Yumin Fish Harvest
Jul 10, 2026 · Backend Development
Why Business Logic Should Stay Out of Services: Moving from Anemic to Rich Domain Model
The article compares anemic and rich domain models using an order‑cancellation case, showing how setters and magic numbers in services lead to rule violations, and walks through a step‑by‑step refactor that moves business rules into the domain object for better encapsulation and consistency.
Anemic ModelDDDDomain Logic
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