A craftsman’s guide to designing clean architecture

5fada8ab2d8d053004959c1a3dc68a31?s=47 Marcus Biel
April 07, 2018
Programming
1
330

A craftsman’s guide to designing clean architecture

In this talk, Software Craftsman Marcus Biel describes how to design a Clean Architecture

5fada8ab2d8d053004959c1a3dc68a31?s=128

Marcus Biel

April 07, 2018
Tweet

Want more?

5fada8ab2d8d053004959c1a3dc68a31?s=48 marcusbiel
0
13
5fada8ab2d8d053004959c1a3dc68a31?s=48 marcusbiel
0
23
5fada8ab2d8d053004959c1a3dc68a31?s=48 marcusbiel
0
47
3ab1249be442027903e1180025340b3f?s=48 reverentgeek
9
500
A9a491b0fcbe0fbce3d64063a37add99?s=48 rmw
1
260
766b9746b59e6f09e280cd33cf4ed419?s=48 skipperchong
0
170
61857dafbd287b3027c4dcea9008ad3c?s=48 carmenhchung
6
320
06f8b41980eb4c577fa40c41d5030c19?s=48 keathley
6
220
C0390e8b11079f8761c0cd3274ed61cb?s=48 productmarketing
3
290
C35e01544a0dd94a2cf1619ee8a42ebb?s=48 clairelew
4
560
6bb82b13cda86d3b821fa44100335ddf?s=48 thoeni
1
170
B3ace07412a5178ea778e7eec161fc0a?s=48 jcasabona
4
250

Transcript

  1. 1.

    Marcus Biel, Software Craftsman Moscow | 7. April 2018 A

    craftsman’s guide to designing clean architecture
  2. 2.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com About me Clean Code Evangelist

    • Founder of Clean Code Academy • Public Speaker • Author • Java Influencer • JCP Member • Clean Code Coach • Java Consultant @MarcusBiel marcus@cleancodeacademy.com
  3. 3.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining a Clean Architecture

  4. 4.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining a Clean Architecture

  5. 5.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining a Clean Architecture

  6. 6.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining a Clean Architecture MODULES

    PACKAGES CLASSES METHODS
  7. 7.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining a Clean Architecture Domain

    Infrastructure HTTPS REST SOAP
  8. 8.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Foundation of a Clean Architecture

    ‣ Coupling and Cohesion ‣ Other Building Blocks
  9. 9.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Coupling Tight Coupling Loose

    Coupling
  10. 10.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Coupling Tight Coupling Loose

    Coupling
  11. 11.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Coupling Tight Loose

  12. 12.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Coupling Strength ‣ Distance of

    the Components ‣ Type of Coupling ‣ Timing of Coupling
  13. 13.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Distance of the Components MODULES

    PACKAGES CLASSES METHODS
  14. 14.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Distance of the Components

  15. 15.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Distance of the Components

  16. 16.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Distance of the Components

  17. 17.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Distance of the Components

  18. 18.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Type of Coupling

  19. 19.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Timing of Coupling

  20. 20.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Cohesion Low Cohesion High

    Cohesion
  21. 21.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Cohesion Low Cohesion High

    Cohesion
  22. 22.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Low High Defining Cohesion

  23. 23.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Cohesion GeneralUtils create(Customer) validate(Car)

    write(Report)
  24. 24.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Defining Cohesion CustomerService sellTo(Customer) invoice(Customer)

    help(Customer)
  25. 25.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com help(Customer) invoice(Customer) Defining Cohesion CustomerSales

    sellTo(Customer) CustomerAccounting CustomerService
  26. 26.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Cohesion Types ‣ Logical Cohesion

    ‣ Business Cohesion
  27. 27.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Cohesion Key Point High Cohesion

    requires in-depth knowledge of the domain.
  28. 28.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Foundation of a Clean Architecture

    ‣ Coupling and Cohesion ‣ Other Building Blocks
  29. 29.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Other Building Blocks ‣ Encapsulation

    ‣ Naming ‣ Size
  30. 30.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Encapsulation technically enforces of how

    the system should be used Getters and Setters violate encapsulation. Use package private more often! http://bit.ly/EvilGettersAndSetters
  31. 31.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Other Building Blocks ‣ Encapsulation

    ‣ Naming ‣ Size
  32. 32.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Clean Names Key Points Clean

    names drive high cohesion 
 (Customer, AccountNumber) Use service pattern judiciously Clean names are team work Rename on new insights
  33. 33.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Other Building Blocks ‣ Encapsulation

    ‣ Naming ‣ Size
  34. 34.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com Size Key Points MODULES PACKAGES

    CLASSES METHODS
  35. 35.

    Copyright 2018 Marcus Biel https://cleancodeacademy.com What is Clean Architecture? I

    would advise students to pay more attention to the fundamental ideas rather than the latest technology. The technology will be out-of-date before they graduate. Fundamental ideas never get out of date. — David L. Parnas “ ”
  36. 36.

    Marcus Biel, Software Craftsman Moscow | 7. April 2018 A

    craftsman’s guide to designing clean architecture