[jdom-interest] How to ease traversal of JDOM tree

Bradley S. Huffman hip at a.cs.okstate.edu
Tue Nov 20 08:19:22 PST 2001


Laurent Bihanic writes:

> 
> Bradley S. Huffman wrote:
> > 
> > Why not a Visitor class (see the TODO list)?
> >
> 
> Yes but visited objects are supposed to accept the Visitor. Gamma & al. 
> actually propose to define an interface (thay call "Node" !) that defines the
> accept() method.

Which is a modeling construct to convey that each object in the sturcture
needs a method Accept( Vistor).  That doesn't necessarily translate to
actual code.  As along as each class implements a Accept method and the
Visitor method has a corresponding method for each class, we're okay.



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