Also note RequestFactory#find(EntityProxyId) On Tue, Sep 28, 2010 at 10:26 AM, Ray Ryan <rj...@google.com> wrote:
> > > On Tue, Sep 28, 2010 at 10:13 AM, Patrick Julien <pjul...@gmail.com>wrote: > >> It's not very clear to me how EntityProxyId helps us achieve very >> simple scenarios. >> >> How do you use this thing when you have pre and post operations to do >> in an activity? >> >> If I have an edit scenario, let's say a user with a list of phones, >> normally, I would follow something like this: >> >> 1. Set the record in the activity >> 2. Start the activity >> 3. In start, get the id of the user and list the phones >> 4. When I receive the phone, I show the display of the edit activity >> >> I don't see how this is done anymore with EntityProxyId. How do I get >> my phone numbers? On the client side, the only member EntityProxyId >> has is getClass(), what I'm a suppose to give to the server to find my >> phone numbers? >> > > There is nothing stopping you from making your real ID part of your public > API. We no longer force you to expose getId on the client, but you're still > allowed to. > > >> >> It's the same problem if you want to do something post save. If I >> want to save the phones of a newly created user, I would do: >> >> 1. Exit is called from AbstractProxyEditActivity >> 2. Save the user >> 3. Get the id of the newly created user >> 4. Attach the phone numbers to the newly created user >> >> Again, here, with EntityProxyId, I have no idea how you do this anymore. >> >> I don't mean to complain here but seriously how do you use this thing? >> It's so opaque that I can't do anything with it >> > > If your persist method returns the newly saved entity, that's the simplest > way. If it doesn't, listen for create events and compare the EPId of the > created item with that of the proxy you got from RequestFactory#create(). > They will be equal if the one in the createEvent is the result of the > persist of the create()d proxy. > >> >> -- >> >> http://groups.google.com/group/Google-Web-Toolkit-Contributors >> > > -- http://groups.google.com/group/Google-Web-Toolkit-Contributors
