[Proxy Pattern & Decorator Pattern] 예제 프로젝트 만들기 v3

proxy/src/main/java/hello/proxy/app/v3/OrderControllerV3.java

@@ -0,0 +1,27 @@
+package hello.proxy.app.v3;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Slf4j
+@RestController
+public class OrderControllerV3 {
+
+    private final OrderServiceV3 orderService;
+
+    public OrderControllerV3(OrderServiceV3 orderService) {
+        this.orderService = orderService;
+    }
+
+    @GetMapping("/v3/request")
+    public String request(String itemId) {
+        orderService.orderItem(itemId);
+        return "ok";
+    }
+
+    @GetMapping("/v3/no-log")
+    public String noLog() {
+        return "ok";
+    }
+}

proxy/src/main/java/hello/proxy/app/v3/OrderRepositoryV3.java

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+package hello.proxy.app.v3;
+
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class OrderRepositoryV3 {
+
+    public void save(String itemId) {
+        //저장 로직
+        if (itemId.equals("ex")) {
+            throw new IllegalStateException("예외 발생!");
+        }
+        sleep(1000);
+    }
+
+    private void sleep(int millis) {
+        try {
+            Thread.sleep(millis);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+    }
+}

proxy/src/main/java/hello/proxy/app/v3/OrderServiceV3.java

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+package hello.proxy.app.v3;
+
+import org.springframework.stereotype.Service;
+
+@Service
+public class OrderServiceV3 {
+
+    private final OrderRepositoryV3 orderRepository;
+
+    public OrderServiceV3(OrderRepositoryV3 orderRepository) {
+        this.orderRepository = orderRepository;
+    }
+
+    public void orderItem(String itemId) {
+        orderRepository.save(itemId);
+    }
+}