public function __construct($vals = null)
 {
     if (!isset(self::$_TSPEC)) {
         self::$_TSPEC = array(1 => array('var' => 'type', 'type' => TType::STRUCT, 'class' => 'metastore_Type'));
     }
     if (is_array($vals)) {
         if (isset($vals['type'])) {
             $this->type = $vals['type'];
         }
     }
 }