/**
   * Processes requests to display a list of the current concept map types in the database
   *
   * @param model the {@link ModelMap} object
   * @param request the {@link WebRequest} object
   */
  @RequestMapping(method = RequestMethod.GET, value = CONCEPT_MAP_TYPE_LIST_URL)
  public void showConceptMapTypeList(ModelMap model, WebRequest request) {
    ConceptService conceptService = Context.getConceptService();
    List<ConceptMapType> conceptMapTypeList = null;
    conceptMapTypeList = conceptService.getConceptMapTypes(true, true);

    model.addAttribute("conceptMapTypeList", conceptMapTypeList);
  }