public function generateLabel()
 {
     $tids = $this->getInboundOrder()->getTravelerIds();
     if (is_a($tids, 'Doctrine\\ORM\\PersistentCollection')) {
         $tids->initialize();
     }
     $this->getInboundOrder()->addTravelerId($this);
     $label = $this->getInboundOrder()->getLabel() . '-' . Utilities::baseEncode($tids->indexOf($this) + 1);
     $this->setLabel($label);
     return $label;
 }
 public function generateLabel()
 {
     $label = Utilities::baseEncode($this->getId());
     $this->setLabel($label);
     return $label;
 }