Mike,
Once your action is invoked, you can refetch your object like this...
Integer userId = new Integer(157);
ObjectId objId = new ObjectId(User.class, "USER_ID", userId);
User user = (User)dataContext.regesteredObject(objId );
e.
----- Original Message -----
From: "Mike Elliott" <mr..79.net>
To: <cayenne-use..bjectstyle.org>
Sent: Friday, May 28, 2004 7:46 AM
Subject: Retrieving via auto-generated keys
> I have a situation where I'm writing a web application. On some pages I
need
> to display, in a dropdown list, a subset of my users (around 750 total
> users). That is, I need to generate something along the line of:
>
> <select name="selectedUser">
> <option value="157">Biff Overbyte</option>
> <option value="189">Steve Whotsit</option>
> . . .
> </select>
>
> What I'm talking about here is specifying as the 'value' attribute, the
> generated integer primary key for the user, as a way of getting to the
> full user record in the database. I can fetch this value from each user
> instance by using the getObjectId() method, and properly generate the
> "value=" portion of the option.
>
> The problem I have is what should I do in order to fetch the full record?
> Basically, how do I go about fetching a row from the database where I know
> the Cayenne-generated key value? I don't have a get() method for it (at
> least directly) and it's unclear to me how to builld a query to access a
> CayenneDataObject via its internally generated primary key.
>
> The overall problem I want to solve is how to display a subset of user
names
> from my user table as a dropdown list, then be able to fetch the
> corresponding full User object via Cayenne. Maybe I'm going about this
> completely wrong. If so, if anyone else has solved this problem, please
let
> me know.
This archive was generated by hypermail 2.0.0 : Fri May 28 2004 - 08:28:27 EDT