simplify CtNewMethod.copy invocation

src/main/java/com/alibaba/ttl/threadpool/agent/internal/transformlet/impl/TtlForkJoinTransformlet.java

@@ -44,12 +44,11 @@ public class TtlForkJoinTransformlet implements JavassistTransformlet {
         clazz.addField(capturedField, "com.alibaba.ttl.TransmittableThreadLocal.Transmitter.capture();");
         logger.info("add new field " + capturedFieldName + " to class " + className);
 
-        final String doExec_methodName = "doExec";
-        final CtMethod doExecMethod = clazz.getDeclaredMethod(doExec_methodName, new CtClass[0]);
-        final CtMethod new_doExecMethod = CtNewMethod.copy(doExecMethod, doExec_methodName, clazz, null);
+        final CtMethod doExecMethod = clazz.getDeclaredMethod("doExec", new CtClass[0]);
+        final CtMethod new_doExecMethod = CtNewMethod.copy(doExecMethod, clazz, null);
 
         // rename original doExec method, and set to private method(avoid reflect out renamed method unexpectedly)
-        final String original_doExec_method_rename = "original$doExec$method$renamed$by$ttl";
+        final String original_doExec_method_rename = "original$" + doExecMethod.getName()+ "$method$renamed$by$ttl";
         doExecMethod.setName(original_doExec_method_rename);
         doExecMethod.setModifiers(doExecMethod.getModifiers() & ~Modifier.PUBLIC /* remove public */ | Modifier.PRIVATE /* add private */);
 

src/main/java/com/alibaba/ttl/threadpool/agent/internal/transformlet/impl/TtlTimerTaskTransformlet.java

@@ -58,10 +58,10 @@ public class TtlTimerTaskTransformlet implements JavassistTransformlet {
         logger.info("add new field " + capturedFieldName + " to class " + className);
 
         final CtMethod runMethod = clazz.getDeclaredMethod(RUN_METHOD_NAME, new CtClass[0]);
-        final CtMethod new_runMethod = CtNewMethod.copy(runMethod, RUN_METHOD_NAME, clazz, null);
+        final CtMethod new_runMethod = CtNewMethod.copy(runMethod, clazz, null);
 
         // rename original run method, and set to private method(avoid reflect out renamed method unexpectedly)
-        final String original_run_method_rename = "original$run$method$renamed$by$ttl";
+        final String original_run_method_rename = "original$" + runMethod.getName() + "$method$renamed$by$ttl";
         runMethod.setName(original_run_method_rename);
         runMethod.setModifiers(runMethod.getModifiers() & ~Modifier.PUBLIC /* remove public */ | Modifier.PRIVATE /* add private */);