ejb3 entity beans in remote client

[tlewandowski]

I wonder if it's a good idea to return ejb3 entity beans to my remote client? (It force me to add hibenrate jar to my client but that's not a big problem).
Or should I use transfer data object instead? (this means more work and makes code more complicated)

[bogsolomon]

If you have a complicated datastructure (many to one, many to many relations) and using lazy fetching it is not a good idea.

You would have to add a lot of code on the client side to take care of situations when you want to display something but it has not been fetched already because of lazy initialization.

[elkner]

"tlewandowski" wrote:
I wonder if it's a good idea to return ejb3 entity beans to my remote client?

AFAIK that's the idea of EJB3

[epbernard]

"BogSolomon" wrote:
If you have a complicated datastructure (many to one, many to many relations) and using lazy fetching it is not a good idea.

You would have to add a lot of code on the client side to take care of situations when you want to display something but it has not been fetched already because of lazy initialization.

Provided that your service method has a clear contract with your client on what is accessible and what's not, there is no problem.

[markbrazil]

"epbernard" wrote:

"BogSolomon" wrote:
If you have a complicated datastructure (many to one, many to many relations) and using lazy fetching it is not a good idea.

You would have to add a lot of code on the client side to take care of situations when you want to display something but it has not been fetched already because of lazy initialization.

Provided that your service method has a clear contract with your client on what is accessible and what's not, there is no problem.

I have this issue now. Could you provide an example of what you mean by a "clear contract with your client" ?

[heinrich]

Hi

just have a look on this two topics:

http://www.jboss.com/index.html?module=bb&op=viewtopic&t=69112

http://www.jboss.org/index.html?module=bb&op=viewtopic&t=63277&start=0&postdays=postDays&postorder=postOrder&highlight=highlight