org.hibernate.hql.ast.util
Class NodeTraverser

java.lang.Object
  org.hibernate.hql.ast.util.NodeTraverser

public class NodeTraverser
extends Object

A visitor for traversing an AST tree.

Author:

Steve Ebersole, Philip R. "Pib" Burns., Strong Liu

Nested Class Summary

static interface

NodeTraverser.VisitationStrategy

Constructor Summary

NodeTraverser(NodeTraverser.VisitationStrategy strategy)

Method Summary

void	traverseDepthFirst(antlr.collections.AST ast) Traverse the AST tree depth first.

Methods inherited from class java.lang.Object

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

Constructor Detail

NodeTraverser

public NodeTraverser(NodeTraverser.VisitationStrategy strategy)

Method Detail

traverseDepthFirst

public void traverseDepthFirst(antlr.collections.AST ast)

Traverse the AST tree depth first.

Parameters:

ast - Root node of subtree to traverse.

Note that the AST passed in is not visited itself. Visitation starts with its children.