private void processColumnChildren ( FacesContext context , int processAction ) { int first = getFirst ( ) ; int rows = getRows ( ) ; int last ; if ( rows == 0 ) { last = getRowCount ( ) ; } else { last = first + rows ; } for ( int rowIndex = first ; last == - 1 || rowIndex < last ; rowIndex ++ ) { setRowIndex ( rowIndex ) ; // scrolled past the last row if ( ! isRowAvailable ( ) ) { break ; } for ( int i = 0 , childCount = getChildCount ( ) ; i < childCount ; i ++ ) { UIComponent child = getChildren ( ) . get ( i ) ; if ( child instanceof UIColumn ) { if ( ! _ComponentUtils . isRendered ( context , child ) ) { // Column is not visible continue ; } for ( int j = 0 , columnChildCount = child . getChildCount ( ) ; j < columnChildCount ; j ++ ) { UIComponent columnChild = child . getChildren ( ) . get ( j ) ; process ( context , columnChild , processAction ) ; } } } } }
Invoke the specified phase on all non - facet children of all UIColumn children of this component . Note that no methods are called on the UIColumn child objects themselves .