Designing Hexagonal — Architecture With Java Pdf |link| Free 2021 Download

To illustrate the design of a hexagonal architecture with Java, let's consider a simple feature: .

Hexagonal Architecture simplifies testing by isolating layers cleanly. Unit Testing the Domain To illustrate the design of a hexagonal architecture

The outside world (Web, Database, Message Queue) connects via "Ports" (interfaces) and "Adapters" (implementations). To illustrate the design of a hexagonal architecture

// Use Case Implementation (Application Service) @ApplicationService // Custom annotation, not Spring! public class ManageGameService implements ManageGameUseCase private final GameRepository repository; To illustrate the design of a hexagonal architecture