public List<AnalysisExpression> getAnalysisExpressionItems() {
   if (analysisExpressionItems == null) {
     getPagingInfo();
     analysisExpressionItems =
         jpaController.findAnalysisExpressionEntities(
             pagingInfo.getBatchSize(), pagingInfo.getFirstItem());
   }
   return analysisExpressionItems;
 }
 public SelectItem[] getAnalysisExpressionItemsAvailableSelectOne() {
   return JsfUtil.getSelectItems(jpaController.findAnalysisExpressionEntities(), true);
 }