Or t5-pub-sub should do a copy-on-write, rather than copying it for each iteration. I miss Clojure collections!
On Thu, Dec 15, 2011 at 3:37 AM, Jochen Berger <foober...@googlemail.com> wrote: > Hi again, > > I think I was wrong with the term "race condition". After some investigation > I found out what causes the problem. I created a simple demo application > that I can upload I you want me to. > Basically, the problem occurs, when there are multiple subscribers for the > same topic and one of them changes the subscriptions (e.g. by unsubscribing) > for the topic while the publisher function runs. That will lead to the > listener cache being cleared and publisher.listeners being undefined upon > the next iteration of the for loop. > I think this could be fixed by iterating over a clone of publisher.listeners > instead of publisher.listeners itself. Of course that would mean that if one > listener unsubscribes other listeners while running, those would be notified > for the current run anyway. > Any thoughts on that? > > > Jochen > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > -- Howard M. Lewis Ship Creator of Apache Tapestry The source for Tapestry training, mentoring and support. Contact me to learn how I can get you up and productive in Tapestry fast! (971) 678-5210 http://howardlewisship.com --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
