/**
  * @param string $task_name
  * @param int    $total_record_qty
  * @return IBatchTask
  */
 public function buildBatchTask($task_name, $total_record_qty)
 {
     $task = new BatchTask();
     $task->Name = $task_name;
     $task->initialize($total_record_qty);
     return $task;
 }