Method handleExp

solr/solrj/src/java/org/apache/solr/common/util/Utils.java:771–778

(Logger logger, T def, Callable<T> c)

   *     insertion/writing
   * @param o the object to be converted
   */
  public static void reflectWrite(MapWriter.EntryWriter ew, Object o) {
    reflectWrite(
        ew,
        o,
        field -> field.getAnnotation(JsonProperty.class) != null,
        null, // No catch-all/unknown-field support for objects annotated with our mimic
        // annotations.
        field -> {
          final JsonProperty prop = field.getAnnotation(JsonProperty.class);
          return prop.value().isEmpty() ? field.getName() : prop.value();