/**
* Clone will return identical deep copy of this valueObject.
* Note, that this method is different than the clone() which
* is defined in java.lang.Object. Here, the retuned cloned object
* will also have all its attributes cloned.
*/
function cloneObject()
{
$cloned = new Noticias();
$cloned->setIdNoticia($this->idNoticia);
$cloned->setTitulo($this->titulo);
$cloned->setContenido($this->contenido);
return $cloned;
}