Examples of org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator.evaluate()

Class org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator

Examples of org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator.evaluate()

org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator.evaluate()
If cell contains a formula, the formula is evaluated and returned, else the CellValue simply copies the appropriate cell value from the cell and also its cell type. This method should be preferred over evaluateInCell() when the call should not modify the contents of the original cell. @param cell may be null signifying that the cell is not present (or blank) @return null if the supplied cell is null or blank


    double expectedResult = (4.0 * 8.0 + 5.0 * 9.0) / 10.0;


    HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(sheet1, wb);
    fe.setCurrentRow(row);
    CellValue cv = fe.evaluate(cell);


    assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cv.getCellType());
    assertEquals(expectedResult, cv.getNumberValue(), 0.0);
  }

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            try {
            c = r.getCell(colnum);
            if (c==null || c.getCellType() != HSSFCell.CELL_TYPE_FORMULA)
                continue;
            
            HSSFFormulaEvaluator.CellValue actualValue = evaluator.evaluate(c);
            
            HSSFCell expectedValueCell = getExpectedValueCell(s, r, c);
            assertEquals("Formula: " + c.getCellFormula() 
                    + " @ " + getBeginRow() + ":" + colnum, 
                    expectedValueCell, actualValue);

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    sheet.createRow(32769).createCell(0).setCellValue(11);


    HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
    CellValue result;
    try {
      result = fe.evaluate(cell);
    } catch (FormulaParseException e) {
      if (!e.getMessage().equals("Found reference to named range \"A\", but that named range wasn't defined!")) {
        throw new AssertionFailedError("Identifed bug 44539");
      }
      throw e;

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    HSSFCell cell = row.createCell(0);
    cell.setCellFormula("1+IF(1,,)");
    HSSFFormulaEvaluator fe = new HSSFFormulaEvaluator(wb);
    CellValue cv;
    try {
      cv = fe.evaluate(cell);
    } catch (RuntimeException e) {
      throw new AssertionFailedError("Missing arg result not being handled correctly.");
    }
    assertEquals(HSSFCell.CELL_TYPE_NUMERIC, cv.getCellType());
    // adding blank to 1.0 gives 1.0

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    assertEquals(1.0, cv.getNumberValue(), 0.0);


    // check with string operand
    cell.setCellFormula("\"abc\"&IF(1,,)");
    fe.notifySetFormula(cell);
    cv = fe.evaluate(cell);
    assertEquals(HSSFCell.CELL_TYPE_STRING, cv.getCellType());
    // adding blank to "abc" gives "abc"
    assertEquals("abc", cv.getStringValue());


    // check CHOOSE()

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    assertEquals("abc", cv.getStringValue());


    // check CHOOSE()
    cell.setCellFormula("\"abc\"&CHOOSE(2,5,,9)");
    fe.notifySetFormula(cell);
    cv = fe.evaluate(cell);
    assertEquals(HSSFCell.CELL_TYPE_STRING, cv.getCellType());
    // adding blank to "abc" gives "abc"
    assertEquals("abc", cv.getStringValue());
  }

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    fe.notifyUpdateCell(cellA1);
    fe.notifyUpdateCell(cellB1);


    CellValue cv;
    cv = fe.evaluate(cellA1);
    assertEquals(3.7, cv.getNumberValue(), 0.0);


    cellB1.setCellType(HSSFCell.CELL_TYPE_BLANK);
    fe.notifyUpdateCell(cellB1);
    cv = fe.evaluate(cellA1); // B1 was used to evaluate A1

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    cv = fe.evaluate(cellA1);
    assertEquals(3.7, cv.getNumberValue(), 0.0);


    cellB1.setCellType(HSSFCell.CELL_TYPE_BLANK);
    fe.notifyUpdateCell(cellB1);
    cv = fe.evaluate(cellA1); // B1 was used to evaluate A1
    assertEquals(2.2, cv.getNumberValue(), 0.0);


    cellB1.setCellValue(0.4);  // changing B1, so A1 cached result should be cleared
    fe.notifyUpdateCell(cellB1);
    cv = fe.evaluate(cellA1);

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    cv = fe.evaluate(cellA1); // B1 was used to evaluate A1
    assertEquals(2.2, cv.getNumberValue(), 0.0);


    cellB1.setCellValue(0.4);  // changing B1, so A1 cached result should be cleared
    fe.notifyUpdateCell(cellB1);
    cv = fe.evaluate(cellA1);
    if (cv.getNumberValue() == 2.2) {
      // looks like left-over cached result from before change to B1
      throw new AssertionFailedError("Identified bug 46053");
    }
    assertEquals(2.6, cv.getNumberValue(), 0.0);

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    HSSFCell myFuncCell = row.getCell(1); // =myFunc("_")


    HSSFCell myFunc2Cell = row.getCell(2); // =myFunc2("_")


    HSSFFormulaEvaluator fe = HSSFFormulaEvaluator.create(wb, null, udff);
    assertEquals("_abc", fe.evaluate(myFuncCell).getStringValue());
    assertEquals("_abc2", fe.evaluate(myFunc2Cell).getStringValue());
  }
}

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