Interface  Description 

ExprVisitorFunction 
Convert all visit calls on the expressions in a call to a generic visit operation for expression functions

OpVisitorByType 
A visitor helper that maps all visits to a few general ones.

OpVisitorByTypeAndExpr 
A visitor helper that maps all visits to a few general ones.

Class  Description 

ApplyTransformVisitor  
ElementWalker_New 
An element visitor that walks the graph pattern tree for one query level.

ElementWalker_New.EltWalker  
Walker  
WalkerVisitor 
Walk algebra and expressions

WalkerVisitorSkipService 
Walk algebra and expressions, but don't walk into SERVICE

WalkerVisitorVisible 
Walk algebra
Do project, don't walk into it.

Licenced under the Apache License, Version 2.0