dataDeleter.SetField(clazz, "dataDeleter", JNI::Long) &&
      bool init() {         JNI::ClassRef clazz, containerClass;         return (               clazz.SetClass("vdr/mhp/lang/NativeDataContainer$Data") &&               containerClass.SetClass("vdr/mhp/lang/NativeDataContainer") &&               nativeData.SetField(clazz, "nativeData", JNI::Long) &&               dataIsNull.SetField(clazz, "dataIsNull", JNI::Boolean) &&               create.SetMethodWithArguments(containerClass, "createNativeData", JNI::Object, 0, "vdr/mhp/lang/NativeData", (char *)NULL)                );      }