@Override
  public int hashCode() {
    return new HashCodeBuilder().append(tableName).append(region).append(columnFamily)
      .append(hfilePath).append(rowKey).toHashCode();
  }
The data corresponding to a single bulk-loaded file that is being tracked by the backup logic.
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/BulkLoad.java