@org.apache.thrift.annotation.Nullable
  @Override
  public java.lang.Object getFieldValue(_Fields field) {
    switch (field) {
    case ROWS:
      return getRows();

    case COLS:
      return getCols();

    case DATA:
      return getData();

    }
    throw new java.lang.IllegalStateException();
  }
@org.apache.thrift.annotation.Nullable
  @Override
  public java.lang.Object getFieldValue(_Fields field)