public function getSource()
    {
        $ret = ' * ';

        $ret .= '@' . $this->type;

        if (strlen($this->datatype) > 0) {
            $ret .= ' ' . $this->datatype;
        }

        if (strlen($this->variableName) > 0) {
            $ret .= ' $' . $this->variableName;
        }

        if (strlen($this->description) > 0) {
            $ret .= ' ' . $this->description;
        }

        $ret .= PHP_EOL;

        return $ret;
    }