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Patch from Detlef Brendle from bug #55873 - Support for COUNTIFS function

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1560736 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2014-01-23 16:43:59 +00:00
parent c1963d6e60
commit d2687261e3
3 changed files with 123 additions and 0 deletions
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1
src/java/org/apache/poi/ss/formula/atp/AnalysisToolPak.java
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@ -164,6 +164,7 @@ public final class AnalysisToolPak implements UDFFinder {
r(m, "YIELD", null);
r(m, "YIELDDISC", null);
r(m, "YIELDMAT", null);
r(m, "COUNTIFS", Countifs.instance);
return m;
}

56
src/java/org/apache/poi/ss/formula/functions/Countifs.java Normal file
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@ -0,0 +1,56 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.ss.formula.functions;
import org.apache.poi.ss.formula.OperationEvaluationContext;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.formula.eval.NumberEval;
import org.apache.poi.ss.formula.eval.ValueEval;
/**
* Implementation for the function COUNTIFS
* <p>
* Syntax: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2])
* </p>
*/
public class Countifs implements FreeRefFunction {
public static final FreeRefFunction instance = new Countifs();
@Override
public ValueEval evaluate(ValueEval[] args, OperationEvaluationContext ec) {
Double result = null;
if (args.length == 0 || args.length % 2 > 0) {
return ErrorEval.VALUE_INVALID;
}
for (int i = 0; i < args.length; ) {
ValueEval firstArg = args[i];
ValueEval secondArg = args[i + 1];
i += 2;
NumberEval evaluate = (NumberEval) new Countif().evaluate(new ValueEval[]{firstArg, secondArg}, ec.getRowIndex(), ec.getColumnIndex());
if (result == null) {
result = evaluate.getNumberValue();
} else if (evaluate.getNumberValue() < result) {
result = evaluate.getNumberValue();
}
}
return new NumberEval(result == null ? 0 : result);
}
}

66
src/testcases/org/apache/poi/ss/formula/functions/CountifsTests.java Normal file
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@ -0,0 +1,66 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.ss.formula.functions;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.formula.atp.AnalysisToolPak;
import org.apache.poi.ss.usermodel.*;
public class CountifsTests extends TestCase {
public void testCallFunction() {
HSSFWorkbook workbook = new HSSFWorkbook();
Sheet sheet = workbook.createSheet("test");
Row row1 = sheet.createRow(0);
Cell cellA1 = row1.createCell(0, Cell.CELL_TYPE_FORMULA);
Cell cellB1 = row1.createCell(1, Cell.CELL_TYPE_NUMERIC);
Cell cellC1 = row1.createCell(2, Cell.CELL_TYPE_NUMERIC);
Cell cellD1 = row1.createCell(3, Cell.CELL_TYPE_NUMERIC);
Cell cellE1 = row1.createCell(4, Cell.CELL_TYPE_NUMERIC);
cellB1.setCellValue(1);
cellC1.setCellValue(1);
cellD1.setCellValue(2);
cellE1.setCellValue(4);
cellA1.setCellFormula("COUNTIFS(B1:C1,1, D1:E1,2)");
FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
CellValue evaluate = evaluator.evaluate(cellA1);
assertEquals(1.0d, evaluate.getNumberValue());
}
public void testCallFunction_invalidArgs() {
HSSFWorkbook workbook = new HSSFWorkbook();
Sheet sheet = workbook.createSheet("test");
Row row1 = sheet.createRow(0);
Cell cellA1 = row1.createCell(0, Cell.CELL_TYPE_FORMULA);
cellA1.setCellFormula("COUNTIFS()");
FormulaEvaluator evaluator = workbook.getCreationHelper().createFormulaEvaluator();
CellValue evaluate = evaluator.evaluate(cellA1);
assertEquals(15, evaluate.getErrorValue());
cellA1.setCellFormula("COUNTIFS(A1:C1)");
evaluator = workbook.getCreationHelper().createFormulaEvaluator();
evaluate = evaluator.evaluate(cellA1);
assertEquals(15, evaluate.getErrorValue());
cellA1.setCellFormula("COUNTIFS(A1:C1,2,2)");
evaluator = workbook.getCreationHelper().createFormulaEvaluator();
evaluate = evaluator.evaluate(cellA1);
assertEquals(15, evaluate.getErrorValue());
}
}