From 28c60f19a84ec028896e5cd63b8f5048c4ead9f1 Mon Sep 17 00:00:00 2001
From: amit2103 <amit.pandey2103@gmail.com>
Date: Sun, 4 Aug 2019 17:16:53 +0530
Subject: [PATCH] [BAEL-16045] - Check Article Code Matches GitHub for
 https://www.baeldung.com/spring-bean-annotations article

---
 spring-boot-mvc/pom.xml                       | 12 +++++++
 .../annotations/PerformanceAspect.java        | 32 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 spring-boot-mvc/src/main/java/com/baeldung/annotations/PerformanceAspect.java

diff --git a/spring-boot-mvc/pom.xml b/spring-boot-mvc/pom.xml
index fee725847f..a414ed7bb2 100644
--- a/spring-boot-mvc/pom.xml
+++ b/spring-boot-mvc/pom.xml
@@ -89,6 +89,18 @@
             <scope>provided</scope>
         </dependency>
 
+        <!-- AOP -->
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjrt</artifactId>
+            <version>1.9.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.aspectj</groupId>
+            <artifactId>aspectjweaver</artifactId>
+            <version>1.9.1</version>
+        </dependency>
+
     </dependencies>
 
     <build>
diff --git a/spring-boot-mvc/src/main/java/com/baeldung/annotations/PerformanceAspect.java b/spring-boot-mvc/src/main/java/com/baeldung/annotations/PerformanceAspect.java
new file mode 100644
index 0000000000..534a2ba333
--- /dev/null
+++ b/spring-boot-mvc/src/main/java/com/baeldung/annotations/PerformanceAspect.java
@@ -0,0 +1,32 @@
+package com.baeldung.annotations;
+
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Pointcut;
+import org.springframework.stereotype.Component;
+
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Logger;
+
+@Aspect
+@Component
+public class PerformanceAspect {
+
+    private static Logger logger = Logger.getLogger(PerformanceAspect.class.getName());
+
+    @Pointcut("within(@org.springframework.stereotype.Repository *)")
+    public void repositoryClassMethods() {
+    }
+
+    @Around("repositoryClassMethods()")
+    public Object measureMethodExecutionTime(ProceedingJoinPoint pjp) throws Throwable {
+        long start = System.nanoTime();
+        Object retval = pjp.proceed();
+        long end = System.nanoTime();
+        String methodName = pjp.getSignature().getName();
+        logger.info("Execution of " + methodName + " took " + TimeUnit.NANOSECONDS.toMillis(end - start) + " ms");
+        return retval;
+    }
+
+}