[TYPO3-mvc] Change storage backend / extending Typo3DbBackend

[dennis ahrens]

Hi Thomas,

if u like to use your own StorageBackend for all your models have a
look to the method:

Tx_Extbase_Dispatcher::getPersistenceManager();

There the Typo3DbBackend is instantiated and setted for all need obejcts.
The PersistenceManager is a Singleton - if your write a Service that
fetches this Object you can build up a instance of your
StorageBackend-Class and inject this Object to the PersistenceManager.

have a look at this Mailing-List-Topic:
Tx_Extbase_Persistence_Backend::injectStorageBackend() missing

i'm not sure if this solution is really clean - but for now i have no
better idea and it works for me.

regards
Dennis

2010/1/24 Thomas Heilmann | mindscreen <heilmann at mindscreen.de>:
> Hello everbody,
>
> I am making my first steps with extbase and have a question regarding
> the persistence storage backend. Some table fields in my database are
> AES encrypted. The decryption and encryption of the tables should be
> moved out of regular extension code into a deeper level. Digging a
> little bit into the persistence classes I found various parse functions
> in the Typo3DbBackend (parseQuery etc.). As the SQL statement parts are
> stored in handy arrays there, perhaps this would be a good place to add
> the AES functions.
>
> But now my question: Is there a nice way to change the storage backend
> used by extbase? If I coded an extension the old way, I would write an
> XClass of Typo3DbBackend; I could do that with extbase, too -- but as
> there is no XClass-Code in extbase, I guess this is not considered best
> practice.
>
> Thank you for your hints!
> Thomas
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