ddd-primitives

Domain-driven design value objects with structural equality are implemented using provided templates that define concepts with real invariants. These templates ensure robust domain logic by enforcing validation rules directly within the value object structure.

The specification pattern enforces business rules by providing a composable mechanism that runs both in-memory and SQL. This allows complex domain logic to validate invariants consistently across different query layers.

Guarded state transitions for complex entities are managed by implementing a state machine that enables transitions without exceptions. This approach suits entities with complex status fields requiring strict invariant enforcement.

Aggregate roots and domain events facilitate creating entities that own invariants and react to changes. This pattern targets complex systems requiring robust domain logic and strict enforcement of business rules.

Eliminating primitive obsession in identifier management is achieved by implementing strongly typed ids. This approach wraps raw identifier values, ensuring type safety and preventing invalid id assignments across the domain model.

Advanced domain-driven design patterns are needed when building complex systems that require strict enforcement of business rules and domain logic. Use them to address invariants, aggregate roots, and state machines for maintainable logic.