The Glamour and Misery of the Domain
summary
Examines domain model design for complex enterprise applications, contrasting the rich (data+behavior in domain objects) and anemic (data-only domain objects with behaviors in services) patterns as described by Fowler and Evans. Compares pros and cons of each approach, discusses why anemic models are common in real codebases, and explores practical implementation details for domain models in both object-oriented and functional styles.
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chapters (8)
- 0:00Introduction
- 1:57What is domain model
- 10:01Invariants and validation
- 18:52Aggregates and issues
- 29:03Large aggregates problems
- 35:50Rich model use cases
- 47:34Model selection
- 51:10Q&A
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