Kaspar, Flick through Martin Fowler's "Patterns of Enterprise Application Architecture" to see if you like it.
Regards - Cemal http://jWeekend.com jWeekend hbf wrote: > > James, Eduardo, Jeremy, thank you very much for your input! > > I follow your discussions with great interest. > > Can you recommend a book on this sort of questions? I have read books > on Spring and Hibernate but not from this high-level point of view. > > Cheers, > Kaspar > > > On 24.03.2009, at 17:38, Eduardo Nunes wrote: > >> Ok I got it. One question, consider that you have this model: >> >> Person 1xN Address >> >> You have a screen that list a detailed view of a person, including a >> list of addresses. What approach do you use to implement it? >> - A service method that returns a Person entity with eager load of the >> list of Addresses? (if you don't need always the addresses this >> doesn't make sense) >> - A service method that returns a Person entity with lazy load of the >> list of Addresses? (it could be a problem in a JEE environment) >> - Two service methods, one to return the Person entity and another one >> to return the of addresses? >> >> Thanks, >> Eduardo S. Nunes >> >> On Tue, Mar 24, 2009 at 1:11 PM, Jeremy Thomerson >> <jer...@wickettraining.com> wrote: >>> Agree again. >>> >>> -- >>> Jeremy Thomerson >>> http://www.wickettraining.com >>> >>> >>> >>> On Tue, Mar 24, 2009 at 11:11 AM, James Carman >>> <jcar...@carmanconsulting.com >>>> wrote: >>> >>>> On Tue, Mar 24, 2009 at 12:08 PM, Eduardo Nunes >>>> <esnu...@gmail.com> wrote: >>>>> Yes, I understand you too. What do you do when you have to send a >>>>> set >>>>> of entities and a calculation for each entity? you encapsulate it >>>>> inside another class? >>>> >>>> A domain-driven design advocate would say that the entity knows >>>> how to >>>> calculate what you need and you can ask it for the calculated value. >>>> >>>> --------------------------------------------------------------------- >>>> 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 >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > > -- View this message in context: http://www.nabble.com/OT%3A-How-to-connect-Wicket-layer-to-underlying-service-layer-tp22683138p22684726.html Sent from the Wicket - User mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
