Modern Core Data(iOS 10)

Transcript

1. import CoreData ࠷ۙɺCore DataͲ͏Ͱ͔͢? @nolili Noritaka Kamiya

2. None
3. None
4. None
5. None

6. CoreData

7. CoreData

8. NSAsynchronousFetchRequest NSFetchRequest<ResultType> NSPersistentContainer

9. NSFetchRequest<ResultType>

10. let request = NSFetchRequest(entityName: "Message") context.fetch(request) as! [Message] Force Casting!

    Before

11. let request: NSFetchRequest<Message> = Message.fetchRequest() // fetchRequest() -> NSFetchRequest<T> ͸ࣗಈੜ੒͞ΕΔ

    let messages = context.fetch(request) // [Message] After

12. NSFetchRequest<ResultType> NSManagedObjectͷαϒΫϥεΛfetch͢Δ৔߹ʹศར SwiftϑϨϯυϦʔʹ Swift/Objective-C

13. NSAsynchronousFetchRequest

14. let request: NSFetchRequest<Message> = Message.fetchRequest() let asyncRequest = NSAsynchronousFetchRequest<Message>(fetchRequest: request)

    { result in let messages = messages = result.finalResult ?? [] } try! managedObjectContext.execute(asyncRequest)

15. let result: NSAsynchronousFetchResult = try! managedObjectContext.execute(asyncRequest) result.cancel()

16. NSAsynchronousFetchRequest closureΛ࢖ͬͨඇಉظϑΣονָ͕ʹॻ͚Δ Ωϟϯηϧ͕Ͱ͖Δ ϑΣονͷProgress΋औಘͰ͖Δ iOS 8~

17. NSPersistentContainer

18. Α͋͘ΔCore DataͷηοτΞοϓ

19. /41FSTJTUFOU4UPSF

20. /4.BOBHFE0CKFDU.PEFM /41FSTJTUFOU4UPSF

21. /41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /41FSTJTUFOU4UPSF

22. /41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /41FSTJTUFOU4UPSF

23. /41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /4.BOBHFE0CKFDU$POUFYU
    1SJWBUF
    2VFVF /41FSTJTUFOU4UPSF

24. ͭΒ͍

25. ॳݟࡴ͠

26. NSPersistentContainer

27. /41FSTJTUFOU$POUBJOFS NSPersistentContainer(name: "iOS10Sampler")

28. /41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /4.BOBHFE0CKFDU$POUFYU
    1SJWBUF
    2VFVF /41FSTJTUFOU4UPSF NSPersistentContainer(name: "iOS10Sampler") /41FSTJTUFOU$POUBJOFS

29. It just works

30. NSPersistentContainer (iOS 10~) Α͋͘ΔCoreDataͷηοτΞοϓΛ؆ུԽ طʹ࢖͍ͬͯΔਓʹ͸౰ͨΓલ͔΋͠Εͳ͍͚Ͳͱ͖ͬͭʹ͘͞͸؇࿨͞Ε͍ͯΔ ۜͷ஄ؙͰ͸ͳ͍ɻCoreDataΛ࢖͍͜ͳͨ͢Ίʹ֮͑ͳ͚Ε͹͍͚ͳ͍͜ͱ͸ଟ͍ɻ NSPersistentStoreDescription Λ࢖͑͹ࡉ͔ͳઃఆมߋ΋Մ

31. None
32. None

33. References iOS 10 Sampler https://github.com/shu223/iOS-10-Sampler What’s new in Core Data

    https://developer.apple.com/videos/play/wwdc2016/242/ SwiftʴCore DataʹΑΔiOSΞϓϦϓϩάϥϛϯά (੢ํՆࢠɺ ؙࢁ߂ࢻ) https://book.mynavi.jp/ec/products/detail/id=50729

34. https://www.wantedly.com/projects/61105

35. import CoreData ࠷ۙɺCore DataͲ͏Ͱ͔͢? @nolili Noritaka Kamiya