/**
  * Performs a hint request and invokes the (re-)saving the question solution.
  * Redirects to local showHint command
  * 
  * @access	private
  * @global	ilCtrl $ilCtrl
  */
 private function performRequestCmd()
 {
     global $ilCtrl;
     if (!isset($_GET['hintId']) || !(int) $_GET['hintId']) {
         throw new ilTestException('no hint id given');
     }
     $nextRequestableHint = ilAssQuestionHintTracking::getNextRequestableHint($this->questionOBJ->getId(), $this->testSession->getActiveId(), $this->testSession->getPass());
     if ($nextRequestableHint->getId() != (int) $_GET['hintId']) {
         throw new ilTestException('given hint id does not relate to the next requestable hint');
     }
     ilAssQuestionHintTracking::storeRequest($nextRequestableHint, $this->questionOBJ->getId(), $this->testSession->getActiveId(), $this->testSession->getPass());
     $this->testOutputGUI->saveQuestionSolution();
     $redirectTarget = $this->getHintPresentationLinkTarget($nextRequestableHint->getId(), false);
     ilUtil::redirect($redirectTarget);
 }
 /**
  * Performs a hint request and invokes the (re-)saving the question solution.
  * Redirects to local showHint command
  * 
  * @access	private
  * @global	ilCtrl $ilCtrl
  */
 private function performRequestCmd()
 {
     global $ilCtrl;
     if (!isset($_GET['hintId']) || !(int) $_GET['hintId']) {
         throw new ilTestException('no hint id given');
     }
     $nextRequestableHint = ilAssQuestionHintTracking::getNextRequestableHint($this->questionOBJ->getId(), $this->testSession->getActiveId(), $this->testSession->getPass());
     if ($nextRequestableHint->getId() != (int) $_GET['hintId']) {
         throw new ilTestException('given hint id does not relate to the next requestable hint');
     }
     ilAssQuestionHintTracking::storeRequest($nextRequestableHint, $this->questionOBJ->getId(), $this->testSession->getActiveId(), $this->testSession->getPass());
     $this->testOutputGUI->saveQuestionSolution();
     $redirectTarget = ilUtil::appendUrlParameterString($ilCtrl->getLinkTarget($this, self::CMD_SHOW_HINT, '', false, false), "hintId={$nextRequestableHint->getId()}");
     ilUtil::redirect($redirectTarget);
 }