How to create an entity dynamically in Objective-C?

Question

I am creating an iPad application where I need a user to create an entity dynamically. I already have 3 objects that the program uses.
Could you help me with the code, how to do this?

I want to understand the whole structure in accordance with my understanding, I need to create a new managedObjectModel, add new entities and merge it with an existing one, is this correct?

Answer 1

While in practice it is practically impossible to create a new entity and a new model, in practice it is very difficult. If you no longer have to transfer any existing persistent data to the new model and the new persistent storage file. I highly recommend not trying this, especially if you are just starting out with Core Data.

You have options:

First, are you sure you really need a new facility? People just starting out with Core Data often mistakenly accept objects for managed objects. Objects are managed objects because classes are instances. Objects are abstractions used to create a graph of objects. In fact, they do not contain data. The time when you need new entities is very, very rare.

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Answer 2

- NSEntityDescription, setEntities: . , , .

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