/**
  * Retrieve the text group object based on the supplied key.
  *
  * @see org.jasig.portlet.survey.mvc.service.ISurveyDataService#getTextGroup(java.lang.String)
  */
 @Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
 @Override
 public ITextGroup getTextGroup(String textKey) {
   return jpaSurveyDao.getText(textKey, variantStrategy.getVariantName());
 }