spring core aop : spring aop exam init

spring-core/aop/src/main/java/com/example/aop/exam/ExamRepository.java

@@ -0,0 +1,20 @@
+package com.example.aop.exam;
+
+import org.springframework.stereotype.Repository;
+
+@Repository
+public class ExamRepository {
+
+    private static int seq = 0;
+
+    /**
+     * 5번에 1번 실패하는 요청
+     */
+    public String save(String itemId) {
+        seq++;
+        if (seq % 5 == 0) {
+            throw new IllegalStateException("예외 발생!");
+        }
+        return "ok";
+    }
+}

spring-core/aop/src/main/java/com/example/aop/exam/ExamService.java

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+package com.example.aop.exam;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+public class ExamService {
+
+    private final ExamRepository examRepository;
+
+    public void request(String itemId) {
+        examRepository.save(itemId);
+    }
+}

spring-core/aop/src/test/java/com/example/aop/exam/ExamTest.java

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+package com.example.aop.exam;
+
+import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@Slf4j
+@SpringBootTest
+public class ExamTest {
+
+    @Autowired
+    ExamService examService;
+
+    @Test
+    void test() {
+        for (int i = 0; i < 5; i++) {
+            log.info("client request i={}", i);
+            examService.request("data" + i);
+        }
+    }
+}