Persistent class and DTO

t_k_t_w · **Joined:** Wed Oct 29, 2003 10:15 am **Posts:** 4

Hi all,

I am new to Hibernate, one question arises here, is there any recommended way to deal with DTO pattern with Hibernate? Seems Hibernate persistent class simply can act as DTO, may I just use Hibernate persistent class as DTO to transfer data between tiers, or do I have to code DTO separately?

Thank you.

emmanuel · **Posted:** Fri Oct 31, 2003 3:57 am

Have a look at [CENSORED]

To be short, you can avoid extra DTO classes.

gavin · **Posted:** Fri Oct 31, 2003 4:04 am

Sorry .... this is not really "released" yet. I accidently left a wiki page that I was working on public.

emmanuel · **Posted:** Fri Oct 31, 2003 4:51 am

I do not une DTO unless I really need them. I hate write DTO and binding mecanism, just to allow pure layer separation.

I let my persistance classes transfering data to presentation layer.

Main drawback is when presentation layer try to get uninitialized collection or object (Which should not happen by contract), A LazyInitializationExeception is thrown because I closed session int he business tier.

t_k_t_w · **Joined:** Wed Oct 29, 2003 10:15 am **Posts:** 4

epbernard wrote:

Have a look at [CENSORED]

To be short, you can avoid extra DTO classes.

Thank you, but could you tell me where you want me to look at?

emmanuel · **Posted:** Sat Nov 01, 2003 1:58 pm

As Gavin said, the document I refered to was working stage and has been accidently released public. Gavin removed it and removed the link I gave to you.