Hi,
Thanks for pointing that out. Here is my sample code
| @In
| EntityManager em;
|
| @In
| UserList userList;
|
| boolean isnew;
|
| @Out
| User user;
|
| @Begin( id="#{user.id}" )
| public void edit() {
| user = em.merge(userList.getSelectedUser());
| isnew = false;
| }
|
| @End
| public void save() {
| if(isnew)
| em.persist( user );
| else
| em.merge( user );
| userList.refresh(); //can also use event for this
| isnew = false;
| }
|
The conversation actually ends when I press save. However it is my
understanding that you cant put a try catch inside the save because the entity
manager is flushed only when it ends so at this point there is no error yet? Is
this correct? Let's say I'll just accept that limitation and I want to create
another conversation instead. I've already specified the conversation id, can't
I just use that as a reference to my new conversation that I will create? Or is
there no chance to get back to that conversation?
I agree with you, this seems like a complex solution and I'd prefer number
one too. It just kinda reminds me of the old days developing Clipper
applications where you manage this kind of validation yourself. With
client-server development, you are encouraged to let the database handle this.
Now its back. Life's a cycle isnt it? so retro :)
Regards,
Elmo
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