NDA is not such a big hurdle for a potential contributor. You just
sign it and that's it. Somehow no such contributors materialized even
when JPA was a new frontier (compared to now when there's a bunch of
alternative providers, and we don't have a way to differentiate
ourselves).
The reasons for splitting that code are related to reducing the
overhead we will incur. Namely:
1. We need to get JPA out of the releases, including documentation.
(If we don't ship the libs, keeping the docs does not make sense).
2. Updating JPA classes as Cayenne core API evolves and ensuring all
the tests still pass requires extra effort. This is not a huge deal
now, but I expect it to become a drag in 3.1+, as we start diverging
from JPA in things like callbacks, etc.
But I agree that doing the proposed reorg is a strategical decision in
a sense that we are sending a clear signal to the community: there
will be no Cayenne JPA. At least this is honest. I am doing that
reluctantly, considering how many man-months I spent on that. The
consolation is that we filled the blanks in Cayenne core as a result,
while staying true to Cayenne user-friendly origins. This is something
to build upon.
Andrus
On Apr 6, 2009, at 11:48 AM, Aristedes Maniatis wrote:
On 06/04/2009, at 5:55 PM, Andrus Adamchik wrote:
Since we are not shipping JPA with 3.0, and further future of this
line of development is undefined, we need to make some decisions
now. I suggest doing what we did for DataViews - a separate
location in SVN, and a separate wiki space. If this effort is
revived (of which I have very strong doubts), we'll get it back to
the main subtree.
What is the downside of just leaving it as is? The framework is
nicely separated as a separate maven/eclipse project, and moving the
documentation to be a second class citizen will only discourage
anyone else from working on it.
As it is, there is perhaps more chance of someone finding it
interesting and working on it, although the hurdles of signing the
NDA, etc make that less likely.
Ari
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