GCD / Dispatch IO and NSIncrementalStore
GCD / Dispatch IO and NSIncrementalStore
- Subject: GCD / Dispatch IO and NSIncrementalStore
- From: Brad Gibbs <email@hidden>
- Date: Wed, 27 Jul 2011 09:47:17 -0400
Hi,
I've been following the Using a GCD Client thread and the thread in iOS5 on devforums, and I have a related question.
I'm working on a Core Data-based app with a server and several clients messaging over a local network. I've been using CocoaAsyncSocket for testing.
I spoke with a Core Data developer at WWDC this year about how NSIncrementalStore could work in my app. He suggested using dispatch_io in combination with NSIncrementalStore.
My understanding of how this would work is sketchy, at best. I think the idea is that a client updates an NSIncrementalStoreNode, serializes the changes and sends them to the server using dispatch_io. My development has been stalled for a while now, waiting for the NDA on Lion to be lifted and waiting for someone to write a blog post or a book covering the topic or waiting for a sample app from Apple. The approach seems very similar to the approach suggested in a session at WWDC 2010 -- Building a Server-Driven User Experience. But, what little I've found on NSIncrementalStore seems to imply that the API is meant to be used with some kind of web server back-end.
When the fog surrounding NSIncrementalStore lifts, will this be a viable approach? Just as the OP in the devforums thread managed to save a lot of time by moving to NSURLConnection, I'm hoping to avoid problems I don't fully understand.
Thanks.
Brad
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