/**
  * updates all information in a RideNodeList
  * @param RideNodeList $list
  */
 private function updateRideNodeListInformation(RideNodeList &$list)
 {
     $totalDistance = 0;
     $totalEmptyRideTime = 0;
     $totalEmptyRideDistance = 0;
     //retired        $maxPassengersOnRide = 0;
     //retired        $maxWheelChairsOnRide = 0;
     //retired        $contradictingVehicleCategories = array();
     foreach ($list->getRideNodes() as $node) {
         $totalDistance += $node->distance;
         if ($node->nextNode) {
             $emptyRide = $this->adjacenceMatrix[$node->getRideNodeHashId()][$node->nextNode->getRideNodeHashId()];
             $totalEmptyRideTime += $emptyRide->duration;
             $totalEmptyRideDistance += $emptyRide->distance;
             $totalDistance += $emptyRide->distance;
         }
         //retired            if ($node->passengers > $maxPassengersOnRide) {
         //retired                $maxPassengersOnRide += $node->passengers;
         //retired            }
         //retired            if ($node->wheelChairs > $maxWheelChairsOnRide) {
         //retired                $maxWheelChairsOnRide = $node->wheelChairs;
         //retired            }
         //retired            if (count($node->contradictingVehicleCategories) > 0) {
         //retired                foreach ($node->contradictingVehicleCategories as $key=>$cat) {
         //retired                    $contradictingVehicleCategories[$key] = $cat;
         //retired                }
         //retired            }
     }
     $list->setTotalDistance($totalDistance);
     $list->setTotalEmptyRideDistance($totalEmptyRideDistance);
     $list->setTotalEmptyRideTime($totalEmptyRideTime);
     //retired        $list->setMaxPassengersOnRide($maxPassengersOnRide);
     //retired        $list->setMaxWheelChairsOnRide($maxWheelChairsOnRide);
     //retired        $list->setContradictingVehicleCategories($contradictingVehicleCategories);
 }