And of course I linked to out-of-date documentation. Here's a document that actually talks about the new concurrency support: http://developer.apple.com/library/mac/#releasenotes/DataManagement/RN-CoreData/_index.html
--Kyle Sluder On Wed, Nov 30, 2011 at 7:56 AM, Kyle Sluder <kyle.slu...@gmail.com> wrote: > If you're targeting 10.7, you can use the new NSManagedObjectContext > concurrency support: > > http://developer.apple.com/library/ios/#documentation/cocoa/conceptual/coredata/Articles/cdConcurrency.html#//apple_ref/doc/uid/TP40003385-SW1 > > --Kyle Sluder > > On Wed, Nov 30, 2011 at 7:41 AM, Andrew Kinnie <akin...@mac.com> wrote: >> OK. Thanks. (I'd have responded sooner but I was driving all day) >> >> I will look into this. It does appear that I was not being precise enough >> with the MOC on potential multiple threads. So we should probably have a >> moc on the main thread (for queries, etc) and have transient background >> thread based mocs for the fairly heavy lifting. >> >> Thanks again. >> >> Andrew >> >> On Nov 29, 2011, at 8:51 AM, Fritz Anderson wrote: >> >>> On 29 Nov 2011, at 7:21 AM, Andrew Kinnie wrote: >>> >>>> This method may be called from the main thread or from a background >>>> thread, but is always called using performSelectorInBackground. >>> >>> It's not enough that you divert the call to _a_ background thread. You must >>> send it to _the_ background thread that owns the managed-object context. >>> >>> If necessary (you can't exchange the data between threads through non-CD >>> immutable types), each thread that does business with your persistent store >>> should have its own MOC, coordinate its content with >>> NSManagedObjectContextDidSaveNotification, and query/update the store only >>> through its MOC. >>> >>> — F >>> _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
