DataTable table = (DataTable) uiComponent;
decodePagination(context, table);
RowGrouping rowGrouping = table.getRowGrouping();
if (rowGrouping != null)
rowGrouping.processDecodes(context);
}
private void decodePagination(FacesContext context, DataTable table) {
Map requestParameterMap = context.getExternalContext().getRequestParameterMap();
String pagingAction = (String) requestParameterMap.get(table.getClientId(context) + "::pagination");