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From Julian Reschke <julian.resc...@gmx.de>
Subject Re: Isolation level inconsistency.
Date Mon, 23 Jul 2007 21:24:48 GMT
Thomas Mueller wrote:
> Hi Julian,
> 
>> so far I haven't seen a proposal how the desired semantics (query
>> operating on the transient state) can be implemented efficiently at all,
> 
> As far as I know, old Hibernate and JPA works like this (except
> objects that are not persisted, and detached objects; both cases are
> not relevant for JCR). So it can be implemented. I would even say if
> somebody wants to implement JCR using an JPA, it would be easier that
> way.
> 
>> ... without closely coupling the transient space implementation to the
>> storage.
> 
> Is there a rule in the spec that says the transient space must be
> decoupled (except, the rule we are talking about)?

No, not in the spec. But if you close coupling, then

1) it will be hard to remote the protocol, and

2) it will be impossible to execute the plans for an SPI layer (because 
it involves a generic transient layer on top of SPI).

> ...

Best regards, Julian

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