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
830
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
580
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
re:Invent 2025 のイケてるサービスを紹介する
maroon1st
0
170
[AtCoder Conference 2025] LLMを使った業務AHCの上⼿な解き⽅
terryu16
6
1k
公共交通オープンデータ × モバイルUX 複雑な運行情報を 『直感』に変換する技術
tinykitten
PRO
0
190
Python札幌 LT資料
t3tra
7
1.1k
今こそ知るべき耐量子計算機暗号(PQC)入門 / PQC: What You Need to Know Now
mackey0225
3
300
Vibe codingでおすすめの言語と開発手法
uyuki234
0
180
実はマルチモーダルだった。ブラウザの組み込みAI🧠でWebの未来を感じてみよう #jsfes #gemini
n0bisuke2
3
1.4k
CSC307 Lecture 04
javiergs
PRO
0
630
20251212 AI 時代的 Legacy Code 營救術 2025 WebConf
mouson
0
250
インターン生でもAuth0で認証基盤刷新が出来るのか
taku271
0
160
.NET Conf 2025 の興味のあるセッ ションを復習した / dotnet conf 2025 quick recap for backend engineer
tomohisa
0
110
AIエージェントの設計で注意するべきポイント6選
har1101
6
3.1k
Featured
See All Featured
Lessons Learnt from Crawling 1000+ Websites
charlesmeaden
PRO
0
1k
Data-driven link building: lessons from a $708K investment (BrightonSEO talk)
szymonslowik
1
880
How to Align SEO within the Product Triangle To Get Buy-In & Support - #RIMC
aleyda
1
1.4k
How GitHub (no longer) Works
holman
316
140k
No one is an island. Learnings from fostering a developers community.
thoeni
21
3.6k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
16
1.8k
世界の人気アプリ100個を分析して見えたペイウォール設計の心得
akihiro_kokubo
PRO
65
35k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Designing for humans not robots
tammielis
254
26k
Abbi's Birthday
coloredviolet
0
4.3k
GitHub's CSS Performance
jonrohan
1032
470k
Performance Is Good for Brains [We Love Speed 2024]
tammyeverts
12
1.4k
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!!