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From Julian Reschke <julian.resc...@gmx.de>
Subject Re: Concurrent modifications
Date Wed, 23 Apr 2008 12:06:51 GMT
Stefan Guggisberg wrote:
> no. it's a feature ;)  in your case session2 modifies the property
> *after* session1
> saved the change, i.e. session2 is already aware of the new value.


Session 2 retrieved the old value, and this is what the client currently 
has (such as in an edit window).

> in jackrabbit changes made by one session are instantly visible
> to all other sessions as soon as they're saved (i.e. committed if
> transactions are supported).

I guess the important difference here is between "is visible in the 
other session" and "the client has seen the change".

So, to make this useful, a client would need to re-read the property 
value before, checking it's still the same as earlier on? Is that the 

In which case I'd argue we really need Binary.getEntityTag to make this 

> ...

BR, Julian

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