Am I missing something? Save or Commit method about magicalrecord HOT 6 CLOSED

call [[NSManagedObjectContext defaultContext] save];

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I know I can always grab the managed object context and save. Doing this feels contrary to the whole point of this type of library, which in a lot of ways is trying to hide the verbosity of the Core Data API. Does it make more sense to perform a performSaveDataOperationWithBlock?

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Or, you can use the one in your new entity:

MyEntity *m = [MyEntitty createEntity];
[m.managedObjectContext save];

Remember, Core Data is an object graph, and is a little different from other "ORM"s. The Managed Object Context manages saves, not the entities themselves.

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@casademora That makes sense. I guess I need to get used to Core Data, spent to much time with RoR...

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The performSaveOperationWithBlock is an attempt to hide the nasty setup require when saving stuff to another context, and then syncing it up with the main context. This method is also used when performing saves in the background.

I have resisted putting a save method on the entity objects themselves because it'll never be saving only that object...since saves are always performed on the context containing many entities, you could also be persisting your deletes, updates and insert for other changes.

That said, I also tried to name this library to reflect the subset of the Active Record pattern that applies, namely the fetching part. I do plan, however, to change the name of the library in the near future so that there is less confusion with the Active Record pattern.

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Yes, it would be misleading to have an instance method on an entity for save or commit. In that light it makes more sense to use the [[NSManagedObjectContext defaultContext] save] call as it clearly shows that the action will save the entire context. Makes no difference in effect but shows the devs not just the intent but what will actually happen.

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