Thanks Mike. Let me ask another question ... what if I need to create a temporary, thread specific NSManagedObjectContext? Let's say I'm interacting with a RESTful API ala AFNetworking and I need to parse and save data on a background response thread.
How do I tie my thread specific context into the Document's datastore? Thanks, -Luther On Sat, Oct 18, 2014 at 11:03 AM, Mike Abdullah <mabdul...@karelia.com> wrote: > When using NSPersistentDocument it takes over responsibility for saving > the context. You should not save the context yourself. > > > On 18 Oct 2014, at 17:00, Luther Baker <lutherba...@gmail.com> wrote: > > > > Hi, > > > > I am creating a Desktop issue tracking app using core data and the > > NSDocument framework - so yes, the Xcode wizard extended > > NSPersistentDocument which provides me with an NSManagedObjectContext. > > > > My question is - if I start working in the app, creating issues for > > instance ... when I go to actually persist the context I get an error > "This > > NSPersistentStoreCoordinator has no persistent stores. It cannot > perform a > > save operation." > > > > So, does this imply that for NSDocument style programming, most folks > > aren't 'saving' their context right away? Do we wait for the user to > > actually save the document the first time? IE: there is not in memory > store > > that the Document manages until the user formally saves to the file > system? > > > > And does it follow then that on subsequent changes, we formally persist > the > > context only when the user actually 'Saves'? > > > > Does anyone force the user to 'find' a file location right away, upon > > opening a new document, and then persist everything happily in the > > background? > > > > I tend to this this is really just a Desktop paradigm question more than > > anything else. > _______________________________________________ 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
