public function __construct(SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
     $this->code = (string) $xml->code;
     $this->description = (string) $xml->description;
     if (count($xml->endTime)) {
         $this->endTime = (int) $xml->endTime;
     }
     if (count($xml->duration)) {
         $this->duration = (int) $xml->duration;
     }
 }
 public function __construct(SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
     $this->protocolType = (string) $xml->protocolType;
     $this->sourceUrl = (string) $xml->sourceUrl;
     $this->adType = (string) $xml->adType;
     $this->title = (string) $xml->title;
     if (count($xml->endTime)) {
         $this->endTime = (int) $xml->endTime;
     }
     if (count($xml->duration)) {
         $this->duration = (int) $xml->duration;
     }
 }
 public function __construct(SimpleXMLElement $xml = null)
 {
     parent::__construct($xml);
     if (is_null($xml)) {
         return;
     }
     $this->parentId = (string) $xml->parentId;
     $this->text = (string) $xml->text;
     if (count($xml->endTime)) {
         $this->endTime = (int) $xml->endTime;
     }
     if (count($xml->duration)) {
         $this->duration = (int) $xml->duration;
     }
     if (count($xml->depth)) {
         $this->depth = (int) $xml->depth;
     }
     if (count($xml->childrenCount)) {
         $this->childrenCount = (int) $xml->childrenCount;
     }
     if (count($xml->directChildrenCount)) {
         $this->directChildrenCount = (int) $xml->directChildrenCount;
     }
 }