I already told that in this thread: move your entity storage to your custom request cycle, and just keep the entity identifier in your custom session. then always access the entity either directly from the request cycle, or through delegates from your session. There's no rocket science here.
Martijn On Fri, Mar 6, 2009 at 7:27 AM, Tauren Mills <tau...@groovee.com> wrote: > Martijn, > > I see your point about users clicking fast and causing an exception if > I keep a User in the session (transient or otherwise). I too would be > curious to see some example code of how you handle the situation. > > Thanks, > Tauren > > > On Mon, Feb 23, 2009 at 11:47 PM, Alexander Lohse <a...@humantouch.de> wrote: >> Hi Martijn, >> >> could you paste some short example code to point out how to load and access >> a UserModel in the requestcycle? >> >> Regards, >> >> Alex >> >> Am 23.02.2009 um 08:42 schrieb Martijn Dashorst: >> - Show quoted text - >> >>> Storing the user in a field of Session is wrong. Didn't you read the >>> concurrency caveats I posted earlier? >>> >>> When users click fast enough, you'll get Hibernate exceptions pretty >>> soon. Entity instances can't be shared between multiple threads. >>> Putting them in the Session exposes them to that threat. Putting >>> transient before the field doesn't mitigate that, neither does >>> synchronized. >>> >>> Martijn >>> >>> On Fri, Feb 20, 2009 at 11:25 PM, Tauren Mills <tau...@groovee.com> wrote: >>>> >>>> Nino and Martijn, >>>> >>>> Thanks for the help. Last night I was looking through the elephas >>>> code and found a solution that I think will work for me. It doesn't >>>> store an LDM in the session, but stores an identifier and a >>>> *transient* instance of User. This seems like an effective solution >>>> to me. I tried it out and haven't had problems yet. Here's the >>>> elephas session so you can see for yourself: >>>> >>>> http://code.google.com/p/elephas/source/browse/trunk/src/main/java/org/elephas/webapp/application/ElephasSession.java?r=87 >>>> >>>> Then on my page, I just do something like this: >>>> setDefaultModel(new DetachableUserModel(getSession().getUser(),userDao)); >>>> >>>> Please let me know your thoughts on this. >>>> >>>> Thanks, >>>> Tauren >>>> >>>> >>>> On Fri, Feb 20, 2009 at 2:05 AM, nino martinez wael >>>> <nino.martinez.w...@gmail.com> wrote: >>>>> >>>>> Hi Tauren >>>>> >>>>> I've done something similar.. Have no trouble with.. >>>>> >>>>> Disclaimer, below code are really ugly and I need to clean it up... >>>>> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >>>> For additional commands, e-mail: users-h...@wicket.apache.org >>>> >>>> >>> >>> >>> >>> -- >>> Become a Wicket expert, learn from the best: http://wicketinaction.com >>> Apache Wicket 1.3.5 is released >>> Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3. >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >>> For additional commands, e-mail: users-h...@wicket.apache.org >>> >> >> ______________________________________________________________ >> >> "A designer knows he has achieved perfection not when there is nothing left >> to add, >> but when there is nothing left to take away." >> (Antoine de Saint Exupéry) >> ............................................................................................. >> >> Alexander Lohse • Entwicklungsleitung & Projektmanagement >> Tel +49 38374 752 11 • Fax +49 38374 752 23 >> http://www.humantouch.de >> >> Human Touch Medienproduktion GmbH >> Am See 1 • 17440 Klein Jasedow • Deutschland >> >> Geschäftsführung: >> Lara Mallien, Nele Hybsier, Alexander Lohse, Johannes Heimrath (Senior) >> Handelsregister Stralsund • HRB 4192 • USt-IdNr. DE128367684 >> - Show quoted text - >> >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >> For additional commands, e-mail: users-h...@wicket.apache.org >> >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > -- Become a Wicket expert, learn from the best: http://wicketinaction.com Apache Wicket 1.3.5 is released Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.3. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
