#35 springboot: custom metric - order ex

springboot/actuator/src/main/java/hello/ActuatorApplication.java

@@ -1,11 +1,14 @@
 package hello;
 
+import hello.order.v0.OrderConfigV0;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.actuate.web.exchanges.InMemoryHttpExchangeRepository;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Import;
 
-@SpringBootApplication
+@Import(OrderConfigV0.class)
+@SpringBootApplication(scanBasePackages = "hello.controller")
 public class ActuatorApplication {
 
     public static void main(String[] args) {

springboot/actuator/src/main/java/hello/controller/OrderController.java

@@ -0,0 +1,35 @@
+package hello.controller;
+
+import hello.order.OrderService;
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+@Slf4j
+@RestController
+@RequiredArgsConstructor
+public class OrderController {
+
+    private final OrderService orderService;
+
+    @GetMapping("/order")
+    public String order() {
+        log.info("order");
+        orderService.order();
+        return "order";
+    }
+
+    @GetMapping("/cancel")
+    public String cancel() {
+        log.info("cancel");
+        orderService.cancel();
+        return "cancel";
+    }
+
+    @GetMapping("/stock")
+    public int stock() {
+        log.info("stock");
+        return orderService.getStock().get();
+    }
+}

springboot/actuator/src/main/java/hello/order/OrderService.java

@@ -0,0 +1,9 @@
+package hello.order;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+public interface OrderService {
+    void order();
+    void cancel();
+    AtomicInteger getStock();
+}

springboot/actuator/src/main/java/hello/order/v0/OrderConfigV0.java

@@ -0,0 +1,14 @@
+package hello.order.v0;
+
+import hello.order.OrderService;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class OrderConfigV0 {
+
+    @Bean
+    OrderService orderService() {
+        return new OrderServiceV0();
+    }
+}

springboot/actuator/src/main/java/hello/order/v0/OrderServiceV0.java

@@ -0,0 +1,29 @@
+package hello.order.v0;
+
+import hello.order.OrderService;
+import lombok.extern.slf4j.Slf4j;
+
+import java.util.concurrent.atomic.AtomicInteger;
+
+@Slf4j
+public class OrderServiceV0 implements OrderService {
+
+    private final AtomicInteger stock = new AtomicInteger(100);
+
+    @Override
+    public void order() {
+        log.info("주문");
+        stock.decrementAndGet();
+    }
+
+    @Override
+    public void cancel() {
+        log.info("취소");
+        stock.decrementAndGet();
+    }
+
+    @Override
+    public AtomicInteger getStock() {
+        return stock;
+    }
+}