Merge pull request #7501 from amit2103/BAEL-16045-23

Bael 16045 23

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>

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;
+    }
+
+}