Modern Core Data(iOS 10)

potatotips #33 http://potatotips.connpass.com/event/38557/

1. import CoreData ࠷ۙɺCore DataͲ͏Ͱ͔͢? @nolili Noritaka Kamiya
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
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24. ͭΒ͍
25. ॳݟࡴ͠
26. NSPersistentContainer
27. /41FSTJTUFOU$POUBJOFS NSPersistentContainer(name: "iOS10Sampler")
28. /41FSTJTUFOU4UPSF$PPSEJOBUPS /4.BOBHFE0CKFDU.PEFM /4.BOBHFE0CKFDU$POUFYU /4.BOBHFE0CKFDU$POUFYU
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    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
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