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
xMolecules
Search
Henning Schwentner
December 01, 2022
Programming
3
240
xMolecules
Living architecture documentation
Henning Schwentner
December 01, 2022
Tweet
Share
More Decks by Henning Schwentner
See All by Henning Schwentner
Model Pollution
hschwentner
1
190
Event Storming
hschwentner
3
1.1k
Domain-Driven Design (Tutorial)
hschwentner
13
22k
Domain-Driven Transformation
hschwentner
2
2.1k
Software Architecture
hschwentner
6
2.3k
Value and Record Types
hschwentner
1
1k
Domain Storytelling
hschwentner
4
2.7k
UNIX, Linux, and Command Line Basics
hschwentner
0
160
From Legacy to Cloud
hschwentner
0
210
Other Decks in Programming
See All in Programming
開発生産性を上げるための生成AI活用術
starfish719
1
200
monorepo の Go テストをはやくした〜い!~最小の依存解決への道のり~ / faster-testing-of-monorepos
convto
2
420
Go言語の特性を活かした公式MCP SDKの設計
hond0413
1
200
タスクの特性や不確実性に応じた最適な作業スタイルの選択(ペアプロ・モブプロ・ソロプロ)と実践 / Optimal Work Style Selection: Pair, Mob, or Solo Programming.
honyanya
3
140
フロントエンド開発に役立つクライアントプログラム共通のノウハウ / Universal client-side programming best practices for frontend development
nrslib
7
3.9k
Railsだからできる 例外業務に禍根を残さない 設定設計パターン
ei_ei_eiichi
0
370
CSC305 Lecture 04
javiergs
PRO
0
260
エンジニアとして高みを目指す、 利益を生み出す設計の考え方 / design-for-profit
minodriven
23
12k
Pull-Requestの内容を1クリックで動作確認可能にするワークフロー
natmark
2
480
私はどうやって技術力を上げたのか
yusukebe
43
17k
CSC305 Lecture 06
javiergs
PRO
0
210
Web Components で実現する Hotwire とフロントエンドフレームワークの橋渡し / Bridging with Web Components
da1chi
3
1.9k
Featured
See All Featured
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
2.6k
Unsuck your backbone
ammeep
671
58k
Why Our Code Smells
bkeepers
PRO
339
57k
The Web Performance Landscape in 2024 [PerfNow 2024]
tammyeverts
9
850
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Balancing Empowerment & Direction
lara
4
680
[RailsConf 2023] Rails as a piece of cake
palkan
57
5.9k
Refactoring Trust on Your Teams (GOTO; Chicago 2020)
rmw
35
3.2k
GraphQLの誤解/rethinking-graphql
sonatard
73
11k
Building a Modern Day E-commerce SEO Strategy
aleyda
43
7.7k
Reflections from 52 weeks, 52 projects
jeffersonlam
352
21k
Context Engineering - Making Every Token Count
addyosmani
5
200
Transcript
Starring Directed By Presented by With
None
None
https://hschwentner.io
@hschwentner
! " # $
@hschwentner
BankAccount withdraw() deposit() Amount
BankAccount withdraw() deposit() Amount
@hschwentner Domain-Driven Design Eric Evans
@hschwentner Entity vs. Value - Identity - Life cycle -
Can be mutable - No identity - Always immutable Contract Map Name Length 12.5 m “John Miller”
Entity Value Object Aggregate Service Factory Repository Tactical Design
«Entity» BankAccount withdraw() deposit() «Value Object» Amount
«stereotype» Value Object «stereotype» Entity ??? «stereotype» Identity
xMolecules
None
Hexagonal Architecture Layerered Architecture Onion Architecture Clean Architecture
@hschwentner How To Express Architecture?
class Account { public void deposit(Amount amount) //... public void
withdraw(Amount amount) //... }
class AccountEntity { public void deposit(Amount amount) //... public void
withdraw(Amount amount) //... }
class Account extends Entity { public void deposit(Amount amount) //...
public void withdraw(Amount amount) //... }
class Account extends Entity<IBAN> { public void deposit(Amount amount) //...
public void withdraw(Amount amount) //... }
import org.jmolecules.ddd.types.Entity; class Account extends Entity<IBAN> { public void deposit(Amount
amount) //... public void withdraw(Amount amount) //... }
@Entity class Account { public void deposit(Amount amount) //... public
void withdraw(Amount amount) //... }
import org.jmolecules.ddd.annotation.Entity; @Entity class Account { public void deposit(Amount amount)
//... public void withdraw(Amount amount) //... }
@hschwentner How To Express Architecture?
class Account { public void deposit(Amount amount) //... public void
withdraw(Amount amount) //... }
class AccountEntity { public void deposit(Amount amount) //... public void
withdraw(Amount amount) //... }
class Account : Entity { public void deposit(Amount amount) //...
public void withdraw(Amount amount) //... }
class Account : Entity<IBAN> { public void deposit(Amount amount) //...
public void withdraw(Amount amount) //... }
using NMolecules.DDD; class Account : Entity<IBAN> { public void deposit(Amount
amount) //... public void withdraw(Amount amount) //... }
[Entity] class Account { public void deposit(Amount amount) //... public
void withdraw(Amount amount) //... }
using NMolecules.DDD; [Entity] class Account { public void deposit(Amount amount)
//... public void withdraw(Amount amount) //... }
[Entity] class Account { [Identity] public IBAN IBAN { get;
} public void deposit(Amount amount) //... public void withdraw(Amount amount) //... }
@hschwentner How To Express Architecture?
class Account { public function deposit(Amount $amount) //... public function
withdraw(Amount $amount) //... }
class AccountEntity { public function deposit(Amount $amount) //... public function
withdraw(Amount $amount) //... }
class Account extends Entity { public function deposit(Amount $amount) //...
public function withdraw(Amount $amount) //... }
/** * @extends Entity<IBAN> */ class Account extends Entity {
public function deposit(Amount $amount) //... public function withdraw(Amount $amount) //... }
use PHPMolecules\DDD\Type\Entity; class Account extends Entity { public function deposit(Amount
$amount) //... public function withdraw(Amount $amount) //... }
#[Entity] class Account { public function deposit(Amount $amount) //... public
function withdraw(Amount $amount) //... }
use PHPMolecules\DDD\Annotation\Entity; #[Entity] class Account { public function deposit(Amount $amount)
//... public function withdraw(Amount $amount) //... }
@hschwentner Why Express Architecture?
Documentation Verification Boilerplate Reduction
@hschwentner Documentation
@hschwentner ! " «Entity» XXX «Value Object» YYY ??
None
@hschwentner Verification
@hschwentner value Architecture Rules entity allowed forbidden
None
@AnalyzeClasses(packagesOf = ArchitectureTests.class) class ArchitectureTests { @ArchTest ArchRule ddd =
JMoleculesDddRules.all(); }
None
PHPStan Psalm Phan PHPArkitect PHPArch
@hschwentner Boilerplate Reduction
@javax.persistence.Entity class BankAccount { /*...*/ } @javax.persistence.???.Embeddable class Amount {
/*...*/ }
@hschwentner jmolecules-bytebuddy jmolecules-jpa jmolecules-spring jmolecules-jackson jmolecules-intellij
@hschwentner Boilerplate Reduction
???
@hschwentner nmolecules-ef nmolecules-roslyn nmolecules-rider
@hschwentner Boilerplate Reduction
/** * @ORM\Entity * @ORM\Table(name="bank_accounts") */ class BankAccount { /**
* @ORM\Id * @ORM\GeneratedValue * @ORM\Column(type="integer") */ private IBAN iban; /*...*/ }
@hschwentner phpmolecules-doctrine phpmolecules-symphony phpmolecules-serializer phpmolecules-phpstorm
@hschwentner Installation
<dependency> <groupId>org.jmolecules</groupId> <artifactId>jmolecules-ddd</artifactId> <version>1.4.0</version> </dependency>
@hschwentner Installation
> dotnet add package NMolecules.DDD
// Install NMolecules.DDD as a Cake Addin #addin nuget:?package=NMolecules.DDD&version=0.2.1 //
Install NMolecules.DDD as a Cake Tool #tool nuget:?package=NMolecules.DDD&version=0.2.1
@hschwentner Installation
$ composer require --dev xmolecules/phpmolecules
@hschwentner LeasingNinja.io
None
Bibliography Evans, Eric. Domain-Driven Design: Tackling Complexity in the Heart
of Software. Boston: Addison-Wesley, 2004. Hofer, Stefan and Henning Schwentner. Domain Storytelling: a Collaborative, Visual, and Agile Way to Develop Domain-Driven Software. Boston: Addison-Wesley, 2022.
None
Henning Schwentner ⌂ https://hschwentner.io @hschwentner
[email protected]