public DataStore getDataStore(final String name) {
        if (name == null) {
            return null;
        }
        return dataStoreMap.get(name.toLowerCase(Locale.ROOT));
    }

    public String[] getDataStoreNames() {
        final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();
        if (now - lastLoadedTime > 60000L) {
            final List<String> nameList = loadDataStoreNameList();

        RenderDataUtil.register(data, "roleTypeItems", roleTypeService.getRoleTypeList());
    }

    protected void registerHandlerNames(final RenderData data) {
        final String[] dataStoreNames = dataStoreFactory.getDataStoreNames();
        final List<Map<String, String>> itemList = new ArrayList<>();
        for (final String name : dataStoreNames) {
            final Map<String, String> map = new HashMap<>();