public void setValue(Object value) {
        getStateHelper().put(PropertyKeys.value, value);
        _dataModelMap.clear();
        _rowStates.clear();
        _isValidChilds = true;
    }
Handle case where this table is nested inside another table. See method getDataModel for more details.
<p>
Key: parentClientId (aka rowId when nested within a parent table) Value: DataModel
primefaces/src/main/java/org/primefaces/component/api/UITabPanel.java