private QuestionContainerBm getQuestionContainerBm() {
   QuestionContainerBm currentQuestionContainerBm = null;
   try {
     QuestionContainerBmHome questionContainerBmHome =
         (QuestionContainerBmHome)
             EJBUtilitaire.getEJBObjectRef(
                 JNDINames.QUESTIONCONTAINERBM_EJBHOME, QuestionContainerBmHome.class);
     currentQuestionContainerBm = questionContainerBmHome.create();
   } catch (Exception e) {
     displayError(null);
   }
   return currentQuestionContainerBm;
 }
  private QuestionContainerBm getQuestionBm() {
    if (questionContainerBm == null) {
      try {
        QuestionContainerBmHome questionContainerBmHome =
            (QuestionContainerBmHome)
                EJBUtilitaire.getEJBObjectRef(
                    JNDINames.QUESTIONCONTAINERBM_EJBHOME, QuestionContainerBmHome.class);

        this.questionContainerBm = questionContainerBmHome.create();
      } catch (Exception e) {
        throw new EJBException(e.getMessage());
      }
    }
    return questionContainerBm;
  }