On 04/21/2015 01:43 PM, Liran Zelkha wrote:
Hi
After a very long development cycle, we have finally introduced CDI
and JPA technologies into oVirt.
This means that in the next few month you'll see more and more of our
stored procedures replaced with JPA code, which will allow us to have
easier entity mapping and enjoy performance boost with caching.
kudos Liran, the modernization of our code-base is a very important
goal. Those aren't
just nice toys to play with.
Some things to keep in mind:
1. When implementing a DAO class, please make sure to annotate it with
the @Named and @Singleton annotations.
note: this practice is temporary and it should be updated
2. The engine-daos.properties file is no longer needed, and is removed
from our code.
3. If you want to migrate your own DAO to work with JPA, please look
at the Bookmark, BookmarkDaoDbFacadeImpl and BookmarkDaoTest classes
(see patch https://gerrit.ovirt.org/#/c/33836/).
There is a simple infrastructure that will allow you to do most of the
things you need quite easily. If something is missing - please drop me
an email to [email protected] <mailto:[email protected]> - I'll be
happy to assist.
Thanks for everyone who took part in this effort - Oved, Moti, Roy,
Yevgeny and everyone else.
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