How to save objects using Multi-Threading in Core Data?

Posted by Konstantin on Stack Overflow See other posts from Stack Overflow or by Konstantin
Published on 2010-03-16T23:27:53Z Indexed on 2010/03/16 23:31 UTC
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Filed under:

core-data

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iphone-sdk

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multithreading

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cocoa-touch

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best-practices

I'm getting some data from the web service and saving it in the core data. This workflow looks like this:

get xml feed
go over every item in that feed, create a new ManagedObject for every feed item
download some big binary data for every item and save it into ManagedObject
call [managedObjectContext save:]

Now, the problem is of course the performance - everything runs on the main thread. I'd like to re-factor as much as possible to another thread, but I'm not sure where I should start. Is it OK to put everything (1-4) to the separate thread?

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