/**
  * Gets the map of the reachable items.
  * @param AssessmentTestSession $session
  * @return array The map of the test
  */
 public static function getTestMap($session)
 {
     $map = array();
     if ($session->isRunning() !== false) {
         $route = $session->getRoute();
         $routeItems = $route->getAllRouteItems();
         $offset = $route->getRouteItemPosition($routeItems[0]);
         foreach ($routeItems as $routeItem) {
             $itemRef = $routeItem->getAssessmentItemRef();
             $occurrence = $routeItem->getOccurence();
             // get the session related to this route item.
             $store = $session->getAssessmentItemSessionStore();
             $itemSession = $store->getAssessmentItemSession($itemRef, $occurrence);
             $map[] = new Jump($offset, $routeItem, $itemSession);
             $offset++;
         }
     }
     return $map;
 }