@Override
public void restoreState(FacesContext context, Object stateObj) {
Object[] state = (Object[]) stateObj;
int i = 0;
super.restoreState(context, state[i++]);
groupingRules = (List<GroupingRule>) restoreAttachedState(context, state[i++]);
columnHeaderVar = (String) state[i++];
groupingValueVar = (String) state[i++];
groupingValueStringVar = (String) state[i++];
groupOnHeaderClick = (Boolean) state[i++];
hideGroupingColumns = (Boolean) state[i++];
expansionState = (ExpansionState) state[i++];
selectionMode = (RowGroupingSelectionMode) state[i++];
inGroupFootersCollapsible = (Boolean) state[i++];
groupFootersCollapsible = (Boolean) state[i++];
groupHeaderRowStyle = (String) state[i++];
groupHeaderRowClass = (String) state[i++];
groupFooterRowStyle = (String) state[i++];
groupFooterRowClass = (String) state[i++];
beforeUpdateValuesPhase = true;
incomingGroupingRules = null;
}
