Notes

Draft: Ports and Adapters

Project structure

- **Application/Core**
  - Defines
    - UseCase interface
    - UseCase implementation
      - Repository interfaces specified by the **Domain**
    - Command objects are self-validating
  - References
    - Domain project
- **Domain**
  - Entities
    - Self-validating
  - SPI
    - **Output Port** - Repository interface
- **Infrastructure**
  - Adapters
  - Rest
  - Includes application module
  - Spring Controllers
  - DTO Validation
  - Create command and invoke use case
  - Persistence
  - Includes domain module
  - Implement repository using JDBI
- **Bootstrap**
  - SpringBootApplication launcher
  - Maven project includes modules
  - Load Application/Domain services into the
    Spring context by scanning @DomainService annotations.