private function _checkEntity($oEntityCriteria)
	{
		$sClassName = get_called_class();
		$sClassName = str_replace('Model', 'Entity', $sClassName);

		if (!is_object($oEntityCriteria) || !$oEntityCriteria instanceof $sClassName) {

			throw new \Exception('You must passed '.$sClassName.' like Entity!');
		}
	}