private long convertToTime(JsonNode jsonNode, Void context) {
    TemporalAccessor parsedTime = TimeFormats.SQL_TIME_FORMAT.parse(jsonNode.asText());
    LocalTime localTime = parsedTime.query(TemporalQueries.localTime());

    // get number of nanos of the day
    return localTime.toNanoOfDay();
  }
Converter to convert {@link JsonNode} to log data.

@param <T> to indicate the log data type
amoro-format-iceberg/src/main/java/org/apache/amoro/log/JsonToLogDataConverters.java