public void updateColumnMappings() {
        columnMapping = new HashMap<>();
        int realIdx = 0;
        int renderCol = 0;
        for (final SheetColumn column : getColumns()) {
            if (column.isRendered()) {
                columnMapping.put(renderCol, realIdx);
                renderCol++;
            }
            realIdx++;
        }
    }
public void updateColumnMappings ( ) { columnMapping = new HashMap < > ( ) ; int realIdx = 0 ; int renderCol = 0 ; for ( final SheetColumn column : getColumns ( ) ) { if ( column . isRendered ( ) ) { columnMapping . put ( renderCol , realIdx ) ; renderCol ++ ; } realIdx ++ ; } }
Updates the column mappings based on the rendered attribute