/**
  * Just whether movement has already been added to transaction
  * and adds it, if not.
  */
 protected function _addMovementToTransactionIfNeeded()
 {
     if (!$this->_movementInTransaction) {
         $this->_movementCreator->setTransaction($this->_transaction);
         $this->_movementCreator->createWithoutAdjustments($this->_movement);
         $this->_movementInTransaction = true;
     }
 }