Example usage for org.apache.poi.ss.formula IStabilityClassifier TOTALLY_IMMUTABLE

List of usage examples for org.apache.poi.ss.formula IStabilityClassifier TOTALLY_IMMUTABLE

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In this page you can find the example usage for org.apache.poi.ss.formula IStabilityClassifier TOTALLY_IMMUTABLE.

Prototype

IStabilityClassifier TOTALLY_IMMUTABLE

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Document

Convenience implementation for situations where all cell definitions remain fixed after evaluation begins.

Usage

From source file:com.dataart.spreadsheetanalytics.functions.poi.data.FuncexecFunction.java

License:Apache License

@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {

    log.debug("In evaluate() of FUNCEXEC function. Args = {}", Arrays.toString(args));

    if (!(args[0] instanceof StringEval) && !(args[0] instanceof RefEval)) {
        log.warn(/*from ww  w. j  a  v  a2  s  .  c  om*/
                "The first argument of FUNCEXEC function must be a string (or a reference to a cell) - name of DEFINE function.");
        return ErrorEval.VALUE_INVALID;
    }

    String defineFunctionName;
    try {
        defineFunctionName = (String) coerceValueTo(
                getSingleValue(args[0], ec.getRowIndex(), ec.getColumnIndex()));
    } catch (EvaluationException e) {
        log.error(String.format("Cannot get the value of DEFINE functuion name: %s", args[0]), e);
        return ErrorEval.VALUE_INVALID;
    }
    defineFunctionName = defineFunctionName.toUpperCase(Locale.getDefault());

    MetaFunctionAccessor defines = (MetaFunctionAccessor) ec.getCustomEvaluationContext()
            .get(MetaFunctionAccessor.class);
    if (defines == null) {
        defines = this.external.getMetaFunctionAccessor();
    }

    if (defines.get(defineFunctionName) == null) {
        log.warn("No DEFINE function with name {} is found.", defineFunctionName);
        return ErrorEval.NAME_INVALID;
    }

    List<ValueEval> inputValues = new LinkedList<>();
    List<ValueEval> inArgs = new ArrayList(Arrays.asList(args));
    inArgs.remove(0); //remove define function name

    try {
        for (ValueEval v : ICustomFunction.prepareQueryArgs(inArgs)) {
            inputValues.add(getSingleValue(v, ec.getRowIndex(), ec.getColumnIndex()));
        }
    } catch (EvaluationException e) {
        log.error("Cannot resolve input values for FUNCEXEC function", e);
        return ErrorEval.VALUE_INVALID;
    }

    final DefineFunctionMeta meta = (DefineFunctionMeta) defines.get(defineFunctionName);
    log.info("Found DEFINE function to invoke. Name = {}.", defineFunctionName);

    if (meta.getInputs().size() != inputValues.size()) {
        log.warn("Wrong number of input arguments for FUNCEXEC+DEFINE. Expected: {}, Actual: {}.",
                meta.getInputs().size(), args.length - 1);
        return ErrorEval.VALUE_INVALID;
    }

    List<IA1Address> inputAddresses = meta.getInputs();
    log.debug("Input Addresses for DEFINE: {}, Input Values for DEFINE: {}.", inputAddresses, inputValues);

    if (inputAddresses.size() != inputValues.size()) {
        log.warn("Wrong number of input arguments for {} function.", defineFunctionName);
        return ErrorEval.VALUE_INVALID;
    }

    DataModelAccessor dataModels = (DataModelAccessor) ec.getCustomEvaluationContext()
            .get(DataModelAccessor.class);
    if (dataModels == null) {
        dataModels = this.external.getDataModelAccessor();
    }

    IDataModel dmWithDefine = dataModels.get(meta.getDataModelId());

    Workbook book = toWorkbook(dmWithDefine);
    EvaluationWorkbook defineBook = toEvaluationWorkbook(book);

    Sheet s = book.getSheetAt(0); //TODO one sheet support
    for (int i = 0; i < inputAddresses.size(); i++) {

        Row defineRow = s.getRow(inputAddresses.get(i).row());
        if (defineRow == null) {
            defineRow = s.createRow(inputAddresses.get(i).row());
        }
        Cell defineCell = defineRow.getCell(inputAddresses.get(i).column());
        if (defineCell == null) {
            defineCell = defineRow.createCell(inputAddresses.get(i).column());
        }

        populateCellValue(defineCell, inputValues.get(i));
        updateCell(defineBook, defineCell);
    }

    WorkbookEvaluator defineEvaluator = new WorkbookEvaluator(defineBook,
            IStabilityClassifier.TOTALLY_IMMUTABLE, null);
    List<ValueEval> outputValues = meta.getOutputs().stream().map(
            a -> defineEvaluator.evaluate(getEvaluationCell(defineBook, a), ec.getCustomEvaluationContext()))
            .collect(Collectors.<ValueEval>toList());

    log.debug("Output Values of DEFINE execution: {}.", outputValues);

    return outputValues.size() == 1 ? outputValues.get(0) : toArrayEval(outputValues);
}

From source file:com.helger.poi.excel.ExcelReadUtilsTest.java

License:Apache License

/**
 * Validate reference sheets/*from   w w w.  java 2 s  .  c  o m*/
 * 
 * @param aWB
 *        Workbook to use
 */
private void _validateWorkbook(@Nonnull final Workbook aWB) {
    final Sheet aSheet1 = aWB.getSheet("Sheet1");
    assertNotNull(aSheet1);
    assertNotNull(aWB.getSheet("Sheet2"));
    final Sheet aSheet3 = aWB.getSheet("Sheet3");
    assertNotNull(aSheet3);
    assertNull(aWB.getSheet("Sheet4"));

    Cell aCell = aSheet1.getRow(0).getCell(0);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_STRING, aCell.getCellType());
    assertEquals("A1", aCell.getStringCellValue());

    aCell = aSheet1.getRow(1).getCell(1);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_STRING, aCell.getCellType());
    assertEquals("B2", aCell.getStringCellValue());

    aCell = aSheet1.getRow(2).getCell(2);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_STRING, aCell.getCellType());
    assertEquals("C\n3", aCell.getStringCellValue());

    aCell = aSheet1.getRow(3).getCell(3);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_NUMERIC, aCell.getCellType());
    assertEquals(0.00001, 4.4, aCell.getNumericCellValue());

    for (int i = 0; i < 6; ++i) {
        aCell = aSheet3.getRow(i).getCell(i);
        assertNotNull(aCell);
        assertEquals(Cell.CELL_TYPE_NUMERIC, aCell.getCellType());
        assertEquals(0.00001, i + 1, aCell.getNumericCellValue());
    }

    // ="abc"
    aCell = aSheet1.getRow(4).getCell(0);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_FORMULA, aCell.getCellType());
    assertEquals("\"abc\"", aCell.getCellFormula());
    assertEquals("abc", aCell.getStringCellValue());
    CellValue aEvaluated = new ExcelFormulaEvaluator(aWB, IStabilityClassifier.TOTALLY_IMMUTABLE)
            .evaluate(aCell);
    assertEquals(Cell.CELL_TYPE_STRING, aEvaluated.getCellType());
    assertEquals("abc", aEvaluated.getStringValue());

    // =4711
    aCell = aSheet1.getRow(5).getCell(1);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_FORMULA, aCell.getCellType());
    assertEquals("4711", aCell.getCellFormula());
    assertEquals(0.00001, 4711, aCell.getNumericCellValue());
    aEvaluated = new ExcelFormulaEvaluator(aWB, IStabilityClassifier.TOTALLY_IMMUTABLE).evaluate(aCell);
    assertEquals(Cell.CELL_TYPE_NUMERIC, aEvaluated.getCellType());
    assertEquals(0.00001, 4711, aEvaluated.getNumberValue());

    // =TRUE
    aCell = aSheet1.getRow(6).getCell(2);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_FORMULA, aCell.getCellType());
    assertEquals("TRUE", aCell.getCellFormula());
    assertTrue(aCell.getBooleanCellValue());
    aEvaluated = new ExcelFormulaEvaluator(aWB, IStabilityClassifier.TOTALLY_IMMUTABLE).evaluate(aCell);
    assertEquals(Cell.CELL_TYPE_BOOLEAN, aEvaluated.getCellType());
    assertTrue(aEvaluated.getBooleanValue());

    // Refers to cell at 6/2
    aCell = aSheet1.getRow(7).getCell(3);
    assertNotNull(aCell);
    assertEquals(Cell.CELL_TYPE_FORMULA, aCell.getCellType());
    assertEquals("C7", aCell.getCellFormula());
    assertTrue(aCell.getBooleanCellValue());
    aEvaluated = new ExcelFormulaEvaluator(aWB, IStabilityClassifier.TOTALLY_IMMUTABLE).evaluate(aCell);
    assertEquals(Cell.CELL_TYPE_BOOLEAN, aEvaluated.getCellType());
    assertTrue(aEvaluated.getBooleanValue());
}

From source file:de.enerko.reports2.engine.Report.java

License:Apache License

public List<CellDefinition> evaluateWorkbook() {
    final List<CellDefinition> rv = new ArrayList<CellDefinition>();

    boolean reevaluate = false;
    if (workbook instanceof HSSFWorkbook) {
        try {/*from   w  w  w. j  a v  a  2 s  .  co m*/
            workbook.getCreationHelper().createFormulaEvaluator().evaluateAll();
        } catch (Exception e) {
            reevaluate = true;
        }
    }

    final FormulaEvaluator formulaEvaluator = new HSSFFormulaEvaluator((HSSFWorkbook) workbook,
            IStabilityClassifier.TOTALLY_IMMUTABLE);
    formulaEvaluator.clearAllCachedResultValues();

    for (int i = 0; i < workbook.getNumberOfSheets(); ++i) {
        final Sheet sheet = workbook.getSheetAt(i);
        for (Row row : sheet) {
            for (Cell cell : row) {
                if (reevaluate && cell.getCellType() == Cell.CELL_TYPE_FORMULA) {
                    try {
                        formulaEvaluator.evaluateFormulaCell(cell);
                    } catch (Exception e) {
                        ReportEngine.logger.log(Level.WARNING,
                                String.format("Could not evaluate formula '%s' in cell %s on sheet '%s': %s",
                                        cell.getCellFormula(), CellReferenceHelper
                                                .getCellReference(cell.getColumnIndex(), row.getRowNum()),
                                        sheet.getSheetName(), e.getMessage()));
                    }
                }

                final CellDefinition cellDefinition = IMPORTABLE_CELL_TYPES.containsKey(
                        new Integer(cell.getCellType())) ? new CellDefinition(sheet.getSheetName(), cell)
                                : null;
                if (cellDefinition != null)
                    rv.add(cellDefinition);
            }
        }
    }

    return rv;
}