.

getVarName

public String getVarName()

hashCode

public final int hashCode()

Overrides:

hashCode in class org.apache.jena.graph.Node_Variable

equals

public final boolean equals(Object other)

Overrides:

equals in class org.apache.jena.graph.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(org.apache.jena.graph.Node node)

isRenamedVar

public static boolean isRenamedVar(org.apache.jena.graph.Node node)

isRenamedVar

public static boolean isRenamedVar(String x)

isNamedVar

public static boolean isNamedVar(org.apache.jena.graph.Node node)

isNamedVarName

public static boolean isNamedVarName(String x)

isBlankNodeVar

public static boolean isBlankNodeVar(org.apache.jena.graph.Node node)

isBlankNodeVarName

public static boolean isBlankNodeVarName(String x)

isAllocVar

public static boolean isAllocVar(org.apache.jena.graph.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