public function getUri( $absolute = false )
    {
        if ( empty( $this->contentId ) )
        {
            return '#error-paragraph-missing:contentId';
        }

        if ( 'content' == $this->subType )
        {
            return $this->getUriForContent( $this->contentId, $absolute );
        }

        return $this->getUriById( $this->contentId );
    }