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Swift coding Strategy
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Takaaki Tanaka
April 17, 2017
Technology
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1.6k
Swift coding Strategy
AKIBA.swift 1周年記念での発表スライドです
テックな内容は皆無です
https://classmethod.connpass.com/event/53603/
Takaaki Tanaka
April 17, 2017
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Transcript
2017/04/17 Swift coding Strategy AKIBA.swift Ұपه೦ษڧձ
About Me
• ాத ໌ (Takaaki Tanaka) • Ϋϥεϝιουגࣜձࣾ • ϞόΠϧόοΫΤϯυ •
@kongmingtrap • Swift / Objective-C / Scala / JavaScript … • GyazSquare / GitHub
˞ࣄͰ͢
None
ؓٳ
Strategy
Strategy Pattern
Strategy Pattern // MARK: - Interface public protocol TodoRepository {
func get(_ handler: @escaping (Result<[TodoEntity]>) -> Void) } // MARK: - Implementation final class TodoRepositoryImpl: TodoRepository { private let dataStore: TodoDataStore public init(dataStore: TodoDataStore) { self.dataStore = dataStore } func get(_ handler: @escaping (Result<[TodoEntity]>) -> Void) { dataStore.get(with: ["filter": "all"]).onSuccess { entities in let result = Result<[TodoEntity]>.success(entities) handler(result) }.onFailure { error in let result = Result<[TodoEntity]>.failure(error) handler(result) } } }
Strategy Pattern typealias TodoListComplitionHandler = ([TodoModel]?) -> Void // MARK:
- Interface protocol TodoListUseCase { func fetchTodos(_ complite: TodoListComplitionHandler?) } // MARK: - Implementation struct TodoListUseCaseImpl: TodoListUseCase { private let todoRepository: TodoRepository public init(todoRepository: TodoRepository) { self.todoRepository = todoRepository } public func fetchTodos(_ compliton: TodoListComplitionHandler?) { todoRepository.get { result in switch result { case .success(let value): let todoModels = try! TodoTranslator().translate(value) compliton?(todoModels) case .failure(let error): print(error) compliton?(nil) } } } }
Strategy Pattern 4USBUFHZ1BUUFSOΞϧΰϦζϜͷηοτΛఆ ٛ͢Δํ๏Λఏڙ͠ɺ͜ΕΒΛަՄೳʹ͢Δ ͜ͱΛతͱ͍ͯ͠Δɻ4USBUFHZ1BUUFSOΑΓɺ ΞϧΰϦζϜΛ༻ऀ͔Βಠཱͨ͠··༷ʑʹ มԽͤ͞Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔɻ
Strategy Pattern 4USBUFHZ1BUUFSOΞϧΰϦζϜͷηοτΛఆ ٛ͢Δํ๏Λఏڙ͠ɺ͜ΕΒΛަՄೳʹ͢Δ ͜ͱΛతͱ͍ͯ͠Δɻ4USBUFHZ1BUUFSOΑΓɺ ΞϧΰϦζϜΛ༻ऀ͔Βಠཱͨ͠··༷ʑʹ มԽͤ͞Δ͜ͱ͕Ͱ͖ΔΑ͏ʹͳΔɻ
Strategy of AKIBA.swift
Strategy ઓུʢͤΜΓΌ͘ɺӳ4USBUFHZʣɺҰൠతʹಛఆͷඪ Λୡ͢ΔͨΊʹɺظతࢹͱෳ߹ࢥߟͰྗࢿݯΛ૯߹త ʹӡ༻͢Δٕज़ɾՊֶͰ͋Δɻ
Strategy IUUQXXXJUNFEJBDPKQCJ[JEBSUJDMFT OFXTIUNM
Strategy w όουϊϋͳͲɺΫϥεϝιου͚ͩͰ ڞ༗Ͱ͖ͳ͍ใΛΛ௨ͯ͡ڞ༗Ͱ͖ΔΑ ͏ʹ͢Δ w ༗໊ਓͷํͱͭͳ͕ͬͯɺࠔͬͨͱ͖ʹฉ͚ ΔΑ͏ʹ͢Δ w Ϋϥεϝιου͔ΒελʔϓϨΠϠʔΛഐग़
͢Δ
Tactics w ִ݄ͰษڧձΛ։࠵͢Δ w ։࠵ϒϩάΛॻ͘ w ήετεϐʔΧʔΛট͘ w ॴΛఏڙ͢Δ w
ຖճςʔϚʹԊͬͯืूΛ͔͚Δ
USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր
88%$ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લʹࠂ͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪձWPM ݄ ",*#"TXJGUҰपه೦ษڧձʂ ݄ ։࠵ཤྺ
USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր
88%$ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લʹࠂ͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪձWPM ݄ ",*#"TXJGUҰपه೦ษڧձʂ ݄ ։࠵ཤྺ
USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր
88%$ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લʹࠂ͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪձWPM ݄ ",*#"TXJGUҰपه೦ษڧձʂ ݄ ςʔϚ͕ܾ·Βͳ͔ͬͨճ
USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր
88%$ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લʹࠂ͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪձWPM ݄ ",*#"TXJGUҰपه೦ษڧձʂ ݄ ϗʔϜͰ։࠵͠ͳ͔ͬͨճɹ#AKIBA #ͱ
USZ4XJGUৼΓฦΓษڧձ Ր 4XJGUͱ0CKFDUJWF$ͱͷจ๏ൺֱ Ր
88%$ใڞ༗ձ ۚ 4XJGU-5େձʂ Ր εϖγϟϧίϥϘʂʂ ݄ ϑϦʔτʔʔΫʂʂ Ր GBTUMBOFϋϯζΦϯ Ր ϑϦʔτʔʔΫʂʂ Ր લʹࠂ͢ΔษڧձɺͦΕ͕",*#"TXJGU Ր ϑϦʔτʔʔΫʂʂ Ր ,ZPCBTIJTXJGUY",*#"TXJGU߹ಉษڧձ ਫ ",*#"TXJGUº4XJGUѪձWPM ݄ ",*#"TXJGUҰपه೦ษڧձʂ ݄ ͦͦษڧձ͡Όແ͍
Tactics w ִ݄ͰษڧձΛ։࠵͢Δ w ։࠵ϒϩάΛॻ͘ w ήετεϐʔΧʔΛট͘ w ॴΛఏڙ͢Δ w
ຖճςʔϚʹԊͬͯืूΛ͔͚Δ
ͦΕඞউͷज़ɺ ߹มͷܗػʹ͋Γɻ
w ઓུΑΓઓज़ w ༏लͳޙํࢧԉʹΑͬͯࢧ͑ΒΕ͖ͯ ·ͨ͠ w ϒϩάඞͣ࣍ͷ·Ͱʹॻ͘ Recap
ΑΖ͓͘͠Ͷ͕͍͠·͢
0OFNPSFUIJOHʜ
IUUQEFWDMBTTNFUIPEKQOFXTNPCJMFUFBNJOPTBLBWPM
w ݄ w #6,630TXJGUY",*#"TXJGU w DPNJOHTPPOʜ
͓ΘΓ