setCellData(sheet);
XSSFPivotTable pivotTable = sheet.createPivotTable(new AreaReference("A1:D4"), new CellReference("H5"));
//Configure the pivot table
//Use first column as row label
pivotTable.addRowLabel(0);
//Sum up the second column
pivotTable.addColumnLabel(DataConsolidateFunction.SUM, 1);
//Set the third column as filter
pivotTable.addColumnLabel(DataConsolidateFunction.AVERAGE, 2);
//Add filter on forth column