Add “ClassLoader” paramter for enhance method. Prepare for improving...

Add “ClassLoader” paramter for enhance method. Prepare for improving interceptor initialization performance.

apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/AbstractClassEnhancePluginDefine.java

@@ -52,7 +52,7 @@ public abstract class AbstractClassEnhancePluginDefine {
         /**
          * find origin class source code for interceptor
          */
-        DynamicType.Builder<?> newClassBuilder = this.enhance(transformClassName, builder);
+        DynamicType.Builder<?> newClassBuilder = this.enhance(transformClassName, builder, classLoader);
 
         logger.debug("enhance class {} by {} completely.", transformClassName, interceptorDefineClassName);
 
@@ -60,7 +60,7 @@ public abstract class AbstractClassEnhancePluginDefine {
     }
 
     protected abstract DynamicType.Builder<?> enhance(String enhanceOriginClassName,
-        DynamicType.Builder<?> newClassBuilder) throws PluginException;
+        DynamicType.Builder<?> newClassBuilder, ClassLoader classLoader) throws PluginException;
 
     /**
      * Define the classname of target class.

apm-sniffer/apm-agent-core/src/main/java/org/skywalking/apm/agent/core/plugin/interceptor/enhance/ClassEnhancePluginDefine.java

@@ -49,10 +49,10 @@ public abstract class ClassEnhancePluginDefine extends AbstractClassEnhancePlugi
      */
     @Override
     protected DynamicType.Builder<?> enhance(String enhanceOriginClassName,
-        DynamicType.Builder<?> newClassBuilder) throws PluginException {
-        newClassBuilder = this.enhanceClass(enhanceOriginClassName, newClassBuilder);
+        DynamicType.Builder<?> newClassBuilder, ClassLoader classLoader) throws PluginException {
+        newClassBuilder = this.enhanceClass(enhanceOriginClassName, newClassBuilder, classLoader);
 
-        newClassBuilder = this.enhanceInstance(enhanceOriginClassName, newClassBuilder);
+        newClassBuilder = this.enhanceInstance(enhanceOriginClassName, newClassBuilder, classLoader);
 
         return newClassBuilder;
     }
@@ -65,7 +65,7 @@ public abstract class ClassEnhancePluginDefine extends AbstractClassEnhancePlugi
      * @return new byte-buddy's builder for further manipulation.
      */
     private DynamicType.Builder<?> enhanceInstance(String enhanceOriginClassName,
-        DynamicType.Builder<?> newClassBuilder) throws PluginException {
+        DynamicType.Builder<?> newClassBuilder, ClassLoader classLoader) throws PluginException {
         ConstructorInterceptPoint[] constructorInterceptPoints = getConstructorsInterceptPoints();
         InstanceMethodsInterceptPoint[] instanceMethodsInterceptPoints = getInstanceMethodsInterceptPoints();
 
@@ -173,7 +173,7 @@ public abstract class ClassEnhancePluginDefine extends AbstractClassEnhancePlugi
      * @return new byte-buddy's builder for further manipulation.
      */
     private DynamicType.Builder<?> enhanceClass(String enhanceOriginClassName,
-        DynamicType.Builder<?> newClassBuilder) throws PluginException {
+        DynamicType.Builder<?> newClassBuilder, ClassLoader classLoader) throws PluginException {
         StaticMethodsInterceptPoint[] staticMethodsInterceptPoints = getStaticMethodsInterceptPoints();
 
         if (staticMethodsInterceptPoints == null || staticMethodsInterceptPoints.length == 0) {