[Zope-dev] Re: Queue object in Zope products

Joost van Lawick Joost van Lawick <joost@lawick.nl>
Fri, 25 Oct 2002 08:24:00 +0200


Thanks for all replies. I understand now why this did not work. Using
module variables solved the problem.


Cheers!


Joost

On Thu, Oct 24, 2002 at 09:38:59AM -0500, Evan Simpson wrote:
> Joost van Lawick wrote:
> > This basically works. However, if I put msg's in the queue with the
> > post method from a page template, and I do this a couple of times,
> > quickly, I get an attribute error on self._v_inqueue. It is somehow
> > gets lost. Does anyone know what I am doing wrong here? What happened
> > to the 'lost' queue?
> 
> '_v' attributes are stored on a per-database-connection basis, which is 
> sort of like per-thread storage.  If you hit it several times quickly, 
> you are likely to get served by a thread that has a copy of the object 
> with no '_v_inqueue'.
> 
> At a quick glance, you could probably get around this by using a 
> module-level registry of inqueues.
> 
> Cheers,
> 
> Evan @ 4-am

--
Joost van Lawick van Pabst
E: joost@lawick.nl
W: http://www.lawick.nl/