On Thu, 5 Jul 2007, harinath adapa wrote: > Date: Thu, 5 Jul 2007 11:33:40 +0530 > From: harinath adapa <[EMAIL PROTECTED]> > Reply-To: <[email protected]> > To: <[email protected]> > Subject: [twincling] Need best architecture design patterns & caching > mechanisms > > Action Class->Delegate->Session Facade->DAO/EJB. Presently we r working for > PMC 2.0 release to increase the performnace and i am working in Front End. > In our present application EJB's both BMP's, CMP's are used very > effectively and can't be replace with DAO's. As i gone through the code > "Need to implement the caching mechanism in DAO's for better optimization
IIRC, DAO is stateless and caches MRU only. Using spring framework is one possibility but it complicates matters. > > (As per the present PMC application because of the drill down mechanism for > every selection in the drop down list, now there is page refreshment. i.e. > for every selection in drop down values from data base are retrieved. Is in-expansion using ajax component a possibility ? > > Because of this, delay time is more for request & response which causes the > low performance)". > > Please if any body already worked on this type of scenario plz provide me > some of the best caching mechanism's that can be implemented in DAOs. As > well provide me some architectural design patterns which can be used to > resolve the above said problems > > Thanks, > Harinath A > Here are some links to help you start thinking on this. http://www.theserverside.com/discussions/thread.tss?thread_id=24964 and http://forum.springframework.org/showthread.php?t=26197 Hope this helps. Saifi.

