> >> On 28 Jul 2015, at 9:12 pm, Trygve Inda <cocoa...@xericdesign.com> wrote: >> >> I gather that when using NSPrivateQueueConcurrencyType, all operations (a >> fetch for example) have to be done within a performBlock call. >> > > ... > >> Then later, this context is used outside a performBlock: >> >> >> NSArray *matchingQuakes = [taskContext >> executeFetchRequest:matchingQuakeRequest error:&anyError]; >> >> >> Why does this work? > > You are supposed to call performBlock so that all accesses to the MOC are > serialized on the queue and so you get thread safety that way.
So what has to be called though performBlock?? NSManagedObjectContext* privateContext = [[NSManagedObjectContext alloc] initWithConcurrencyType:NSPrivateQueueConcurrencyType]; // Are these legal to call without using performBlock? [privateContext setPersistentStoreCoordinator:myCoordinator]; [privateContext setUndoManager:nil]; _______________________________________________ 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: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
