code: @Override
     protected void closeStatements()
     {
        super.closeStatements();
  
        try
        {
           if (findACLHolders != null)
           {
              findACLHolders.close();
           }
  
           if (findNodesByParentIdCQ != null)
           {
              findNodesByParentIdCQ.close();
           }
  
           if (findPropertiesByParentIdCQ != null)
           {
              findPropertiesByParentIdCQ.close();
           }
  
           if (findNodeMainPropertiesByParentIdentifierCQ != null)
           {
              findNodeMainPropertiesByParentIdentifierCQ.close();
           }
  
           if (findItemQPathByIdentifierCQ != null)
           {
              findItemQPathByIdentifierCQ.close();
           }
  
           if (findPropertyById != null)
           {
              findPropertyById.close();
           }
  
           if (deleteValueDataByOrderNum != null)
           {
              deleteValueDataByOrderNum.close();
           }
  
           if (deleteReferenceByOrderNum != null)
           {
              deleteReferenceByOrderNum.close();
           }
           
           if (updateReference != null)
           {
              updateReference.close();
           }
           
           if (updateValue != null)
           {
              updateValue.close();
           }
  
           if (findPropertiesByParentIdAndComplexPatternCQ != null)
           {
              findPropertiesByParentIdAndComplexPatternCQ.close();
           }
  
           if (findNodesByParentIdAndComplexPatternCQ != null)
           {
              findNodesByParentIdAndComplexPatternCQ.close();
           }
  
           if (findNodesByParentIdLazilyCQ != null)
           {
              findNodesByParentIdLazilyCQ.close();
           }
           if (findLastOrderNumber != null)
           {
              findLastOrderNumber.close();
           }
        }
        catch (SQLException e)
        {
           LOG.error("Can't close the Statement: " + e.getMessage());
        }
     }
docs: {@inheritDoc}