package com.example.order.adapters.inbound; import com.example.order.domain.Order; import com.example.order.ports.inbound.CreateOrderUseCase; import org.springframework.http.ResponseEntity; import org.springframework.web.bind.annotation.*; import java.math.BigDecimal; @RestController @RequestMapping("/orders") public class OrderController private final CreateOrderUseCase createOrderUseCase; public OrderController(CreateOrderUseCase createOrderUseCase) this.createOrderUseCase = createOrderUseCase; @PostMapping public ResponseEntity create(@RequestParam String product, @RequestParam BigDecimal price) Order order = createOrderUseCase.createOrder(product, price); return ResponseEntity.ok(order); Use code with caution.
language:java topic:hexagonal-architecture created:2021-01-01..2021-12-31
Next, create the (what the user can do) and the Outbound Port (what the database needs to support).
The domain model handles pure state transitions and business validation rules. package com
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The core philosophy is simple:
Let’s simulate a small snippet of what the PDF likely teaches using a banking example.
This class contains core business rules and has absolutely no framework annotations.
Coined by Alistair Cockburn, hexagonal architecture visualizes an application as a hexagon. The core (domain) is isolated from the outside world by (interfaces) and adapters (implementations). To help me tailor more technical content for
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This layer acts as the orchestrator between the outside world and the domain.
