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

    int lastComparison = 0;

    lastComparison = java.lang.Boolean.compare(isSetCatName(), other.isSetCatName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetCatName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.catName, other.catName);
      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(isSetPackageName(), other.isSetPackageName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetPackageName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.packageName, other.packageName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetOwnerName(), other.isSetOwnerName());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetOwnerName()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.ownerName, other.ownerName);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetHeader(), other.isSetHeader());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetHeader()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.header, other.header);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetBody(), other.isSetBody());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetBody()) {
      lastComparison = org.apache.thrift.TBaseHelper.compareTo(this.body, other.body);
      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/AddPackageRequest.java