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

    int lastComparison = 0;

    lastComparison = java.lang.Boolean.compare(isSetFileType(), other.isSetFileType());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetFileType()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.fileType, other.fileType);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetPath(), other.isSetPath());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetPath()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.path, other.path);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetFileSize(), other.isSetFileSize());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetFileSize()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.fileSize, other.fileSize);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetMask(), other.isSetMask());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetMask()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.mask, other.mask);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetIndex(), other.isSetIndex());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetIndex()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.index, other.index);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetSpecId(), other.isSetSpecId());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetSpecId()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.specId, other.specId);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetPartition(), other.isSetPartition());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetPartition()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.partition, other.partition);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetRecordCount(), other.isSetRecordCount());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetRecordCount()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.recordCount, other.recordCount);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    lastComparison = java.lang.Boolean.compare(isSetUpperBounds(), other.isSetUpperBounds());
    if (lastComparison != 0) {
      return lastComparison;
    }
    if (isSetUpperBounds()) {
      lastComparison = org.apache.amoro.shade.thrift.org.apache.thrift.TBaseHelper.compareTo(this.upperBounds, other.upperBounds);
      if (lastComparison != 0) {
        return lastComparison;
      }
    }
    return 0;
  }
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/DataFile.java