Actually I see no problem with the list being modifiable, (dis)
connecting a relationship on remove/add. This fits into the ORM
model, as long as there is an understanding that a relationship list
is connected to a persistence engine, the same way individual objects
are.
Andrus
On May 30, 2007, at 6:20 AM, Kevin Menard wrote:
-----Original Message-----
From: Andrus Adamchik [mailto:[EMAIL PROTECTED]
Sent: Thursday, May 24, 2007 5:52 AM
To: user@cayenne.apache.org
Subject: Re: Behavior of "remove(object)" on ToManyList
Hi Alex,
Well, actually one of Cayenne responsibilities is maintaining
consistent object graph. To-many lists are a part of that
object graph. So if you want to remove an object from the
list for presentation reasons, but keep the relationship
intact, the only right way is to clone the list and remove
items from the clone. I.e.:
List centers = new ArrayList(getSelectedCountry().getCenters());
Perhaps it would make sense if the relationships return unmodifiable
Lists then? It seems to me like it could clear up this whole class of
problems.
--
Kevin
