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where the business logic is hosted) and become an implementation detail. Core Data should be pushed outside the domain (i.e.

It's easy to create Data Transfor Objects in Swift using structs, for example. Adopting Domain-Driven Design thinking, small service objects are favorable.It'd be easier to maintain the code if you model entities for each " Bounded Context" separately. Cocoa Bindings make a lot of the magic possible, but they come at a cost: the Core Data entities (or NSManagedObject subclasses, for that matter) are bound to do a lot of different things for different "clients", wheras by 'client' I mean consuming views, background services, and the like. It works best when you couple everything, beginning at the user interface, to Core Data entities. Apple's Core Data is a very invasive framework.I want to share the core ideas and theses of the book with you: Using the latest technology and a head-start into Swift programming, this book will show you the pro's and con's of several design decisions and discuss alternative approaches so you get to know your options. To develop Mac applications, you'll need to know why and how to separate components. It will make you a happier developer, even when you're just exploring new parts of the Cocoa Framework. separate the components of your application.Īll this will make your application easier to change and easier to maintain.get a solid test harness up and running, and.Own the alternatives, and design your code accordingly to gain confidence that your stuff is really working. So better know the reasons for the moves you take. You do some kind or other of what may be called "software architecture" anyway. Driven by Example, this Book Applies Useful Patterns of Clean Software Architecture to Mac App Development