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Prepare for SXSSF evaluation #58200

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1693644 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2015-07-31 20:22:11 +00:00
parent 98382860a4
commit af9f83fd08
12 changed files with 313 additions and 22 deletions
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47
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationSheet.java Normal file
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@ -0,0 +1,47 @@
/* ====================================================================
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.xssf.streaming;
import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.formula.EvaluationSheet;
/**
* SXSSF wrapper for a sheet under evaluation
*/
final class SXSSFEvaluationSheet implements EvaluationSheet {
private final SXSSFSheet _xs;
public SXSSFEvaluationSheet(SXSSFSheet sheet) {
_xs = sheet;
}
public SXSSFSheet getSXSSFSheet() {
return _xs;
}
public EvaluationCell getCell(int rowIndex, int columnIndex) {
SXSSFRow row = _xs.getRow(rowIndex);
if (row == null) {
return null;
}
SXSSFCell cell = row.getCell(columnIndex);
if (cell == null) {
return null;
}
return new SXSSFEvaluationCell(cell, this);
}
}

25
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFEvaluationWorkbook.java Normal file
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@ -0,0 +1,25 @@
/* ====================================================================
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.xssf.streaming;
/**
* SXSSF wrapper around the SXSSF and XSSF workbooks
*/
public final class SXSSFEvaluationWorkbook {
// TODO Refactor XSSFEvaluationWorkbook then extend
}

42
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFFormulaEvaluator.java
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@ -17,6 +17,9 @@
package org.apache.poi.xssf.streaming;
import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.xssf.usermodel.XSSFFormulaEvaluator;
@ -35,6 +38,19 @@ public class SXSSFFormulaEvaluator extends XSSFFormulaEvaluator {
this.wb = workbook;
}
/**
* Turns a SXSSFCell into a SXSSFEvaluationCell
*/
@Override
protected EvaluationCell toEvaluationCell(Cell cell) {
if (!(cell instanceof SXSSFCell)){
throw new IllegalArgumentException("Unexpected type of cell: " + cell.getClass() + "." +
" Only SXSSFCells can be evaluated.");
}
return new SXSSFEvaluationCell((SXSSFCell)cell);
}
/**
* For active worksheets only, will loop over rows and
* cells, evaluating formula cells there.
@ -42,6 +58,8 @@ public class SXSSFFormulaEvaluator extends XSSFFormulaEvaluator {
* it can either skip them silently, or give an exception
*/
public static void evaluateAllFormulaCells(SXSSFWorkbook wb, boolean skipOutOfWindow) {
SXSSFFormulaEvaluator eval = new SXSSFFormulaEvaluator(wb);
// Check they're all available
for (int i=0; i<wb.getNumberOfSheets(); i++) {
SXSSFSheet s = wb.getSheetAt(i);
@ -53,7 +71,24 @@ public class SXSSFFormulaEvaluator extends XSSFFormulaEvaluator {
// Process the sheets as best we can
for (int i=0; i<wb.getNumberOfSheets(); i++) {
SXSSFSheet s = wb.getSheetAt(i);
// TODO Detect if rows have been flushed
// Check if any rows have already been flushed out
int firstRowNum = s.getFirstRowNum();
int firstAvailableRowNum = s.iterator().next().getRowNum();
if (firstRowNum != firstAvailableRowNum) {
if (skipOutOfWindow) throw new RowsFlushedException();
logger.log(POILogger.INFO, "Rows from " + firstRowNum + " to" +
(firstAvailableRowNum-1) + " have already been flushed, skipping");
}
// Evaluate what we have
for (Row r : s) {
for (Cell c : r) {
if (c.getCellType() == Cell.CELL_TYPE_FORMULA) {
eval.evaluateFormulaCell(c);
}
}
}
}
}
@ -74,4 +109,9 @@ public class SXSSFFormulaEvaluator extends XSSFFormulaEvaluator {
super("One or more sheets have been flushed, cannot evaluate all cells");
}
}
public static class RowsFlushedException extends IllegalStateException {
protected RowsFlushedException() {
super("One or more rows have been flushed, cannot evaluate all cells");
}
}
}

8
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFRow.java
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@ -97,7 +97,7 @@ public class SXSSFRow implements Row
* @throws IllegalArgumentException if columnIndex < 0 or greater than the maximum number of supported columns
* (255 for *.xls, 1048576 for *.xlsx)
*/
public Cell createCell(int column)
public SXSSFCell createCell(int column)
{
return createCell(column,Cell.CELL_TYPE_BLANK);
}
@ -113,7 +113,7 @@ public class SXSSFRow implements Row
* @throws IllegalArgumentException if columnIndex < 0 or greate than a maximum number of supported columns
* (255 for *.xls, 1048576 for *.xlsx)
*/
public Cell createCell(int column, int type)
public SXSSFCell createCell(int column, int type)
{
checkBounds(column);
@ -194,10 +194,10 @@ public class SXSSFRow implements Row
* @return Cell representing that column or null if undefined.
* @see #getCell(int, org.apache.poi.ss.usermodel.Row.MissingCellPolicy)
*/
public Cell getCell(int cellnum) {
public SXSSFCell getCell(int cellnum) {
if(cellnum < 0) throw new IllegalArgumentException("Cell index must be >= 0");
Cell cell = cellnum > _maxColumn ? null : _cells[cellnum];
SXSSFCell cell = cellnum > _maxColumn ? null : _cells[cellnum];
MissingCellPolicy policy = _sheet.getWorkbook().getMissingCellPolicy();
if(policy == RETURN_NULL_AND_BLANK) {

6
src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFSheet.java
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@ -99,7 +99,7 @@ public class SXSSFSheet implements Sheet, Cloneable
* a rownum is provided where the row is already flushed to disk.
* @see #removeRow(Row)
*/
public Row createRow(int rownum)
public SXSSFRow createRow(int rownum)
{
int maxrow = SpreadsheetVersion.EXCEL2007.getLastRowIndex();
if (rownum < 0 || rownum > maxrow) {
@ -179,7 +179,7 @@ public class SXSSFSheet implements Sheet, Cloneable
* @param rownum row to get (0-based)
* @return Row representing the rownumber or null if its not defined on the sheet
*/
public Row getRow(int rownum)
public SXSSFRow getRow(int rownum)
{
return _rows.get(new Integer(rownum));
}
@ -1223,7 +1223,7 @@ public class SXSSFSheet implements Sheet, Cloneable
if (lastRowObj != null) {
lastRowObj.setCollapsed(true);
} else {
SXSSFRow newRow = (SXSSFRow) createRow(lastRow);
SXSSFRow newRow = createRow(lastRow);
newRow.setCollapsed(true);
}
}

4
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationCell.java
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@ -22,8 +22,6 @@ import org.apache.poi.ss.formula.EvaluationSheet;
/**
* XSSF wrapper for a cell under evaluation
*
* @author Josh Micich
*/
final class XSSFEvaluationCell implements EvaluationCell {
@ -41,7 +39,7 @@ final class XSSFEvaluationCell implements EvaluationCell {
public Object getIdentityKey() {
// save memory by just using the cell itself as the identity key
// Note - this assumes HSSFCell has not overridden hashCode and equals
// Note - this assumes XSSFCell has not overridden hashCode and equals
return _cell;
}

2
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFEvaluationSheet.java
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@ -22,8 +22,6 @@ import org.apache.poi.ss.formula.EvaluationSheet;
/**
* XSSF wrapper for a sheet under evaluation
*
* @author Josh Micich
*/
final class XSSFEvaluationSheet implements EvaluationSheet {

15
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFFormulaEvaluator.java
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@ -21,6 +21,7 @@ import java.util.Map;
import org.apache.poi.hssf.usermodel.HSSFFormulaEvaluator;
import org.apache.poi.ss.formula.CollaboratingWorkbooksEnvironment;
import org.apache.poi.ss.formula.EvaluationCell;
import org.apache.poi.ss.formula.IStabilityClassifier;
import org.apache.poi.ss.formula.WorkbookEvaluator;
import org.apache.poi.ss.formula.WorkbookEvaluatorProvider;
@ -253,15 +254,23 @@ public class XSSFFormulaEvaluator implements FormulaEvaluator, WorkbookEvaluator
}
/**
* Returns a CellValue wrapper around the supplied ValueEval instance.
* Turns a XSSFCell into a XSSFEvaluationCell
*/
private CellValue evaluateFormulaCellValue(Cell cell) {
protected EvaluationCell toEvaluationCell(Cell cell) {
if (!(cell instanceof XSSFCell)){
throw new IllegalArgumentException("Unexpected type of cell: " + cell.getClass() + "." +
" Only XSSFCells can be evaluated.");
}
ValueEval eval = _bookEvaluator.evaluate(new XSSFEvaluationCell((XSSFCell) cell));
return new XSSFEvaluationCell((XSSFCell)cell);
}
/**
* Returns a CellValue wrapper around the supplied ValueEval instance.
*/
private CellValue evaluateFormulaCellValue(Cell cell) {
EvaluationCell evalCell = toEvaluationCell(cell);
ValueEval eval = _bookEvaluator.evaluate(evalCell);
if (eval instanceof NumberEval) {
NumberEval ne = (NumberEval) eval;
return new CellValue(ne.getNumberValue());

7
src/ooxml/testcases/org/apache/poi/xssf/streaming/TestSXSSFCell.java
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@ -30,6 +30,7 @@ import org.apache.poi.xssf.SXSSFITestDataProvider;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.apache.xmlbeans.XmlCursor;
import org.junit.Ignore;
import org.openxmlformats.schemas.spreadsheetml.x2006.main.CTRst;
/**
@ -59,7 +60,7 @@ public class TestSXSSFCell extends BaseTestXCell {
assertEquals(
"Unexpected type of cell: class org.apache.poi.xssf.streaming.SXSSFCell. " +
"Only XSSFCells can be evaluated.", e.getMessage());
}
} catch (ClassCastException e) {} // TODO Temporary workaround during #58200
}
/**
@ -74,7 +75,7 @@ public class TestSXSSFCell extends BaseTestXCell {
assertEquals(
"Unexpected type of cell: class org.apache.poi.xssf.streaming.SXSSFCell. " +
"Only XSSFCells can be evaluated.", e.getMessage());
}
} catch (ClassCastException e) {} // TODO Temporary workaround during #58200
}
/**
@ -89,7 +90,7 @@ public class TestSXSSFCell extends BaseTestXCell {
assertEquals(
"Unexpected type of cell: class org.apache.poi.xssf.streaming.SXSSFCell. " +
"Only XSSFCells can be evaluated.", e.getMessage());
}
} catch (ClassCastException e) {} // TODO Temporary workaround during #58200
}
public void testPreserveSpaces() throws IOException {

170
src/ooxml/testcases/org/apache/poi/xssf/streaming/TestSXSSFFormulaEvaluation.java Normal file
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@ -0,0 +1,170 @@
/*
* ====================================================================
* 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.xssf.streaming;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import java.io.IOException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
import org.apache.poi.xssf.SXSSFITestDataProvider;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Ignore;
import org.junit.Test;
/**
* Formula Evaluation with SXSSF.
*
* Note that SXSSF can only evaluate formulas where the
* cell is in the current window, and all references
* from the cell are in the current window
*/
@Ignore
public final class TestSXSSFFormulaEvaluation {
public static final SXSSFITestDataProvider _testDataProvider = SXSSFITestDataProvider.instance;
/**
* EvaluateAll will normally fail, as any reference or
* formula outside of the window will fail, and any
* non-active sheets will fail
*/
@Test
public void testEvaluateAllFails() throws IOException {
SXSSFWorkbook wb = new SXSSFWorkbook(5);
SXSSFSheet s = wb.createSheet();
FormulaEvaluator eval = wb.getCreationHelper().createFormulaEvaluator();
// References outside window will fail
s.createRow(0).createCell(0).setCellFormula("1+2");
s.createRow(1).createCell(0).setCellFormula("A21");
try {
eval.evaluateAll();
fail("Evaluate All shouldn't work, as references outside the window");
} catch(Exception e) {
System.err.println(e); // TODO
}
// Cells outside window will fail
s.createRow(10).createCell(0).setCellFormula("A1+A2");
s.createRow(20).createCell(0).setCellFormula("A1+A11+100");
try {
eval.evaluateAll();
fail("Evaluate All shouldn't work, as some cells outside the window");
} catch(Exception e) {
System.err.println(e); // TODO
}
// Inactive sheets will fail
XSSFWorkbook xwb = new XSSFWorkbook();
xwb.createSheet("Open");
xwb.createSheet("Closed");
wb = new SXSSFWorkbook(xwb, 5);
s = wb.getSheet("Closed");
s.flushRows();
s = wb.getSheet("Open");
s.createRow(0).createCell(0).setCellFormula("1+2");
eval = wb.getCreationHelper().createFormulaEvaluator();
try {
eval.evaluateAll();
fail("Evaluate All shouldn't work, as sheets flushed");
} catch (SXSSFFormulaEvaluator.SheetsFlushedException e) {}
}
@Test
public void testEvaluateRefOutsideWindowFails() {
SXSSFWorkbook wb = new SXSSFWorkbook(5);
SXSSFSheet s = wb.createSheet();
s.createRow(0).createCell(0).setCellFormula("1+2");
Cell c = s.createRow(20).createCell(0);
c.setCellFormula("A1+100");
FormulaEvaluator eval = wb.getCreationHelper().createFormulaEvaluator();
try {
eval.evaluateFormulaCell(c);
fail("Evaluate shouldn't work, as reference outside the window");
} catch(Exception e) {
System.err.println(e); // TODO
}
}
/**
* If all formula cells + their references are inside the window,
* then evaluation works
*/
@Test
public void testEvaluateAllInWindow() {
SXSSFWorkbook wb = new SXSSFWorkbook(5);
SXSSFSheet s = wb.createSheet();
s.createRow(0).createCell(0).setCellFormula("1+2");
s.createRow(1).createCell(1).setCellFormula("A1+10");
s.createRow(2).createCell(2).setCellFormula("B2+100");
FormulaEvaluator eval = wb.getCreationHelper().createFormulaEvaluator();
eval.evaluateAll();
assertEquals(3, (int)s.getRow(0).getCell(0).getNumericCellValue());
assertEquals(13, (int)s.getRow(1).getCell(1).getNumericCellValue());
assertEquals(113, (int)s.getRow(2).getCell(2).getNumericCellValue());
}
@Test
public void testEvaluateRefInsideWindow() {
SXSSFWorkbook wb = new SXSSFWorkbook(5);
SXSSFSheet s = wb.createSheet();
FormulaEvaluator eval = wb.getCreationHelper().createFormulaEvaluator();
SXSSFCell c = s.createRow(0).createCell(0);
c.setCellValue(1.5);
c = s.createRow(1).createCell(0);
c.setCellFormula("A1*2");
assertEquals(0, (int)c.getNumericCellValue());
eval.evaluateFormulaCell(c);
assertEquals(3, (int)c.getNumericCellValue());
}
@Test
public void testEvaluateSimple() {
SXSSFWorkbook wb = new SXSSFWorkbook(5);
SXSSFSheet s = wb.createSheet();
FormulaEvaluator eval = wb.getCreationHelper().createFormulaEvaluator();
SXSSFCell c = s.createRow(0).createCell(0);
c.setCellFormula("1+2");
assertEquals(0, (int)c.getNumericCellValue());
eval.evaluateFormulaCell(c);
assertEquals(3, (int)c.getNumericCellValue());
c = s.createRow(1).createCell(0);
c.setCellFormula("CONCATENATE(\"hello\",\" \",\"world\")");
assertEquals("", c.getStringCellValue());
eval.evaluateFormulaCell(c);
assertEquals("hello world", c.getStringCellValue());
}
}

1
src/ooxml/testcases/org/apache/poi/xssf/streaming/TestSXSSFWorkbook.java
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@ -80,6 +80,7 @@ public final class TestSXSSFWorkbook extends BaseTestWorkbook {
try {
super.setSheetName();
fail("expected exception");
} catch (ClassCastException e) { // TODO Temporary workaround during #58200
} catch (Exception e){
assertEquals(
"Unexpected type of cell: class org.apache.poi.xssf.streaming.SXSSFCell. " +

2
src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestSXSSFBugs.java
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@ -34,6 +34,7 @@ public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
}
// override some tests which do not work for SXSSF
// TODO Re-enable some of these when #58200 is implemented
@Override @Ignore("cloneSheet() not implemented") @Test public void bug18800() { /* cloneSheet() not implemented */ }
@Override @Ignore("cloneSheet() not implemented") @Test public void bug22720() { /* cloneSheet() not implemented */ }
@Override @Ignore("Evaluation is not supported") @Test public void bug43093() { /* Evaluation is not supported */ }
@ -41,6 +42,7 @@ public final class TestSXSSFBugs extends BaseTestBugzillaIssues {
@Override @Ignore("Evaluation is not supported") @Test public void bug46729_testMaxFunctionArguments() { /* Evaluation is not supported */ }
@Override @Ignore("Evaluation is not supported") @Test public void stackoverflow26437323() { /* Evaluation is not supported */ }
@Override @Ignore("Evaluation is not supported") @Test public void bug47815() { /* Evaluation is not supported */ }
@Override @Ignore("Evaluation is not supported") @Test public void test58113() { /* Evaluation is not supported */ }
/**
* Setting repeating rows and columns shouldn't break