Package org.aksw.jenax.graphql.sparql.v2.api2

Class VarHelper

java.lang.Object

org.aksw.jenax.graphql.sparql.v2.api2.VarHelper

public class VarHelper
extends Object

Jena lacks a method tha directly extracts all in-scope variables of an Op. One way to accomplish this is to apply scope rename and then list all variables that are in the root scope.

Constructor Summary

Constructors

Constructor	Description
VarHelper()

Method Summary

Modifier and Type	Method	Description
static Set<org.apache.jena.sparql.core.Var>	vars(org.apache.jena.sparql.syntax.Element elt)
static Set<org.apache.jena.sparql.core.Var>	visibleVars(org.apache.jena.sparql.algebra.Op op)

Methods inherited from class java.lang.Object

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

Constructor Details

VarHelper

public VarHelper()

Method Details

visibleVars

public static Set<org.apache.jena.sparql.core.Var> visibleVars(org.apache.jena.sparql.algebra.Op op)

vars

public static Set<org.apache.jena.sparql.core.Var> vars(org.apache.jena.sparql.syntax.Element elt)