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
What's DDD?
Search
takattata
September 20, 2018
Programming
5
910
What's DDD?
iOSDCリジェクトコン2日目
元タイトル「DDD(ドメイン駆動設計)を知っていますか?」
@takattata
takattata
September 20, 2018
Tweet
Share
More Decks by takattata
See All by takattata
Kotlinのコントリビュートに挑戦してみたよ!
takattata
3
300
導入画面を実装したよ
takattata
1
2k
AndroidXに移行しようと`してみた`!
takattata
2
730
Flutterテストことはじめ
takattata
1
840
Flutter
takattata
3
1.6k
ディープリンクを実装した
takattata
1
1.9k
introduce unit testing
takattata
1
590
xUnit Test Patterns の序章
takattata
1
380
プロジェクトの1ファイルに単体テストを書いてみた!〜本当にこれで合ってるの…??🤔〜
takattata
0
2.3k
Other Decks in Programming
See All in Programming
2026/02/04 AIキャラクター人格の実装論 口 調の模倣から、コンテキスト制御による 『思想』と『行動』の創発へ
sr2mg4
0
700
Claude Code の Skill で複雑な既存仕様をすっきり整理しよう
yuichirokato
1
300
今、アーキテクトとして 品質保証にどう関わるか
nealle
0
200
コーディングルールの鮮度を保ちたい / keep-fresh-go-internal-conventions
handlename
0
160
nilとは何か 〜interfaceの構造とnil!=nilから理解する〜
kuro_kurorrr
3
1.6k
RubyとGoでゼロから作る証券システム: 高信頼性が求められるシステムのコードの外側にある設計と運用のリアル
free_world21
0
210
TROCCOで実現するkintone+BigQueryによるオペレーション改善
ssxota
0
140
ふつうの Rubyist、ちいさなデバイス、大きな一年
bash0c7
0
640
Takumiから考えるSecurity_Maturity_Model.pdf
gessy0129
1
120
Claude Codeセッション現状確認 2026福岡 / fukuoka-aicoding-00-beacon
monochromegane
4
390
The Ralph Wiggum Loop: First Principles of Autonomous Development
sembayui
0
3.7k
The Past, Present, and Future of Enterprise Java
ivargrimstad
0
390
Featured
See All Featured
Collaborative Software Design: How to facilitate domain modelling decisions
baasie
0
150
Raft: Consensus for Rubyists
vanstee
141
7.3k
Digital Projects Gone Horribly Wrong (And the UX Pros Who Still Save the Day) - Dean Schuster
uxyall
0
610
The untapped power of vector embeddings
frankvandijk
2
1.6k
Improving Core Web Vitals using Speculation Rules API
sergeychernyshev
21
1.4k
How to train your dragon (web standard)
notwaldorf
97
6.5k
Practical Tips for Bootstrapping Information Extraction Pipelines
honnibal
25
1.8k
Ethics towards AI in product and experience design
skipperchong
2
210
Thoughts on Productivity
jonyablonski
75
5.1k
Navigating the moral maze — ethical principles for Al-driven product design
skipperchong
2
280
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
0
2.4k
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.6k
Transcript
1 Takasy @takattata iOSDCrc02 WHAT’S DDD?
2 ࣍ ࣍ 1. ͜ͷൃදͷඪ 2. DDDͷརʁ 3. DDDͲ͏͍͏ͷʁ 4.
࣍ͷҰา
3 ʢͲΜͳൃදΛ͢ΔͭΓʁʣ ͜ͷൃදͷඪ
4 ͜ͷൃදͷඪ DDD
5 ͜ͷൃදͷඪ DDD ։ൃख๏ʁ ϨΠϠʔυΞʔΩςΫνϟʁ େن։ൃͰ͏ʁ ͦ͠͏ͩΑͳʁ
6 ͜ͷൃදͷඪ DDD Domain Driven Design ʮυϝΠϯۦಈઃܭʯ ް͞3cm
7 ͜ͷൃදͷඪ DDD Domain Driven Design ʮυϝΠϯۦಈઃܭʯ ް͞3cm શମ૾Λͬ͘͟ΓͰѲ͍ͯ͠ͳ͍ͱ… ࠳ંUP↑(ଟ)
8 ͜ͷൃදͷඪ ඪ ;Θͬͱશମ૾ΛͬͯΒ͏ Ұ൪ݴ͍͍ͨ͜ͱɿ”ڵຯ࣋ͬͨΒੋඇҰॹʹษڧ͍͖ͯ͠·ͤΜ͔ʂ” શମ૾ΛΔ औΓΜͰΈΔ ͔ͬ͠ΓֶͿ ;Θͬͱ
9 ʢΠϯϓοτ͢Δલʹ͞ɺͦͦඞཁͳͷʁઃܭͰ͠ΐʁʣ DDDͷརʁ
10 %%%ͷརʁ “։ൃऀͱඇ։ൃऀͷίϛϡχέʔγϣϯ͕ શʹεϜʔζʹͳΔ”
11 • ઐಉ࢜ؒͰͷ༁ͷίετ͕ͳ͍ • ࣝͷౝ͕Ͱ͖ͳ͍ • ઃܭ͕ίʔυͰ͋Γɺίʔυ͕ઃܭͰ͋Δ %%%ͷརʁ Ͳ͏͍͏͜ͱʁ
12 ৽͘͠ೖͬͨΤϯδχΞ ※΄͔ΤϯδχΞશ໓த ಉ͡νʔϜͷσΟϨΫλʔ ʁ ʁ ʁ ͜͏͍͏ڍಈ ͷҝͰ͢ %%%ͷརʁ
ͳͥ͜ͷ࣮ʹʁ
13 DDDͲ͏͍͏ͷʁ ʢ;ΉɺཧͩͶɻͲΜͳ͜ͱΛͨ͠Βͦ͏ͳΔͬͯʁʣ
14 %%%Ͳ͏͍͏ͷʁ ఆٛ ։ൃऀͱυϝΠϯΤΩεύʔτ͕ڠྗͯ͠ɺ υϝΠϯΛөͨ͠ϞσϧʢυϝΠϯϞσϧʣΛ࡞Γ্͛Δ
15 %%%Ͳ͏͍͏ͷʁ WHAT’S υϝΠϯʁ ιϑτΣΞΛద༻͢ΔରྖҬ ྫ. ձܭιϑτͳΒʮձܭۀʯ
16 %%%Ͳ͏͍͏ͷʁ ఆٛ ։ൃऀͱυϝΠϯΤΩεύʔτ͕ڠྗͯ͠ɺ υϝΠϯΛөͨ͠ϞσϧʢυϝΠϯϞσϧʣΛ࡞Γ্͛Δ
17 %%%Ͳ͏͍͏ͷʁ ࠓͷൢചܗଶ͕૿͑ͨ Γ͢Δʁ ͜ͷίʔυͷߏͲ ͏͍͏ҙਤ͕͋Δʁ WHAT’S υϝΠϯΤΩεύʔτʁ
18 %%%Ͳ͏͍͏ͷʁ ࠓͷൢചܗଶ͕૿͑ͨ Γ͢Δʁ ͜ͷίʔυͷߏͲ ͏͍͏ҙਤ͕͋Δʁ WHAT’S υϝΠϯΤΩεύʔτʁ →σΟϨΫλʔ →ΤϯδχΞ
ࣗΑΓৄ͍͠ਓʹฉ͘
19 %%%Ͳ͏͍͏ͷʁ ఆٛ ։ൃऀͱυϝΠϯΤΩεύʔτ͕ڠྗͯ͠ɺ υϝΠϯΛөͨ͠ϞσϧʢυϝΠϯϞσϧʣΛ࡞Γ্͛Δ
20 %%%Ͳ͏͍͏ͷʁ WHAT’S υϝΠϯϞσϧʁ υϝΠϯΛదʹөͨ͠ίʔυʹམͱ͠ࠐΉલͷϞσϧ ಉ͡ͷΛࢥ͍ු͔ ಉ͡ղऍΛ͢Δ
21 %%%Ͳ͏͍͏ͷʁ ఆٛ ։ൃऀͱυϝΠϯΤΩεύʔτ͕ڠྗͯ͠ɺ υϝΠϯΛөͨ͠ϞσϧʢυϝΠϯϞσϧʣΛ࡞Γ্͛Δ
22 %%%Ͳ͏͍͏ͷʁ ಄ͷମݧஊΑΓ ϓϦϯτج൫(PCB)ͷιϑτΣΞπʔϧΛઃܭ͢Δ͜ͱʹ PCBઃܭऀ ΤϰΝϯεࢯ ߟ͍͑ͯΔ ιϑτΣΞ ඈ༂త্ʹͭͳ͕Βͳ͍ ˠ൴Βͷཁٻʹ͍ͭͯ͠߹͓͏
23 %%%Ͳ͏͍͏ͷʁ ༻ޠͷෆҰக͍͋·͍͞ ݟղͷ૬ҧΛ Ұॹʹղܾ͍ͯ͘͠
24 %%%Ͳ͏͍͏ͷʁ ٞΛਐΊ ϞσϧΛվྑͤ͠͞Δ
25 %%%Ͳ͏͍͏ͷʁ ։ൃऀ υϝΠϯ ΤΩεύʔτ υϝΠϯ ʹର͢Δࣝ ߟ͑ ର ৠཹ
υϝΠϯϞσϧ ࣮ ઃܭ දݱ ܁Γฦ͢
26 %%%Ͳ͏͍͏ͷʁ ։ൃऀ υϝΠϯ ΤΩεύʔτ υϝΠϯ ʹର͢Δࣝ ߟ͑ ର ৠཹ
υϝΠϯϞσϧ ࣮ ઃܭ දݱ ܁Γฦ͢ ઃܭ͕ίʔυͰ͋Γɺίʔυ͕ઃܭͰ͋Δ
27 %%%Ͳ͏͍͏ͷʁ ։ൃऀ υϝΠϯ ΤΩεύʔτ υϝΠϯ ʹର͢Δࣝ ߟ͑ ର ৠཹ
υϝΠϯϞσϧ ࣮ ઃܭ දݱ ܁Γฦ͢ ઓུతઃܭ
28 %%%Ͳ͏͍͏ͷʁ ։ൃऀ υϝΠϯ ΤΩεύʔτ υϝΠϯ ʹର͢Δࣝ ߟ͑ ର ৠཹ
υϝΠϯϞσϧ ࣮ ઃܭ දݱ ܁Γฦ͢ ઓུతઃܭ ઓज़తઃܭ
29 %%%Ͳ͏͍͏ͷʁ ઓུతઃܭ ϢϏΩλεݴޠ ڥք͚ͮΒΕͨίϯςΩετ ίϯςΩετϚοϓ … ڥք͚ͮΒΕͨίϯςΩετ υϝΠϯϞσϧ
30 ࣍ͷҰา ʢࣗͰֶͼ͍ͨΜ͚ͩͲɺͲ͏ֶͿͱ͍͍ʁʣ
31 ͦͷޙͲ͏͢Ε͍͍ʁ ࢀߟจݙ • ॳΊͷҰาʹ͓͢͢Ίɿ ʮΘ͔ΔʂυϝΠϯۦಈઃܭʯ • શମ૾Λ௫Ήࡍʹ͓͢͢Ίɿ ʮHow to
apply DDD to Android Application Developmentʯ ʮAll you need is isolating the domainʯ • งғؾ௫Έ͍͢ಈը(ӳޠ)ɿ ʮDDD Strategic Design in under 15minutesʯ • ඞಡॻ2
32 ͦͷޙͲ͏͢Ε͍͍ʁ ॳΊͷҰาʹ͓͢͢Ί https://booth.pm/ja/items/392260 ిࢠॻ੶: ¥1000 A5૬Ͱ60p
33 ͦͷޙͲ͏͢Ε͍͍ʁ ಈըɿhttps://academy.realm.io/jp/ posts/droidkaigi17-how-to-apply-ddd- to-android-application-development/ http://y-anz-m.blogspot.com/2017/03/ droidkaigi-2017_9.html શମ૾Λ௫Ήࡍʹ͓͢͢Ί
34 ͦͷޙͲ͏͢Ε͍͍ʁ શମ૾Λ௫Ήࡍʹ͓͢͢Ί ಈըɿhttps://www.youtube.com/ watch?v=glasB4fF15Q http://y-anz-m.blogspot.com/2018/02/ android.html
35 ͦͷޙͲ͏͢Ε͍͍ʁ งғؾ௫Έ͍͢ಈը https://www.youtube.com/watch? v=Evers5npkmE&index=2&list=LLIgL_CMaapXHyn37_qsEJHg&t=0s
36 ͦͷޙͲ͏͢Ε͍͍ʁ ඞಡॻ ిࢠॻ੶ɿhttp://amzn.asia/d/1OQbl4z ཧຊɿhttp://amzn.asia/d/aFG8bI2
37 ͦͷޙͲ͏͢Ε͍͍ʁ ిࢠॻ੶ɿhttp://amzn.asia/d/7x1z6zb ཧຊɿhttp://amzn.asia/d/bMBhK3m ඞಡॻ
38 ͜ͷൃදͷඪ શମ૾ΛΔ औΓΜͰΈΔ ͔ͬ͠ΓֶͿ ;Θͬͱ
39 Let’s study DDD!!