Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Bloc PatternにおけるBloc分割の方針と実践例 / Division plan a...
Search
yamarkz
November 07, 2019
Programming
7
28k
Bloc PatternにおけるBloc分割の方針と実践例 / Division plan and practical example in bloc pattern
Flutter Meetup Tokyo #12
yamarkz
November 07, 2019
Tweet
Share
More Decks by yamarkz
See All by yamarkz
ネットスーパーの買い物体験を支える工夫と決済機能実現の過程
yamarkz
0
1.9k
Flutter/Dartと共に歩んだスタートアップの開発を振り返って得た、成功と失敗の教訓
yamarkz
5
3.2k
Smart Contract Design Pattern
yamarkz
4
2.9k
トークンの概要と開発観点から見たICO / Token and TokenSale
yamarkz
5
61k
Zilliqa Next Gen High Throughput Blockchain Platform
yamarkz
0
2.2k
詳解 Ethereum Transaction / detail ethereum transaction
yamarkz
5
2.8k
Proof of Stake Casper
yamarkz
8
13k
Blockchain R&D Introduction
yamarkz
2
51k
Bitcoin Improvement Flow
yamarkz
5
4.5k
Other Decks in Programming
See All in Programming
【TSkaigi 2025】これは型破り?型安全? 真実はいつもひとつ!(じゃないかもしれない)TypeScript クイズ〜〜〜〜!!!!!
kimitashoichi
1
300
Spring gRPC で始める gRPC 入門 / Introduction to gRPC with Spring gRPC
mackey0225
0
130
Agent Rules as Domain Parser
yodakeisuke
1
340
Devinで実践する!AIエージェントと協働する開発組織の作り方
masahiro_nishimi
6
2.6k
Practical Domain-Driven Design - Workshop at NDC 2025
mufrid
0
130
がんばりすぎないコーディングルール運用術
tsukakei
1
180
UPDATEがシステムを複雑にする? イミュータブルデータモデルのすすめ
shimomura
0
200
イベントストーミングから始めるドメイン駆動設計
jgeem
2
320
CRUD から CQRS へ ~ 分離が可能にする柔軟性
tkawae
0
230
AIにコードを生成するコードを作らせて、再現性を担保しよう! / Let AI generate code to ensure reproducibility
yamachu
7
6k
ts-morph実践:型を利用するcodemodのテクニック
ypresto
1
540
Cursor Meetup Tokyo ゲノミクスとCursor: 進化と制約のあいだ
koido
1
250
Featured
See All Featured
Java REST API Framework Comparison - PWX 2021
mraible
31
8.6k
Making Projects Easy
brettharned
116
6.2k
Fontdeck: Realign not Redesign
paulrobertlloyd
84
5.5k
[RailsConf 2023] Rails as a piece of cake
palkan
55
5.6k
Docker and Python
trallard
44
3.4k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
52
2.8k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3.2k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
PRO
19
1.3k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
48
5.4k
The Cult of Friendly URLs
andyhume
78
6.4k
Optimizing for Happiness
mojombo
378
70k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
137
34k
Transcript
,B[VLJ:BNBHVDIJZBNBSL[ 'MVUUFS.FFUVQ #MPD1BUUFSOʹ͓͚Δ#MPDׂͷํͱ࣮ફྫ (MPCBM#MPD-PDBM#MPD$PNQPOFOU#MPD5FNQMBUF#MPD
!ZBNBSL[,B[VLJ:BNBHVDIJ 4FSWFS.PCJMF"QQ&OHJOFFS!)PVTNBSU JOD
͢͜ͱ 'MVUUFSͰ։ൃ͢Δʹ͋ͨͬͯར༻ͨ͠#MPD1BUUFSOʹ͓͚Δɺ ࣮ύλʔϯͷಛͱྨɺͦͯ͠#MPDͷׂͰܾΊͨํΛհ͠·͢
ͷࡐΧϧ ɾ݄த०ʹ'MVUUFSͷΞϓϦΛϦϦʔε ϦϓϨΠε ɾ։ൃظؒि ɾ#MPD1BUUFSOͱ3Y%BSUΛ࠾༻ ɾ࡞ΒΕͨ#MPDͷݸ ɾϦϓϨΠεͷOPUFʹॻ͖·ͨ͠
ɾ݄த०ʹ'MVUUFSͷΞϓϦΛϦϦʔε ϦϓϨΠε ɾ։ൃظؒि ɾ#MPD1BUUFSOͱ3Y%BSUΛ࠾༻ ɾ࡞ΒΕͨ#MPDͷݸ ɾϦϓϨΠεͷOPUFʹॻ͖·ͨ͠ ͷࡐΧϧ ɾ࡞ΒΕͨ#MPDͷݸ ଟ͍ʁগͳ͍
͜ͷݸͷΈ͚ͱಛ͕ࠓճͷͷओͰ͢
#MPD1BUUFSOΛద༻ͨ͜͠ͱͰݟ͑ͨͭͷׂํ
ΞϓϦέʔγϣϯશମʹؔΘΔॲཧΛͭʹ·ͱΊΔ εΫϦʔϯ͚ͩͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ίϯϙʔωϯτͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ڞ௨Ͱར༻͢ΔॲཧΛͭʹ·ͱΊΔ #MPD1BUUFSOΛద༻ͨ͜͠ͱͰݟ͑ͨͭͷׂํ
ΞϓϦέʔγϣϯશମʹؔΘΔॲཧΛͭʹ·ͱΊΔ εΫϦʔϯ͚ͩͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ίϯϙʔωϯτͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ڞ௨Ͱར༻͢ΔॲཧΛͭʹ·ͱΊΔ #MPD1BUUFSOΛద༻ͨ͜͠ͱͰݟ͑ͨͭͷׂํ ΞϓϦέʔγϣϯશମʹ εΫϦʔϯ͚ͩͰ ίϯϙʔωϯτͰ ڞ௨Ͱ ํͷҧ͍είʔϓͷ͞
ΞϓϦέʔγϣϯશମʹؔΘΔॲཧΛͭʹ·ͱΊΔ εΫϦʔϯ͚ͩͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ίϯϙʔωϯτͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ڞ௨Ͱར༻͢ΔॲཧΛͭʹ·ͱΊΔ #MPD1BUUFSOΛద༻ͨ͜͠ͱͰݟ͑ͨͭͷׂํ ͳͥɺ͜ͷΈ͚͕ྑ͍ͷ͔ʁ
ͳͥɺ͜ͷΈ͚͕ྑ͍ͷ͔ʁ ͭͷओͳཧ༝ ΞϓϦɺεΫϦʔϯɺίϯϙʔωϯτͱ͍͏6*ߏΛ࣠ʹॲཧ͕·ͱ·ΔͨΊɺ ߏ͕୯७ͰΘ͔Γ͘͢ͳΔ ϑΝΠϧ૿͍͕͑͢ɺϑΝΠϧ͋ͨΓͷίʔυྔݮΔ είʔϓͷൣғ͕໌֬ʹఆ·ͬͨ#MPDΛ࡞ΔͨΊɺ#MPDࣗମ͕ૄ݁߹ʹͳΔɻ ݁Ռͱͯ͠ɺอकੑ͕ߴ͘ͳΓɺಡΈ͍͢ɺཧղ͍͢͠ɺมߋ͍͢͠ͱ͍ͬ ͨঢ়گʹͳΔ
#MPDͷ࣮ࣗମ͕ߏԽ͞ΕΔ͜ͱʹΑΓɺอकੑ্͕͕Δ
(MPCBM#MPD-PDBM#MPD$PNQPOFOU#MPD5FNQMBUF#MPD ׂํͷఆٛʹΑͬͯੜ·Εͨɺ#MPDͷྨ
(MPCBM#MPD ɾΞϓϦ୯ҐͰɺ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYೝূॲཧ ΠϕϯτετϦʔϜΛଞ#MPDʹ͢Δॲཧ -PDBM#MPD ɾεΫϦʔϯ୯ҐͰɺݶΒΕͨڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYඳը͢Δσʔλͷऔಘॲཧ ϦϩʔυͳͲͷը໘୯ҐͰߦΘΕΔॲཧ $PNQPOFOU#MPD
ɾίϯϙʔωϯτ୯ҐͰɺݶΒΕͨ෦ʹؔΘΔॲཧΛ·ͱΊΔ FYϢʔβʔΞΫγϣϯ͕ൃੜ͢Δॲཧ ͓ؾʹೖΓ আ 5FNQMBUF#MPD ɾڞ௨ͷॲཧ୯ҐͰɺݶΒΕͨڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYೝূॲཧ ྨࣅը໘ͷྨࣅॲཧ ׂํͷఆٛʹΑͬͯੜ·Εͨɺ#MPDͷྨ
(MPCBM#MPD ɾΞϓϦ୯ҐͰɺ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYೝূॲཧ ΠϕϯτετϦʔϜΛଞ#MPDʹ͢Δॲཧ -PDBM#MPD ɾεΫϦʔϯ୯ҐͰɺݶΒΕͨڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYඳը͢Δσʔλͷऔಘॲཧ ϦϩʔυͳͲͷը໘୯ҐͰߦΘΕΔॲཧ $PNQPOFOU#MPD
ɾίϯϙʔωϯτ୯ҐͰɺݶΒΕͨ෦ʹؔΘΔॲཧΛ·ͱΊΔ FYϢʔβʔΞΫγϣϯ͕ൃੜ͢Δॲཧ ͓ؾʹೖΓ আ 5FNQMBUF#MPD ɾڞ௨ͷॲཧ୯ҐͰɺݶΒΕͨڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ FYೝূॲཧ ྨࣅը໘ͷྨࣅॲཧ ׂํͷఆٛʹΑͬͯੜ·Εͨɺ#MPDͷྨ ΧϧΞϓϦͰͷ#MPDΛྨ͝ͱʹৼΓ͚Δͱ
(MPCBM#MPD ΞϓϦ୯ҐͰ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ "QQ 4DSFFO 4DSFFO 4DSFFO 4DSFFO #MPD
͓ؾʹೖΓը໘ ҟͳΔը໘ͷڞ௨ͷॲཧ πʔϧνοϓ Λɺ ಉҰͷ(MPCBM#MPDΛࢀর੍ͯ͠ޚ͍ͯ͠Δ (MPCBM#MPD ϗʔϜը໘ πʔϧνοϓͷදࣔ݅Λ੍ޚ͢Δ #MPDΛڞ௨Ͱࢀর
"QQ 4DSFFO 4DSFFO 4DSFFO 4DSFFO #MPD εΫϦʔϯ୯ҐͰݶΒΕͨڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ -PDBM#MPD
ϩάΠϯը໘ ɾαΠϯΠϯॲཧ ɾϩάΠϯॲཧ ɾ(PPHMFϩάΠϯॲཧ ɾ'BDFCPPLϩάΠϯॲཧ ɾϝʔϧΞυϨεͷόϦσʔτॲཧ ɾύεϫʔυͷόϦσʔτॲཧ ɾύεϫʔυͷද੍ࣔޚॲཧ ಛఆͷը໘ͷΈͰར༻͢Δॲཧ ϩάΠϯϩάΞτ
Λ੍ޚ͢Δ -PDBM#MPD
$PNQPOFOU#MPD ίϯϙʔωϯτ୯ҐͰ෦తʹؔΘΔॲཧΛ·ͱΊΔ 4DSFFO $PNQPOFOU $PNQPOFOU $PNQPOFOU $PNQPOFOU #MPD
͓ؾʹೖΓը໘ ϗʔϜը໘ $PNQPOFOU#MPD ҰݟҟͳΔ6*ߏ Χʔυܕ ϦετΞΠςϜܕ ʹݟ͑Δ
$PNQPOFOU#MPD $POE$BSE#MPD Λ࠶ར༻͍ͯ͠Δ ͔͠͠ɺഎޙͰར༻͍ͯ͠Δ#MPDಉҰͷͷ ڞ௨ॲཧͷ࠶ར༻ ϗʔϜը໘ ͓ؾʹೖΓը໘
5FNQMBUF#MPD 4DSFFO 5NQ #MPD #MPD #MPD 4DSFFO 4DSFFO ڞ௨ར༻͢Δॲཧ୯ҐͰڱ͍ൣғʹؔΘΔॲཧΛ·ͱΊΔ ܧঝ֦ͯ͠ு
ϓϨʔϯʹར༻
8FC7JFXͱͯ͠ͷجຊػೳಉ͡ͳͷͰɺಉҰͷ#MPDΛར༻͢Δ͕ɺ ֦ுػೳ͕ཉ͍͠߹ʹɺ#MPDࣗମΛܧঝͯ͠࠶ར༻ͭͭ͠ػೳՃ͢Δ #MPDΛܧঝ͠ɺ ػೳ֦ு͍ͯ͠Δ 1MBJOͳ#MPDΛ ͦͷ··ར༻͍ͯ͠Δ 5FNQMBUF#MPD ࣋ͪࠐΈը໘ αʔϏε֓ཁը໘
ΞϓϦέʔγϣϯશମʹؔΘΔॲཧΛͭʹ·ͱΊΔ εΫϦʔϯ͚ͩͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ίϯϙʔωϯτͰར༻͢ΔॲཧΛͭʹ·ͱΊΔ ڞ௨ར༻͢ΔॲཧΛͭʹ·ͱΊΔ #MPD1BUUFSOΛద༻ͨ͜͠ͱͰݟ͑ͨͭͷׂํ
l࡞ΒΕͨ#MPDͷݸzଟ͍ গͳ͍ʁ
l࡞ΒΕͨ#MPDͷݸzଟ͍ গͳ͍ʁ ݸਓతʹɺ͜Μͳͷ͔ͳͱ͍͏ײ͡ɻ ࠓͷͱ͜Ζ։ൃӡ༻తʹಛʹෆ߹Λײͯ͡ͳ͍Ͱ͕͢ɺ ͔ͨ͠͠Βকདྷతʹɺ՝ʹײ͡Δ͜ͱ͕ग़Δ͔ʜ
·ͱΊ ɾҰॏʹ#MPD1BUUFSOͱݴ͑Ͳɺѻ͍ํ༷ʑଘࡏ͢Δ ɾ(MPCBM -PDBM $PNQPOFOU 5FNQMBUFͦΕͧΕͷ͍ํΛݟۃΊͯѻ͏ ɾείʔϓͷ໌֬ԽɺߏԽʹΑΓɺอकੑͷߴ͍ΞϓϦέʔγϣϯ։ൃ͕ՄೳʹͳΔ #MPD1BUUFSOࣗମͷద༻ΛԣͷߏԽ 6*ͱϩδοΫͷ ͩͱ͢ΔͳΒɺ
#MPDͷ࣮ύλʔϯΛద༻͢Δ͜ͱɺॎͷߏԽ είʔϓʹΑΔϩδοΫ
͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ʂ