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. Does not (NOT)EXISTS in filters. These will 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

Nested Classes

Modifier and Type	Class and Description
static class	ElementWalker.Walker

Constructor Summary

Constructors

Constructor and Description
ElementWalker()

Method Summary

Methods

Modifier and Type	Method and Description
static void	walk(Element el, ElementVisitor visitor)
static void	walk(Element el, ElementVisitor visitor, ElementVisitor beforeVisitor, ElementVisitor afterVisitor)

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,
        ElementVisitor visitor,
        ElementVisitor beforeVisitor,
        ElementVisitor afterVisitor)