To TreeModel or not to TreeModel

Hi all,

I've been working on something for quite sometime now, but still not quite certain how to go about it.

I'm working on an app for a bookshop. The owner is selling used books, and since he is a bit of an order freak he has categorized these books in about 300 hundred different catalogs, most of which are subcatalogs at varying depth.

So I created a class catalog, which holds a collection of catalogs (nodes) and a collection of books (leafs).

So far so good.


But it turns out that I want to iterate over the catalog(s) much as I would like to iterate over a collection.

I've implemented the functionality, with recursive and non-recursive iteration, but at the end of the day I'm not sure whether to use OA's TreeModel instead or not.

What would you choose in this scenario?

Günther
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