layered arch with swinject

potatotips#34で話した際に使ったスライドです。iOSの話です。

Transcript

1. -BZFSFE
   "SDIJUFDUVSFͰ
   ֤૚ͷґଘؔ܎ղܾΛ
   4XJOKFDUΛ༻͍ͯߦ͏ QPUBUPUJQT
   
   !LHNZTIJO
2. ࣗݾ঺հ w ఝٶͰ͢
   w ΤϯδχΞͰ͢
   w ෱Ԭݝ෱Ԭࢢೆ۠໺ଟ໨ग़਎Ͱ͢
3. ͜ͷൃදΛฉ͘৺ߏ͑ w ͜ͷൃද͸ɺʮ΄Βɺ͜Ε͕ਖ਼ٛͩͥʂʯ͍ͬͯ͏ ΋ͷͰ͸͋Γ·ͤΜɻ
   w ʮ͜͏͍͏΍Γํ΍ͬͯΈͨΒɺ͖ͬ͢Γͨ͠Αʂ ͳΜ͔ଞʹྑ͍΍Γํ͋ͬͨΒڭ͑ͯ͘Εʯͬͯײ ͡ͷൃදͰ͢ɻ
   w ͱ͍͏ࢫΛ஌্ͬͨͰฉ͍͍ͯͩ͘͞ɻ
4. BHFOEB w %*ͱ͸
   w -BZFSFE
   "SDIJUFDUVSFͱ͸
   w ࣮૷ྫ
   w ·ͱΊ
5. %*ͱ͸
6. %*ͱ͸ w ґଘੑͷ஫ೖ
   w ͋ΔΫϥεͷͱ͋ΔৼΔ෣͍ʹ͓͚ΔඞཁͳΦϒ δΣΫτΛ֎෦͔Βηοτͯ͋͛͠Δ͜ͱ
7. %*͡Όͳ͍࣌
   
   OFX class PokemonListViewController: UIViewController { var pokemonList: [Pokemon] = [] override func viewDidLoad() { let repository = RealmPokemonRepository() pokemonList = repository.findAll() } }
8. %*͡Όͳ͍࣌
   
   OFX class PokemonListViewController: UIViewController { var pokemonList: [Pokemon] = [] override func viewDidLoad() { let repository = RealmPokemonRepository() pokemonList = repository.findAll() } }
9. %*͡Όͳ͍࣌
   TJOHMFUPO class PokemonListViewController: UIViewController { var pokemonList: [Pokemon] = [] override func viewDidLoad() { let repository = RealmPokemonRepository.sharedInstance pokemonList = repository.findAll() } }
10. %*͡Όͳ͍࣌
    TJOHMFUPO class PokemonListViewController: UIViewController { var pokemonList: [Pokemon] = [] override func viewDidLoad() { let repository = RealmPokemonRepository.sharedInstance pokemonList = repository.findAll() } }
11. %* class PokemonListViewController: UIViewController { var repository: RealmPokemonRepository? var pokemonList: [Pokemon]? override func viewDidLoad() { pokemonList = repository?.findAll() } }
12. %* class PokemonListViewController: UIViewController { var repository: RealmPokemonRepository? var pokemonList: [Pokemon]? override func viewDidLoad() { pokemonList = repository?.findAll() } }
13. -BZFSFE
    "SDIJUFDUVSF ͱ͸
14. -BZFSFE
    "SDIJUFDUVSFͱ͸ w ҙຯͷ͋Δ·ͱ·ΓΛ૚ͱ͢Δ
    w ૚ؒͷґଘ͸ૄʹ͢΂͠
    w ͦ͏͢Δ͜ͱͰۃ୺ͳ࿩ɺ૚Λؙ͝ͱεύοͱೖΕସ͑ͨ ΓͰ͖Δ
    w ϓϨθϯςʔγϣϯϨΠϠʔΛεύοͱΞϓϦ͡Όͳͯ͘΋ ίϚϯυϥΠϯʹ੾Γସ͑ͯ΋࢖͑ΔΑϨϕϧ
    w ΧʔωϧͩͬͨΓͷԼճΓͰ΋ࣅͨΑ͏ͳߟ͑ํ͋Γ·͢Α Ͷɻ)"-૚ͩͬͨΓɻ
15. ૚ؒͷґଘ͕ૄͱ͸ w Լͷ૚͸্ͷ૚ʹґଘ͠ͳ͍ ·ͬͨ͘஌Βͳ͍
    w ্ͷ૚͸Լͷ૚ͷJOUFSGBDF
    QSPUPDPM
    ͔͠஌Βͳ͍
    w 64#Λྫʹ͢ΔͱΘ͔Γ΍͍͔͢΋ʁ
 64#Λ࢖͏ଆ͸ܗͱϓϩτίϧ͚ͩ஌͍ͬͯΕ͹ɺ 64#ଆ͸Կ͕ͬͯ͞͞དྷΔͷ͔શ͘஌Βͳ͍Ͱ 0,ɻ
    w ͜͜ʹ%*Λ࢖͏ͱྑ͍
16. ࣮૷ྫ
17. ྫ͑͹͜Μͳઃܭ Πϯϑϥ૚
    σʔλͷӬଓԽͳͲΛ੹຿ͱ͢Δ υϝΠϯ૚
    ۀ຿ϩδοΫ૚ ΞϓϦέʔγϣϯ૚
    ΞϓϦͷͨΊͷϩδοΫΛఏڙ͢Δ૚ ϓϨθϯςʔγϣϯ૚
    Ͳ͏͍͏෩ʹݟ͑Δ͔Λఏڙ͢Δ૚ ্ͷ૚͸Լͷ૚ ʹґଘ͍ͯ͠Δ
18. ֓ཁ w ԼهͷͭΛ࡞ͬͨ
    w *OGSB$POUBJOFS
    w %PNBJO$POUBJOFS
    w "QQMJDBUJPO$POUBJOFS
    w *OKFDUPS
19. 999
    $POUBJOFS w 999
    $POUBJOFS͸࠷্ҐϨΠϠʔҎ֎ͷϨΠϠʔͰ ࡞Δɻ
    w ͋ΔQSPUPDPMʹରͯ͠Ͳͷ۩ମΫϥεΛฦ͔͢Λ੹ ຿ͱͯ࣋ͭ͠
20. *OGSB
    $POUBJOFS w *OGSB
    -BZFSͰఏڙ͍ͯ͠Δ
    QSPUPDPM
    ͱ࣮ࡍʹ࢖Θ ΕΔ۩ମΫϥε͕ͲΕͳͷ͔Λఆٛ͢Δ
21. *OGSB
    $POUBJOFS class InfraContainer { static func register(container: Container) { container.register(UserBehaviorEventRepository.self) { _ in RealmUserBehaviorEventRepository() } container.register(ContentsLoader.self) { _ in InternalContentsLoader() } container.register(AppUpdateChecker.self) { _ in NetworkAppVersionChecker() } container.register(RealmInitializer.self) { r in return RealmInitializer(contentsLoader: r.resolve(ContentsLoader.self)!) } } }
22. *OGSB
    $POUBJOFS class InfraContainer { static func register(container: Container) { container.register(UserBehaviorEventRepository.self) { _ in RealmUserBehaviorEventRepository() } container.register(ContentsLoader.self) { _ in InternalContentsLoader() } container.register(AppUpdateChecker.self) { _ in NetworkAppVersionChecker() } container.register(RealmInitializer.self) { r in return RealmInitializer(contentsLoader: r.resolve(ContentsLoader.self)!) } } } w ఏڙ͍ͯ͠ΔQSPUPDPM
23. *OGSB
    $POUBJOFS class InfraContainer { static func register(container: Container) { container.register(UserBehaviorEventRepository.self) { _ in RealmUserBehaviorEventRepository() } container.register(ContentsLoader.self) { _ in InternalContentsLoader() } container.register(AppUpdateChecker.self) { _ in NetworkAppVersionChecker() } container.register(RealmInitializer.self) { r in return RealmInitializer(contentsLoader: r.resolve(ContentsLoader.self)!) } } } w ࣮ࡍʹ࢖ΘΕΔ۩ମΫϥε
24. ॳظԽ @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var injector: Injector? func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { let container: Container = Container() InfraContainer.register(container) DomainContainer.register(container) UseCaseContainer.register(container) injector = Injector(container: container) : } : } ֤ϨΠϠʔͷந৅۩ମϚοϓΛొ࿥
25. ॳظԽ @UIApplicationMain class AppDelegate: UIResponder, UIApplicationDelegate { var injector: Injector? func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool { let container: Container = Container() InfraContainer.register(container) DomainContainer.register(container) UseCaseContainer.register(container) injector = Injector(container: container) : } : } *OKFDUPSΛ࡞੒
26. *OKFDUPS w Կ͔ʹґଘ͍ͯ͠ΔΦϒδΣΫτʹґଘ͍ͯ͠Δ΋ͷΛηοτͯ͠ ͋͛Δਓ
    w *OKFDUPS͸DPOUBJOFSΛϝϯόͱͯ࣋ͭ͠
    w 7JFX$POUSPMMFSͳͲґଘͯ͠ΔଆຖʹͦΕΛҾ਺ͱͨ͠JOKFDUϝιο υΛ͍࣋ͬͯΔ
    w *OKFDUPS͸"QQ%FMFHBUF͕࣋ͭ
    w 7JFX$POUSPMMFSͷWJFX%JE-PBEͳͲͰ
    BQQ%FMFHBUFJOKFDUPSJOKFDU TFMG Λݺͼग़͢͜ͱͰϝϯόʔ͕JOKFDU ͞ΕΔ
27. *OKFDUPS class InputViewController: UIViewController, UINavigationControllerDelegate { var userBehaviorEventRepository: UserBehaviorEventRepository? = nil : } ͜ͷΑ͏ʹ
    6TFS#FIBWJPS&WFOU3FQPTJUPSZ
    ʹґଘ͢Δ *OQVU7JFX$POUSPMMFS͕͋Δͱ͢Δ
28. *OKFDUPS class Injector { private let container: Container init(container: Container) { self.container = container } func inject(inputViewController: InputViewController) { inputViewController.userBehaviorEventRepository = container.resolve(UserBehaviorEventRepository.self) } func inject(resultViewController: ResultViewController, pokemon: Pokemon) { resultViewController.userBehaviorEventRepository = container.resolve(UserBehaviorEventRepository.self) } } *OKFDUPS͸*OQVU7JFX$POUSPMMFSΛҾ਺ʹ࣋ͬͨJOKFDUϝιο υΛ࣋ͪɺͦ͜Ͱґଘ͍ͯ͠Δ΋ͷΛηοτͯ͋͛͠Δ
29. *OKFDUPS *OKFDUPSΛ༻͍ͯJOKFDUΛݺͿ class InputViewController: UIViewController, UINavigationControllerDelegate { var userBehaviorEventRepository: UserBehaviorEventRepository? = nil override func viewDidLoad() { appDelegate?.injector?.inject(self) : } : }
30. ͳʹ͕ྑ͍͔ʁ վΊͯ
    ґଘ͢Δଆ͕શ͘۩ମΫϥεΛ஌Βͳͯ͘ྑ͍ class InputViewController: UIViewController, UINavigationControllerDelegate { var userBehaviorEventRepository: UserBehaviorEventRepository? = nil : } த਎͕3FBMNͰͰ͖͍ͯΔͷ͔ͳͲɺ஌Δඞཁͷ ͳ͍͜ͱΛ஌Βͳ͍ɻ
31. ͳʹ͕ྑ͍͔ʁ σʔλ૚
    σʔλͷӬଓԽΛ੹຿ͱ͢Δ υϝΠϯ૚
    ۀ຿ϩδοΫ૚ ΞϓϦέʔγϣϯ૚
    ΞϓϦͷͨΊͷϩδοΫΛఏڙ͢Δ૚ *OGSB
    $POUBJOFS %PNBJO
    $POUBJOFS "QQMJDBUJPO
    $POUBJOFS ͋Δ૚͕ԿΛఏڙ͍ͯ͠Δͷ͔͸ͦͷ૚Ͱͭͷ$POUBJOFS ΛݟΕ͹͙͢Θ͔ΔͷͰɺίʔυΛಡΉͱ͖ʹ໎Θͳ͍ɻ
32. ·ͱΊ w ֤ϨΠϠʔͰͲͷΫϥεΛఏڙ͢Δͷ͔ʹ͍ͭͯ੹೚Λ࣋ͬͯ Δਓ͕͍Δ
    w ֤ϨΠϠʔͷґଘͯ͠Δଆ͸ɺଞͷϨΠϠʔͷ۩ମΫϥεΛҰ ੾஌Βͳͯ͘ྑ͍
    w 7JFX$POUSPMMFS͕Ͳ͜ʹσʔλΛอଘ͢ΔͳͲͷ͍Βͳ͍৘ ใΛ஌Βͳͯ͘ྑ͍
    w ςετ͠΍͍͢
    w γϯάϧτϯʹґଘͨ͠ઃܭ͔Βղ์͞ΕΔ