public function __set($name, $value) {
        if(in_array($name, self::$attributes[$this->className])) {
            $fieldMeta = self::$meta[$this->className][$name];
            $dbtype = $fieldMeta['dbtype'];
            if($dbtype != 'varchar') {
                switch($dbtype) {
                    case 'int':
                        if(empty($value)) {
                            $value = null;
                        }
                        else {
                            $value = (int)$value;
                        }
                        break;

                    case 'tinyint':
                        $value = (bool)$value;
                        break;
                }
            }
        }
        else if(!$this->isNewRecord() && isset($this->associations->{$name})) {
            $this->associations->save($name, $this, $value);
        }

        $this->data[$name] = $value;
    }