Chris,

> > >>If I have object A which has an ArrayList of B objects each of which
may
> > >>have a collection of C objects, and I commit object A to the database,
any
> > >>changes made to the B and C objects are automagically reflected to the
> > >>database. Modified B and C cause updates, new B and C cause inserts.
> > >>
> > >>Have I made it clearer?
> >
> > >The problem is that conceptually, this isn't how Peer's work.
> >
> > So if we use Peers, we're on our own for managing the hierarchy?
> >
>
> That is correct.  Another O-R mapping tool is name Osage and can be
> found at SourceForge.

you might also want to look at POEM (part of melati www.melati.org , but
'stands alone').  Using POEM, all updates are automagic.

timj




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