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
Reengineering
Search
Nat Pryce
January 22, 2017
Programming
0
190
Reengineering
A case study presented to 4th year students at Imperial College
Nat Pryce
January 22, 2017
Tweet
Share
More Decks by Nat Pryce
See All by Nat Pryce
Mistakes we made adopting event sourcing (and how we recovered)
npryce
3
1.1k
Failure is not an Option. Error handling strategies for Kotlin programs
npryce
0
620
Taking the Tiger by the Tail, P3X 2019
npryce
1
220
What we talk about when we talk about software, Agile Turkey Summit 2019
npryce
2
440
The Kotlin Type Hierarchy From Top to Bottom
npryce
7
3.3k
What we talk about when we talk about software
npryce
3
400
Why software changes & how we must change what we change when we change software
npryce
1
300
What we talk about when we talk about software
npryce
1
690
Having Our Cake and Eating It
npryce
4
1.4k
Other Decks in Programming
See All in Programming
レベル1の開発生産性向上に取り組む − 日々の作業の効率化・自動化を通じた改善活動
kesoji
0
220
脱Riverpod?fqueryで考える、TanStack Queryライクなアーキテクチャの可能性
ostk0069
0
140
AI駆動のマルチエージェントによる業務フロー自動化の設計と実践
h_okkah
0
150
なぜ適用するか、移行して理解するClean Architecture 〜構造を超えて設計を継承する〜 / Why Apply, Migrate and Understand Clean Architecture - Inherit Design Beyond Structure
seike460
PRO
3
770
Rails Frontend Evolution: It Was a Setup All Along
skryukov
0
140
#QiitaBash MCPのセキュリティ
ryosukedtomita
1
1.3k
NPOでのDevinの活用
codeforeveryone
0
840
第9回 情シス転職ミートアップ 株式会社IVRy(アイブリー)の紹介
ivry_presentationmaterials
1
320
MDN Web Docs に日本語翻訳でコントリビュートしたくなる
ohmori_yusuke
1
120
Agentic Coding: The Future of Software Development with Agents
mitsuhiko
0
100
iOS 26にアップデートすると実機でのHot Reloadができない?
umigishiaoi
0
130
ペアプロ × 生成AI 現場での実践と課題について / generative-ai-in-pair-programming
codmoninc
1
18k
Featured
See All Featured
Code Reviewing Like a Champion
maltzj
524
40k
Let's Do A Bunch of Simple Stuff to Make Websites Faster
chriscoyier
507
140k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2.1k
Chrome DevTools: State of the Union 2024 - Debugging React & Beyond
addyosmani
7
740
Optimising Largest Contentful Paint
csswizardry
37
3.3k
Typedesign – Prime Four
hannesfritz
42
2.7k
How to Ace a Technical Interview
jacobian
278
23k
Writing Fast Ruby
sferik
628
62k
Art, The Web, and Tiny UX
lynnandtonic
299
21k
Code Review Best Practice
trishagee
69
18k
Raft: Consensus for Rubyists
vanstee
140
7k
What’s in a name? Adding method to the madness
productmarketing
PRO
23
3.5k
Transcript
Reengineering Evolution, Devolution & Revolution Nat Pryce @natpryce | natpryce.com
|
[email protected]
Quoting
Grand vision APAC EMEA US
Original architecture
Attempted optimisation
Parallelise calculations for APAC APAC EMEA
Start refactoring, but don't finish APAC EMEA
A new feature for EMEA APAC EMEA
Reports for APAC APAC EMEA
Diagnosing problems
The system was modelled on a manual, paper-based process
Idealised architecture
Separate the projects
"Cuckoo's Egg" application behind gateway
HTTP data service "simplicators"
"Pregression" tests
Fake simplicators in system tests
Introduce an acceptance test driven process
Replace the GUI with a web application
Continual indicative quoting is just a client
Caching proxies for performance and scaling
None
Lines of Code Over Time