com.hp.hpl.jena.sparql.syntax
Class PatternVars

java.lang.Object
  com.hp.hpl.jena.sparql.syntax.PatternVars

public class PatternVars
extends java.lang.Object

Get the variables potentially bound by an element. All mentioned variables except those in MINUS and FILTER (and hence NOT EXISTS) The work is done by PatternVarsVisitor.

Nested Class Summary

static class

PatternVars.WalkerSkipMinus

Constructor Summary

PatternVars()

Method Summary

static java.util.Set<Var>	vars(Element element)
static void	vars(Element element, PatternVarsVisitor visitor)
static java.util.Set<Var>	vars(java.util.Set<Var> s, Element element)

Methods inherited from class java.lang.Object

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

Constructor Detail

PatternVars

public PatternVars()

Method Detail

vars

public static java.util.Set<Var> vars(Element element)

vars

public static java.util.Set<Var> vars(java.util.Set<Var> s,
                                      Element element)

vars

public static void vars(Element element,
                        PatternVarsVisitor visitor)