public function changeState(RlcAssignmentState $newState)
 {
     // Save the new state's name, catching any exceptions
     $this->state = $newState->getStateName();
     try {
         $this->save();
     } catch (Exception $e) {
         throw $e;
     }
     // If we made it this far, then do the onEnter stuff
     $newState->onEnter();
 }