Edgar Poce wrote:
Hi nafise

is there any problem with this issue that discarded
for inclusion?!!!
I mean that,I think this is a realy necessary feature
having jdbc persistance manager with jackrabbit why
this issue is discarded?

It doesn't mean that any JDBPersistenceManager implementation is discarded for inclusion, just the one proposed in JCR-91. You'll find more detailed info in the archives[1] and in the wiki[2].

Edgar,

Was trying to find more information following your references, but...

[1] http://thread.gmane.org/gmane.comp.apache.jackrabbit.devel/1435

Points to JIRA which states [1]:

   Comment by Edgar Poce [12/Jul/05 06:00 AM]
   This kind of approach is discouraged by design

Can you please clarify your point? Or, may be point to the document / discussion regarding the design?


[2] http://wiki.apache.org/jackrabbit/PersistenceManagerFAQ

Points to Wiki page which does not clarify your POV either. It states though:

   The PM interface was never intended as being a general SPI that
   you could implement in order to integrate external datasources
   with proprietary formats (e.g. a customers database).

This raises the question, what is the recommended SPI to code against?


PS Wiki page has incorrect statement:

    XML PersistenceManager
      * Write operations are synchronized

AFAICS, XML PM (unnecessarily) syncronizes all calls, including load() and exist() calls. Does it mean FileSystem interface considered to be single threaded? Does not make much sense, though...

Thanks,
Vadim

[1] http://issues.apache.org/jira/browse/JCR-91#action_12315534

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