CoreDataによる データ駆動型 プログラミング

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1. CoreDataʹΑΔ σʔλۦಈܕ ϓϩάϥϛϯά Shinji Kobayashi GentleSoft
2. NameɿShinji Kobayashi Twitterɿ@gentlejkov GentleSoft Who are you? http://gentlesoft.net
3. Who are you? https://medpeer.jp
4. ΞδΣϯμ • CoreDataͬͯͳʹʁ • σʔλۦಈܕϓϩάϥϛϯάͬͯ ͳʹʁ • Ͳ͏΍࣮ͬͯ૷͢Δͷʁ
5. CoreDataͬͯͳʹʁ
6. CoreDataͱ͸Կ͔ • Apple͕ఏڙ͢ΔσʔλӬଓԽί ϯϙʔωϯτ
7. CoreDataͱ͸ԿͰͳ͍͔ • not DataBase • not ORM
8. not DataBase ?
9. not ORM ?
10. ͡Ό͋CoreDataͬͯԿͳͷ͞ • CoreDataΛ؅ཧ͢ΔΦϒδΣΫτ܈ NSManagedObjectContext σʔλͷૢ࡞Λ؅ཧ ɹNSPersistentStoreCoordinator σʔλϑΝΠϧΛ؅ཧ ɹNSManagedObjectModel σʔλͷߏ଄Λ؅ཧ
11. NSManagedObjectModel ͡Ό͋CoreDataͬͯԿͳͷ͞ σʔλͷߏ଄Λ؅ཧ
12. NSManagedObjectModel NSPersistentStoreCoordinator Data File ͡Ό͋CoreDataͬͯԿͳͷ͞ σʔλϑΝΠϧΛ؅ཧ
13. NSManagedObjectModel NSManagedObjectContext NSPersistentStoreCoordinator Data File ͡Ό͋CoreDataͬͯԿͳͷ͞ σʔλͷૢ࡞Λ؅ཧ
14. NSManagedObjectModel NSManagedObjectContext NSPersistentStoreCoordinator Application Program Data File ͡Ό͋CoreDataͬͯԿͳͷ͞ NSFetchRequest
15. NSManagedObjectModel NSManagedObjectContext NSPersistentStoreCoordinator Application Program Data File ͡Ό͋CoreDataͬͯԿͳͷ͞ NSArray
16. CoreDataͷ࢖͍ํ ৽نϓϩδΣΫτͰ Master-Detail ApplicationΛબΜͰɺ Use Core DataʹνΣοΫΛ͚ͭΑ͏
17. CoreData࢖͏ͱ͍͍͜ͱ͋Δͷʁ • ։ൃָ͕ɺࢼߦࡨޡ͠΍͍͢ •σʔλΛద౓ʹΩϟογϡͯ͘͠ΕΔ • NSFetchedResultsController͕࢖͑Δ
18. NSFetchedResultsControllerʁ • CoreDataͷσʔλͷมߋΛ؂ࢹ͠ ͯΞϓϦέʔγϣϯʹ௨஌ͯ͘͠Ε ΔΦϒδΣΫτ
19. ͭ·Γʁ • σʔλۦಈܕϓϩάϥϛϯάΛ αϙʔτ
20. σʔλۦಈܕ ϓϩάϥϛϯάͬͯͳʹʁ
21. σʔλۦಈʁ
22. Event User Πϕϯτۦಈʁ
23. Event User Display DataIO Πϕϯτۦಈʁ
24. Event User Data File Display DataIO Πϕϯτۦಈʁ
25. Event User Data File Display DataIO Πϕϯτۦಈʁ
26. Display Event DataIO User Data File Πϕϯτۦಈͷ໘౗ͳॴ Event2
27. Display Event DataIO User Data File DataIO Πϕϯτۦಈͷ໘౗ͳॴ DataIO Event2
28. Display Event DataIO User Data File DataIO Πϕϯτۦಈͷ໘౗ͳॴ DataIO Event2 Կ͔લ΋ಉ༷͡ͳ͜ͱ ॻ͍ͨͧʁ
29. Display Event DataIO User Data File Event2 Event3 Πϕϯτۦಈͷ໘౗ͳॴ
30. Display Event DataIO User Data File Event2 DataIO Event3 Πϕϯτۦಈͷ໘౗ͳॴ DataIO
31. Display Event DataIO User Data File Event2 DataIO Event3 Πϕϯτۦಈͷ໘౗ͳॴ DataIO Eventࣗମ͸ը໘ͱ ؔ܎ͳ͍ͧʁ
32. Display Event DataIO User Data File Event2 DataIO Data Manager ͖ͬ͢Γʂ ͕ͩ଴ͯʂ ͜Εɺ࣮૷ େม͡Όͳ͍ʁ σʔλۦಈʁ
33. User σʔλۦಈʁ
34. Event User σʔλۦಈʁ
35. Event DataIO User σʔλۦಈʁ
36. Event DataIO User Data File σʔλۦಈʁ
37. Event DataIO User Data File Data Manager σʔλۦಈʁ
38. Display Event DataIO User Data File Data Manager σʔλۦಈʁ
39. Display Event DataIO User Data File Event2 Data Manager σʔλۦಈʁ
40. Display Event DataIO User Data File Event2 DataIO Data Manager σʔλۦಈʁ
41. Display Event DataIO User Data File Event2 DataIO Data Manager ͖ͬ͢Γʂ σʔλۦಈʁ
42. Display Event DataIO User Data File Event2 DataIO Data Manager σʔλۦಈʁ ͕ͩ଴ͯʂ
43. Display Event DataIO User Data File Event2 DataIO Data Manager σʔλۦಈʁ ͜Εɺ࣮૷ େม͡Όͳ͍ʁ
44. NSFetchedResultsController σʔλۦಈʂ Display Event DataIO User Data File Event2 DataIO
45. Ͳ͏΍࣮ͬͯ૷͢Δͷʁ
46. - (void)controllerWillChangeContent:(NSFetchedResultsController *)controller - (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id <NSFetchedResultsSectionInfo>)sectionInfo atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type - (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath - (void)controllerDidChangeContent:(NSFetchedResultsController *)controller NSFetchedResultsController͕ ఏڙ͢Δdelegate
47. - (void)controllerWillChangeContent:(NSFetchedResultsController *)controller NSFetchedResultsController͕ ఏڙ͢Δdelegate σʔλͷߋ৽͕։࢝͞ΕΔࡍʹݺ͹ΕΔ
48. - (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id <NSFetchedResultsSectionInfo>)sectionInfo atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type NSFetchedResultsController͕ ఏڙ͢Δdelegate ηΫγϣϯʹߋ৽͕͋ͬͨࡍʹݺ͹ΕΔ
49. - (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath NSFetchedResultsController͕ ఏڙ͢Δdelegate σʔλʹߋ৽͕͋ͬͨࡍʹݺ͹ΕΔ
50. - (void)controllerDidChangeContent:(NSFetchedResultsController *)controller NSFetchedResultsController͕ ఏڙ͢Δdelegate σʔλͷߋ৽͕׬ྃͨ͠ࡍʹݺ͹ΕΔ
51. - (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath ͜͜Ͱը໘ͷσʔλΛߋ৽ ߋ৽ͷ͋ͬͨΦϒδΣΫτ ߋ৽͞Εͨߦ มߋλΠϓ (C-UD+M) Ҡಈޙͷߦ
52. NSFetchedResultsControllerͬͯ UITableViewͷͨΊͷ෺͡Όʁ ͦΕ͚ͩ͡Ό΋͍ͬͨͳ͍
53. ΄Μͱʹʁ https://github.com/gentlesoft/ NSFetchedResultsControllerSample
54. ஫ҙʂ • ΦϒδΣΫτͷͲͷଐੑʹߋ৽͕͋ͬ ͔ͨ͸෼͔Βͳ͍ • ήʔϜͳͲԠ౴଎౓ʹγϏΞͳΞϓ Ϧέʔγϣϯʹ͸޲͔ͳ͍ • didChangeObjectͷίʔϧ͕࿈ଧ͞Ε Δέʔε͕͋Δ
55. ͝ਗ਼ௌ͋Γ͕ͱ͏ ͍͟͝·ͨ͠