This is a question about the Listing 7.1 in JPH (Revised Edition, 2007), page. 304.

The issue has been raised in this form at:http://forum.hibernate.org/viewtopic.php?t=968009&highlight=categorizeditem

As pointed out in that post, the CategorizedItem Pojo with its embedded Id is not suited for use where linking may occur between transient Categories/Items.

Christian writes:



Has anyone got that pattern?

The "collection of components" pattern that follows doesn't work for me because I need bi-directional navigation (frequently, from both sides, so I'm not keen on the using a query in lieu of the bi-directional navigation).

I'm busy trying to work it out myself, but it would be very helpful to know if there is any tried-and-tested approach.

Thanks

Richard