yeah, having multiple channels has to be locked by the store, because they are sharing a common set of snapshots ... you need multiple OSC's if you want multithreading. the only thing multiple channels is going to give you is headaches, it seems like.
ms On Mar 22, 2012, at 10:53 PM, Chuck Hill wrote: > 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 >> >> >> _______________________________________________ >> Do not post admin requests to the list. They will be ignored. >> Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) >> Help/Unsubscribe/Update your Subscription: >> https://lists.apple.com/mailman/options/webobjects-dev/chill%40global-village.net >> >> This email sent to ch...@global-village.net > > -- > 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 > > > > > > > > > _______________________________________________ > Do not post admin requests to the list. They will be ignored. > Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/webobjects-dev/mschrag%40pobox.com > > This email sent to msch...@pobox.com _______________________________________________ Do not post admin requests to the list. They will be ignored. Webobjects-dev mailing list (Webobjects-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/webobjects-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
