question: protected JvmCompilationMeta createJvmCompilationMetaNode ( String groupName , String groupOid , ObjectName groupObjname , MBeanServer server ) { if ( ManagementFactory . getCompilationMXBean ( ) == null ) return null ; return super . createJvmCompilationMetaNode ( groupName , groupOid , groupObjname , server ) ; }
target:  Factory method for "JvmCompilation" group metadata class. You can redefine this method if you need to replace the default generated metadata class with your own customized class.