Working Load-Time Weaving (LTW)

build.gradle

@@ -1,6 +1,10 @@
+configurations {
+    runtimeAgent
+}
+
 buildscript {
 	ext {
-		springBootVersion = '1.4.4.RELEASE'
+		springBootVersion = '1.5.2.RELEASE'
 	}
 	repositories {
 		mavenCentral()
@@ -25,10 +29,26 @@ repositories {
 	mavenCentral()
 }
 
-
 dependencies {
 	compile('org.springframework.boot:spring-boot-starter-aop')
 	compile("org.springframework.boot:spring-boot-starter-web")
 
 	testCompile('org.springframework.boot:spring-boot-starter-test')
+
+    runtimeAgent("org.springframework:spring-instrument")
+    runtimeAgent("org.aspectj:aspectjweaver")
+}
+
+test.doFirst {
+    configurations.runtimeAgent.each {
+        File jarFile ->
+            jvmArgs("-javaagent:${jarFile.absolutePath}")
+    }
+}
+
+bootRun.doFirst {
+    configurations.runtimeAgent.each {
+        File jarFile ->
+            jvmArgs("-javaagent:${jarFile.absolutePath}")
+    }
 }

src/main/java/com/rosieapp/aop/aspect/ProfilingAspect.java

@@ -10,7 +10,6 @@
 import org.springframework.util.StopWatch;
 
 @Aspect
-@Component
 public class ProfilingAspect {
   private static final Logger LOGGER = LoggerFactory.getLogger(ProfilingAspect.class);
 

src/main/java/com/rosieapp/aop/aspect/SampleServiceAspect.java

@@ -9,8 +9,8 @@
 /**
  * Created by gkatzioura on 5/28/16.
  */
+
 @Aspect
-@Component
 public class SampleServiceAspect {
   private static final Logger LOGGER = LoggerFactory.getLogger(SampleServiceAspect.class);
 

src/main/java/com/rosieapp/aop/config/AspectJConfig.java

@@ -0,0 +1,13 @@
+package com.rosieapp.aop.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.EnableLoadTimeWeaving;
+import org.springframework.context.annotation.EnableLoadTimeWeaving.AspectJWeaving;
+
+/**
+ * @author Guy Paddock (guy@redbottledesign.com)
+ */
+@Configuration
+@EnableLoadTimeWeaving(aspectjWeaving = AspectJWeaving.ENABLED)
+public class AspectJConfig {
+}

src/main/resources/META-INF/aop.xml

@@ -0,0 +1,12 @@
+<!DOCTYPE aspectj PUBLIC "-//AspectJ//DTD//EN" "http://www.eclipse.org/aspectj/dtd/aspectj.dtd">
+<aspectj>
+  <weaver options="-verbose -showWeaveInfo">
+    <!-- only weave classes in our application-specific packages -->
+    <include within="com.rosieapp.aop..*" />
+  </weaver>
+  <aspects>
+    <!-- weave in just this aspect -->
+    <aspect name="com.rosieapp.aop.aspect.ProfilingAspect"/>
+    <aspect name="com.rosieapp.aop.aspect.SampleServiceAspect"/>
+  </aspects>
+</aspectj>