Collaborative Modeling Patterns & Principles

Presented at the workshop "Domain-Driven Analysis: Quickly Getting to Grips with a New Domain " by Indu Alagarsamy and Nick Tune, DDD Europe 2022

Transcript

1. Brought to you by Stefan Hofer (@hofstef) WPS – Workplace Solutions GmbH Patterns & Principles of Collaborative Modeling (using Domain Storytelling as an Example)
2. @hofstef @hschwentner business bla bla { nerd; speek; } Domain Expert Development Team
3. @hofstef @hschwentner Fach- sprache collabo- rative modeling Developer Domain Expert
4. @hofstef @hschwentner @hofstef @hschwentner Demo: Domain Storytelling
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6. @hofstef @hschwentner "From a story to working software – this book helps you to get to the essence of what to build. Highly recommended!" – Oliver Drotbohm Available as e-book and in print. Check out https://domainstorytelling.org/book for details.
7. @hofstef @hschwentner @hofstef @hschwentner Scenario-based Modeling (Book Chapter 3)
8. @hofstef @hschwentner ABSTRACT PROCESSES
9. @hofstef @hschwentner SCENARIO
10. @hofstef @hschwentner A good example is better than a bad abstraction.
11. @hofstef @hschwentner Workshops, Roles (Book Chapter 6)
12. @hofstef @hschwentner Listeners
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16. @hofstef @hschwentner Scope: Granularity & Point-in-time (Book Chapter 4)
17. @hofstef What? Why? How? by Baggeb - pixabay license Goal Levels (by Alistair Cockburn)
18. @hofstef as-is to-be to-be Point-in-time:
19. @hofstef @hschwentner Language and models are bounded by their context. (Book Chapter 9 & 10)
20. @hofstef @hschwentner First-time user signs up and plays first game NO! The account is created much later! NO! Your are wrong! This IS the first step!
21. @hofstef @hschwentner “A single conceptual model is a tricky beast to work with.” - Martin Fowler
22. @hofstef @hschwentner First-time user signs up and plays first game
23. @hofstef @hschwentner A Series of Conversations (Book Chapter 11)
24. @hofstef @hschwentner • Analyze domain • Model as-is domain stories Domain Stories • Design new processes • Model to-be domain stories Domain Stories • Derive requirements • Coarse-grained to medium-grained Requirements • Develop iteratively & incrementally • Refine requirements constantly Software
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27. @hofstef @hschwentner Toolbox (Book Chapter 7)
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30. @hofstef @hschwentner Heuristics (collected during the workshop by Nick Tune)
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32. @hofstef @hschwentner Web: https://domainstorytelling.org Twitter: @hofstef #DomainStorytelling Slides: https://speakerdeck.com/hofstef Book: https://www.informit.com/domain-storytelling The pictures used in this talk are public domain, unless noted otherwise. Screenshots and examples © WPS - Workplace Solutions GmbH