Granada\Granada::has_one PHP Method

    protected function has_one($associated_class_name, $foreign_key_name = null, $foreign_key_name_in_current_models_table = null, $connection_name = null)
    {
        // Added: to determine eager load relationship parameters
        $this->relating = 'has_one';
        return $this->_has_one_or_many($associated_class_name, $foreign_key_name, $foreign_key_name_in_current_models_table, $connection_name);
    }