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 and practical example in bloc pattern
Search
Kazuki YAMAGUCHI
November 07, 2019
Programming
7
27k
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
Kazuki YAMAGUCHI
November 07, 2019
Tweet
Share
More Decks by Kazuki YAMAGUCHI
See All by Kazuki YAMAGUCHI
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
1.6k
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
3k
Smart Contract Design Pattern
yamarkz
4
2.7k
トークンの概要と開発観点から見たICO / Token and TokenSale
yamarkz
5
60k
Zilliqa Next Gen High Throughput Blockchain Platform
yamarkz
0
2k
詳解 Ethereum Transaction / detail ethereum transaction
yamarkz
5
2.5k
Proof of Stake Casper
yamarkz
8
13k
Blockchain R&D Introduction
yamarkz
2
50k
Bitcoin Improvement Flow
yamarkz
5
4.3k
Other Decks in Programming
See All in Programming
チームでモデリングを育てるうえで 考えたこと・気づいたこと / Cultivating Modeling in Teams: Thoughts and Insights
mackey0225
7
4.1k
オブジェクト指向のリ・オリエンテーション~歴史を振り返り、AI時代に向きなおる~
hanyudaeiiti
9
5.6k
Rails と人魚の話/rails-and-mermaid
sanfrecce_osaka
0
100
CircleCIを活用して AWSへの継続的デリバリーを 実践する
coconala_engineer
1
230
今、知っておきたい! 生成AIエージェントの世界
elith
3
330
Javaエンジニアのための Nodejs/Nuxt3入門
hidekatsu_izuno
0
270
Folding Cheat Sheet #2
philipschwarz
PRO
0
110
Micro Frontends for Java Microservices - Devnexus 2024
mraible
PRO
0
410
スクラムチームと認知負荷 - ニフティのスクラムトーク Vol2. / NIFTY Tech Talk #18
niftycorp
PRO
1
120
両面どころかインフラもTSでできるよ ~ 全方位TypeScriptによるプロダクト開発 ~
myfinder
9
3.2k
1BRC--Nerd Sniping the Java Community
gunnarmorling
0
300
オブジェクトしこう
okuramasafumi
2
150
Featured
See All Featured
Java REST API Framework Comparison - PWX 2021
mraible
PRO
18
6.9k
Clear Off the Table
cherdarchuk
82
310k
A designer walks into a library…
pauljervisheath
199
23k
The Pragmatic Product Professional
lauravandoore
24
5.8k
Scaling GitHub
holman
457
140k
The MySQL Ecosystem @ GitHub 2015
samlambert
242
12k
Docker and Python
trallard
33
2.7k
Designing for Performance
lara
601
67k
Writing Fast Ruby
sferik
619
60k
GitHub's CSS Performance
jonrohan
1023
450k
The Success of Rails: Ensuring Growth for the Next 100 Years
eileencodes
29
6k
Pencils Down: Stop Designing & Start Developing
hursman
116
11k
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