/**
  * @param int $id
  * @param AccountTwrValue $model
  * @return bool
  */
 public function update($id, AccountTwrValue $model)
 {
     return $this->fpdo->update($this->table, array('net_value' => $model->getNetValue(), 'gross_value' => $model->getGrossValue()), $id)->execute();
 }