Comments (4)
Hi
Hello,
I have a question about Model Associations and formUpdate. I have an
entity1 that has many entity2. I have created a form for entity2, and I
want to update entity2. Should I have a form with the value of the foreign
key (value of the primary key of entity1), or would it be enough to
transmit only the fields that really belon to entity2 ?
I guess this depends if the user can change the reference to entity1 in the
entity2-form. If not then I don't see any reason to send the foreign key
(entity1) to the server.
Is there any need to set the associations in ExtJs (belongsTo, HasMany) ?
These are not generated when I have tried the generator and the JPA
Entities.
In general, how would you manage this kind of situation with
extdirectspring ?
Associations is something I don't have any experience so far. That's the
reason it's not yet implemented in the modelgenerator. But it is something
that's on my todo list.
So I'm not able to give give you any good advice on how to use
associations. Sorry.
Maybe somebody in the Sencha Forum http://www.sencha.com/forum/ can help
you with this question.
Ralph
from extdirectspring.
Thanks for your answer Ralph :) I understand that the only way to do this, is to search for entity2 using its primary key, and then update it with the new coming data.
I wanted to let you know also that you do already have some code managing associations ! In your demo application, when the application asks for a list of users, the list of users is returned, with the list of roles granted to each user. So there is already some piece of code that knows about the relation between the entity user and the entity role.
Omar
from extdirectspring.
I wanted to let you know also that you do already have some code managing
associations ! In your demo application, when the application asks for a
list of users, the list of users is returned, with the list of roles
granted to each user.
I forgot about that. But I didn't use the association config. Guess I have
revise this example as soon as I understand the association better. Last
week I started working on this feature for extdirectspring (associations
branch).
Ralph
from extdirectspring.
ModelGenerator in version 1.2.3 (released today) can now generate code for association
from extdirectspring.
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