Collaborative Modeling for Agile and Domain-Driven Design
About the Book
Domain Storytelling means that we let domain experts tell us stories about their tasks. While listening, we record the stories using a pictographic language. The domain experts can see immediately whether we understand their story correctly. After very few stories, we are able to talk about the people, tasks, tools, work objects, and events in that domain.
This book is an in-depth guide on how to use Domain Storytelling. It provides the means to use and adapt Domain Storytelling for different purposes, for example:
- Crunch domain knowledge: Use Domain Storytelling to bring together domain experts from different departments, cross department boundaries and challenge assumptions. Work your way down from big-picture overviews to in-depth domain analysis.
- Find good boundaries for your software: Domain Stories help to break down a domain into manageable slices. These are useful for splitting a monolith into modules, for designing microservices, and finding context boundaries in Domain-driven Design.
- Domain Stories help you to determine which classes and methods you need to express your domain knowledge in code.
- Derive requirements from Domain Stories to bridge the gap between domain knowledge and software development.
- Support organizational change by making transparent how a new software system will change the way how people work.
- A Note to our Readers
- The Book
- The Approach
- The Cover
How to Read This Book
- The Other Book
- What is (Domain) Storytelling?
Your First Domain Story
- The Workshop Begins
- Re-Telling the Story
- Exploring Further
The Pictographic Language
- Work Objects
- Sequence Numbers
- Modeling Canvas
- No Conditionals
- Scenario-based Modeling
- Point in Time (As-Is vs. To-Be)
- Domain Purity (Pure vs. Digitalized)
- Combining the Factors: A Journey through Typical Scopes
- Modeling on Paper or Boards
- Modeling with Software Tools
- Choosing a Tool
The Workshop Format
- Before the Workshop
- The Workshop
- After the Workshop
- Remote Workshops
- Facilitating a Workshop
Relationship to Other Modeling Methods
- User Story Mapping
- Example Mapping
- Use Cases
- Domain-Driven Design
- Overview of the Next Chapters
Learn Domain Language
- How (not) to Learn Domain Language
- Organizations Speak Many Domain Languages
- Natural Language
- What Is Next? Where to Go From Here?
- The Joy of Multiple Models
- A Heuristic for Finding Sub-Domains
- From Sub-Domains to Bounded Contexts
- From Context Boundaries to Team Boundaries
- What is Next? Where to Go From Here?
Modeling in Code
- From Domain Stories to Domain Model
- Implementing the Domain Model
- What is Next? Where to go From Here?
Working with Requirements
- Software Development as a Series of Conversations
- From Domain Stories to Requirements
- Adapt the Recipe
- What is Next? Where to go From Here?
- Support Organizational Change
Finding Shadow IT
- Not only Software Developers Develop Software
- Making Hidden Software Systems Visible
- What is Next? Where to Go from Here?
- The History of Domain Storytelling
- Best Practices for Modeling With Sticky Notes
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