public static List<ImageAttribute> attributesForImageAndMode(
     Project project, DatabaseImage image, Boolean dataMode) {
   if (dataMode == null) {
     List<ImageAttribute> attributes =
         ImageAttribute.find("byProjectAndImage", project, image).fetch();
     return attributes;
   } else {
     List<ImageAttribute> attributes =
         ImageAttribute.find("byProjectAndImageAndData", project, image, dataMode).fetch();
     return attributes;
   }
 }