code: public void rollback() throws BackupException
     {
        try
        {
           jdbcConn.rollback();
  
           dbCleaner.rollback();
  
           jdbcConn.commit();
        }
        catch (SQLException e)
        {
           throw new BackupException(e);
        }
        catch (DBCleanException e)
        {
           throw new BackupException(e);
        }
     }
docs: {@inheritDoc}