OrderableSearchContainer.java

PortalPreferences portalPrefs = PortletPreferencesFactoryUtil.getPortalPreferences(request); 
String sortByCol = ParamUtil.getString(request, "orderByCol"); 
String sortByType = ParamUtil.getString(request, "orderByType"); 
   
if (Validator.isNotNull(sortByCol ) && Validator.isNotNull(sortByType )) { 

portalPrefs.setValue("NAME_SPACE", "sort-by-col", sortByCol); 
portalPrefs.setValue("NAME_SPACE", "sort-by-type", sortByCol); 

} else { 

orderByCol = portalPrefs.getValue("NAME_SPACE", "sort-by-col", "First Name");
orderByType = portalPrefs.getValue("NAME_SPACE", "sort-by-type ", "asc");   
}