OK, so... my first question has to be "what is your goal?  What are you trying 
to accomplish?"  This is NOT going to make EOF multi-threaded.


Chuck


On 2012-03-22, at 7:34 PM, Ramsey Gurley wrote:

> Hi all,
> 
> I'm looking at trying to open multiple database channels in a single instance 
> of a WO app. No reason, just wondering if it can be done.  I know there's 
> ERXObjectStoreCoordinator pool, but this conceptually seems like the wrong 
> way to do it.  Maybe I want 4 open connections for one database, but only one 
> on another… whatever.  So I have a look at
> 
> https://developer.apple.com/legacy/mac/library/documentation/WebObjects/Enterprise_Objects/Connecting/Connecting.html#//apple_ref/doc/uid/TP30001011-CH210-TPXREF145
> 
> and this seems to be the answer to my question.  Well, until I try it. It 
> turns out that inside of objectsWithFetchSpec on EOEditingContext, the 
> objectstore is locked before a fetch takes place. As a result, no other fetch 
> can proceed until the object store is unlocked.  The answer seemed suspicious 
> in the fact that it's being done on the Session anyway...
> 
> So, I guess my question boils down to… is it even possible? Is this the 
> 'single EOF lock' that Chuck Hill and Ravi Mendis were referring to in a 
> previous list message?
> 
> Thanks,
> 
> Ramsey
> 
> 
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-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
knowledge of WebObjects or who are trying to solve specific problems.    
http://www.global-village.net/gvc/practical_webobjects








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