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
Extreme Isolation (Lightning talk)
Search
chrismdp
September 15, 2013
Programming
180
1
Share
Embed
Copy iframe code
Copy JS code
Copy link
Start on current slide
Extreme Isolation (Lightning talk)
Slides for a lightning talk given at Barcuo 2013.
chrismdp
September 15, 2013
More Decks by chrismdp
See All by chrismdp
Why Rails is still relevant for startups in 2021
chrismdp
0
140
5 ways I screwed up Sol Trader's launch
chrismdp
0
230
Pathfinding Peril SPA 2016
chrismdp
0
230
Pathfinding Peril - BCS 2014
chrismdp
0
230
Separating allocation from code - NDC
chrismdp
0
170
Separating Allocation from Code
chrismdp
1
600
Extreme Isolation Workshop
chrismdp
1
160
Who's code is it anyway?
chrismdp
0
140
Leading software teams well
chrismdp
2
1.1k
Other Decks in Programming
See All in Programming
一参加者から『中の人』へ 〜全通PHPerがブースに立って学んだ、カンファレンスを100倍楽しむコツ〜
wp_daisuke
0
130
変化を抱擁するドキュメントの作り方 - ビジネスルール駆動開発がもたらす、コードとの新しい関係
ioki
2
120
AIの中の人になってみる
htkym
0
170
PyConJP2026_wat_Python × Signal Processing: How to Draw Pictures with Sound Using Spectrogram Art
wat
0
680
AIに既存システムを理解させる技術 ~レガシーを見捨てないハーネスエンジニアリング入門~
ochtum
0
210
数年滞っていたダークモード対応をおよそ2週間で完了させる
chigichan24
0
690
ソフトウェアラスタライザ
fadis
1
790
コンパウンドプロダクト開発のためのローカルプロセスマネージャー再発明 #layerxgo
izumin5210
0
660
高専キャリア LT 発表内容
crysta1221
6
5.6k
From 6 People Classroom Meetup to 100 People Regional Conference / FOSS4G Hiroshima 2026
furukawayasuto
0
120
『寄り添うラジオ』をAIで作る 体験価値から逆算した、会話しないUXと品質設計
theoriatec2024
3
130
[DroidKaigi 2026] Bring your own phones to Gradle Managed Devices
f2lk
0
110
Featured
See All Featured
Done Done
chrislema
186
16k
From Legacy to Launchpad: Building Startup-Ready Communities
dugsong
0
320
[Rails World 2023 - Day 1 Closing Keynote] - The Magic of Rails
eileencodes
38
3k
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
74
42k
Navigating Weather and Climate Data
rabernat
0
510
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
Exploring the relationship between traditional SERPs and Gen AI search
raygrieselhuber
PRO
2
4.3k
The Art of Programming - Codeland 2020
erikaheidi
57
14k
A brief & incomplete history of UX Design for the World Wide Web: 1989–2019
jct
2
500
Agile Leadership in an Agile Organization
kimpetersen
PRO
0
230
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
3
870
Save Time (by Creating Custom Rails Generators)
garrettdimon
PRO
32
4.7k
Transcript
EXTREME ISOLATION @chrismdp Sunday, 15 September 13
PROBLEM Sunday, 15 September 13
baz bar foo quux eke baz bar foo quux eke
baz bar foo quux eke baz bar foo quu eke baz bar foo quux eke foo quux bar quux eke bar eke bar foo quux baz eke baz bar foo Sunday, 15 September 13
ACTOR MODEL OF CONCURRENCY Separating Arrangement and Work Sunday, 15
September 13
baz bar foo quux eke Sunday, 15 September 13
bar foo POROs baz calling code handles the arrangement objects
handle the work, don’t know about others objects can be called in any order POROs POROs Sunday, 15 September 13
HEXAGONAL RAILS Ports and Adaptors Sunday, 15 September 13
persistence web mailer view controller domain Sunday, 15 September 13
persistence web mailer view controller domain Sunday, 15 September 13
persistence web Plain Ruby representing your domain mailer Sunday, 15
September 13
EXTREME ISOLATION Sunday, 15 September 13
domain persistence Person Sunday, 15 September 13
Person Repository Person PORO Sunday, 15 September 13
Person Repository Person Sunday, 15 September 13
PersonRepository PersonValidator Person Web Handler Mongo web page request Request
Handler InvalidPerson UpdatePerson Sunday, 15 September 13
put “person/:slug” do |slug| updated_person = find(slug). with_description(params[:description]). with_topics([params[:topics]) queue
= PersonValidator.new.validate(updated_person) queue = PersonEditor.new(slug).pipe(queue) PersonMongoRepository.apply(queue) SinatraResponder.apply(queue) end Sunday, 15 September 13
BENEFITS Sunday, 15 September 13
EACH OBJECT IS INDEPENDENT Dealing with value objects on the
edges Sunday, 15 September 13
UpdatePerson Web Handler web page InvalidPerson Sunday, 15 September 13
PersonRepository UpdatePerson Mongo InvalidPerson Sunday, 15 September 13
IMMUTABLE VALUE OBJECTS Freeze is your friend Sunday, 15 September
13
EXAMPLE ON GITHUB http://github.com/thinkcodelearn/discover Sunday, 15 September 13
BLOG SERIES http://chrismdp.com Sunday, 15 September 13
THANKS @chrismdp Sunday, 15 September 13