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

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

public class ElementWalker
extends Object

An element visitor that walks the graph pattern tree, applying a visitor at each Element traversed. Only walks one level of the query (not subqueries -- sub SELECT, (NOT)EXISTS these wil need to call down themselves if it is meaningful for the visitor. Bottom-up walk - apply to subelements before applying to current element.

Nested Class Summary

static class

ElementWalker.Walker

Constructor Summary

ElementWalker()

Method Summary

static void	walk(Element el, ElementVisitor visitor)
static void	walk(Element el, ElementWalker.Walker walker, ElementVisitor visitor)

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementWalker

public ElementWalker()

Method Detail

walk

public static void walk(Element el,
                        ElementVisitor visitor)

walk

public static void walk(Element el,
                        ElementWalker.Walker walker,
                        ElementVisitor visitor)