@Override
  public boolean isSet(_Fields field) {
    if (field == null) {
      throw new java.lang.IllegalArgumentException();
    }

    switch (field) {
    case TABLE_IDENTIFIER:
      return isSetTableIdentifier();
    case ACTION:
      return isSetAction();
    case CHANGES:
      return isSetChanges();
    case COMMIT_TIME:
      return isSetCommitTime();
    case PROPERTIES:
      return isSetProperties();
    case COMMIT_META_PRODUCER:
      return isSetCommitMetaProducer();
    case SCHEMA_UPDATE_META:
      return isSetSchemaUpdateMeta();
    }
    throw new java.lang.IllegalStateException();
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
amoro-common/src/main/gen-java/org/apache/amoro/api/TableCommitMeta.java