Description

Domain-Driven Design Distilled brings DDD to life. Whether you’re a developer, architect, analyst, consultant, or customer, Vernon helps you truly understand it so you can benefit from its remarkable power.

Features

The first gentle, concise, and robust introduction to DDD: demystifies key concepts, so you can make the most of this emerging paradigm

Teaches a way of thinking that encourages discovery and knowledge refinement through experimentation

Helps readers challenge dangerous assumptions about their software models

Introduces new commercial products that make DDD easier to use

Table of Contents

Preface xi

Acknowledgments xv

About the Author xvii

Chapter 1: DDD for Me 1

Will DDD Hurt? 2

Good, Bad, and Effective Design 3

Strategic Design 7

Tactical Design 8

The Learning Process and Refining Knowledge 9

Let’s Get Started! 10

 

Chapter 2: Strategic Design with Bounded Contexts and the Ubiquitous Language 11

Domain Experts and Business Drivers 17

Case Study 21

Fundamental Strategic Design Needed 25

Challenge and Unify 29

Developing a Ubiquitous Language 34

Architecture 41

Summary 44

 

Chapter 3: Strategic Design with Subdomains 45

What Is a Subdomain? 46

Types of Subdomains 46

Dealing with Complexity 47

Summary 50

 

Chapter 4: Strategic Design with Context Mapping 51

Kinds of Mappings 54

Making Good Use of Context Mapping 60

An Example in Context Mapping 70

Summary 73

 

Chapter 5: Tactical Design with Aggregates 75

Why Used 76

Aggregate Rules of Thumb 81

Modeling Aggregates 88

Summary 98

 

Chapter 6: Tactical Design with Domain Events 99

Designing, Implementing, and Using Domain Events 100

Event Sourcing 107

Summary 109

 

Chapter 7: Acceleration and Management Tools 111

Event Storming 112

Managing DDD on an Agile Project 125

Timeboxed Modeling 132

Summary 136

References 137

Index 139

Author

Vaughn Vernon is a veteran software craftsman and thought leader in simplifying software design and implementation. He is author of the best-selling Reactive Messaging Patterns with the Actor Model (2016) and Implementing Domain-Driven Design (2013), both published by Addison-Wesley. Vernon has taught his Implementing DDD Workshop around the globe to hundreds of software developers and speaks frequently at leasing industry conferences. He specializes in consulting on DDD, as well as DDD using the Actor model with Scala and Akka.