language:java topic:hexagonal-architecture created:2021-01-01..2021-12-31 Many repositories include a docs/design.pdf or presentation.pdf inside – completely legal. Once you obtain a PDF purporting to be "Designing Hexagonal Architecture with Java" from 2021, verify it with these checks:
package com.myapp.adapters.outbound.persistence; @Component public class ProductJpaAdapter implements ProductRepositoryPort private final ProductSpringJpaRepository jpaRepository; // mapping logic // constructor
// mapping logic
// constructor, business methods (e.g., applyDiscount) business methods (e.g.
package com.myapp.domain.ports.inbound; public interface CreateProductUseCase Product create(String name, BigDecimal price); applyDiscount) package com.myapp.domain.ports.inbound