One more thing - this hangs forever.
No timeout occurs, etc.
Regards,
Emir
----- Original Message -----
From: [EMAIL PROTECTED]
Date: Wednesday, February 23, 2005 5:48 pm
Subject: Re: [castor-user] [JDO] Questions on 1:M and N:M handling
>
> Werner,
> I've tested again and againg.
> See inline...
>
> > >3. Third and most important to me is on proper way of adding
> > Parts (because
> > >they depend of Items due to 1:M).
> > >Can I add part like this:
> > >
> > > Item i = db.load(...);
> > > Part p = new Part(....);
> > > p.setItem(i);
> // i.setLastUpdate(new Date());
> > > db.create(p);
> > > db.commit()
> > >
> > >What is the proper way of adding many-side objects?
> > Practically, it should not make a differnce whether you set the
> > Item (paren) on the part or the other way around. You could try ...
>
> I've tried and it works only as I've written above.
>
> >
> > Item i = db.load(...);
> > Part p = new Part(....);
> > db.create(p);
> > i.addPart (p);
> > db.commit()
> This will not work, and the create(p) will fail with the message
> that parts.itemID cannot be null.
>
> Another, IMO, silly thing is that I can not update a field in the
> Items object during this transaction.
> If i try to, e.g. call i.setLastUpdate(new Date()), the commit()
> of the transaction will hang.
> Is this OK?! I don't think it is...
>
>
> >
> > Please note that the db.create() should be before the i.add() in
> > case you are using a key generator.
> >
>
> This doesn't work, create will fail.
>
> Regards,
> Emir
>
>
>
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