@Override
  public int compareTo(ReplTblWriteIdStateRequest other) {
    if (!getClass().equals(other.getClass())) {
      return getClass().getName().compareTo(other.getClass().getName());
    }

    int lastComparison = 0;

    lastComparison = java.lang.Boolean.compare(isSetValidWriteIdlist(), other.isSetValidWriteIdlist());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetValidWriteIdlist()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.validWriteIdlist, other.validWriteIdlist);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetUser(), other.isSetUser());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetUser()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.user, other.user);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetHostName(), other.isSetHostName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetHostName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.hostName, other.hostName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetDbName(), other.isSetDbName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetDbName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.dbName, other.dbName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetTableName(), other.isSetTableName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetTableName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.tableName, other.tableName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetPartNames(), other.isSetPartNames());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetPartNames()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.partNames, other.partNames);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    return 0;
  }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
standalone-metastore/metastore-common/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/metastore/api/ReplTblWriteIdStateRequest.java