/**
* (non-PHPdoc)
* @see EFeedItemAbstract::setLink()
*/
public function setLink( $link ){
$validator = new CUrlValidator();
if(!$validator->validateValue($link))
throw new CException( Yii::t('EFeed', $link. ' does not seem to be a valid URL') );
$this->addTag('link','',array('href'=>$link));
$this->addTag('id', EFeed::uuid($link,'urn:uuid:'));
}