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Switched Cell.value from Object to Serializable.

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git-svn-id: http://google-refine.googlecode.com/svn/trunk@201 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-03-04 19:59:31 +00:00
parent 3e0ac50e17
commit 9d8b746121
8 changed files with 55 additions and 25 deletions
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9
src/main/java/com/metaweb/gridworks/commands/util/PreviewExpressionCommand.java
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@ -1,6 +1,7 @@
package com.metaweb.gridworks.commands.util;
import java.io.IOException;
import java.io.Serializable;
import java.util.Properties;
import javax.servlet.ServletException;
@ -78,8 +79,8 @@ public class PreviewExpressionCommand extends Command {
result = eval.evaluate(bindings);
if (repeat) {
for (int r = 0; r < repeatCount; r++) {
Cell newCell = new Cell(result, (cell != null) ? cell.recon : null);
for (int r = 0; r < repeatCount && ExpressionUtils.isStorable(result); r++) {
Cell newCell = new Cell((Serializable) result, (cell != null) ? cell.recon : null);
ExpressionUtils.bind(bindings, row, rowIndex, newCell);
Object newResult = eval.evaluate(bindings);
@ -87,9 +88,9 @@ public class PreviewExpressionCommand extends Command {
break;
} else if (ExpressionUtils.sameValue(result, newResult)) {
break;
} else {
result = newResult;
}
result = newResult;
}
}
} catch (Exception e) {

19
src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java
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@ -1,5 +1,8 @@
package com.metaweb.gridworks.expr;
import java.io.Serializable;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import com.metaweb.gridworks.model.Cell;
@ -67,4 +70,20 @@ public class ExpressionUtils {
return v1.equals(v2);
}
}
static public boolean isStorable(Object v) {
return v == null ||
v instanceof Number ||
v instanceof String ||
v instanceof Boolean ||
v instanceof Date ||
v instanceof Calendar ||
v instanceof EvalError;
}
static public Serializable wrapStorable(Object v) {
return isStorable(v) ?
(Serializable) v :
new EvalError(v.getClass().getSimpleName() + " value not storable");
}
}

3
src/main/java/com/metaweb/gridworks/importers/ExcelImporter.java
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@ -2,6 +2,7 @@ package com.metaweb.gridworks.importers;
import java.io.InputStream;
import java.io.Reader;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
@ -131,7 +132,7 @@ public class ExcelImporter implements Importer {
cellType = cell.getCachedFormulaResultType();
}
Object value = null;
Serializable value = null;
if (cellType == org.apache.poi.ss.usermodel.Cell.CELL_TYPE_BOOLEAN) {
value = cell.getBooleanCellValue();
} else if (cellType == org.apache.poi.ss.usermodel.Cell.CELL_TYPE_NUMERIC) {

8
src/main/java/com/metaweb/gridworks/importers/ImporterUtilities.java
View File

@ -1,12 +1,14 @@
package com.metaweb.gridworks.importers;
import java.io.Serializable;
import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Row;
public class ImporterUtilities {
static public Object parseCellValue(String text) {
static public Serializable parseCellValue(String text) {
if (text.length() > 0) {
if (text.length() > 1 && text.startsWith("\"") && text.endsWith("\"")) {
return text.substring(1, text.length() - 1);
@ -52,7 +54,7 @@ public class ImporterUtilities {
}
}
Object value = parseCellValue(text);
Serializable value = parseCellValue(text);
if (ExpressionUtils.isNonBlankData(value)) {
row.cells.add(new Cell(value, null));
hasData = true;
@ -71,7 +73,7 @@ public class ImporterUtilities {
for (int c = 0; c < cells.length; c++) {
String text = cells[c];
Object value = parseCellValue(text);
Serializable value = parseCellValue(text);
if (ExpressionUtils.isNonBlankData(value)) {
row.cells.add(new Cell(value, null));
hasData = true;

6
src/main/java/com/metaweb/gridworks/model/Cell.java
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@ -14,10 +14,10 @@ import com.metaweb.gridworks.expr.HasFields;
public class Cell implements Serializable, HasFields, Jsonizable {
private static final long serialVersionUID = -5891067829205458102L;
final public Object value;
final public Recon recon;
final public Serializable value;
final public Recon recon;
public Cell(Object value, Recon recon) {
public Cell(Serializable value, Recon recon) {
this.value = value;
this.recon = recon;
}

3
src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
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@ -1,5 +1,6 @@
package com.metaweb.gridworks.operations;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;
@ -140,7 +141,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
ExpressionUtils.bind(bindings, row, rowIndex, cell);
Object v = eval.evaluate(bindings);
Serializable v = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(v)) {
if (_onError == OnError.SetToBlank) {
return false;

27
src/main/java/com/metaweb/gridworks/operations/FacetBasedEditOperation.java
View File

@ -34,9 +34,9 @@ public class FacetBasedEditOperation extends EngineDependentMassCellOperation {
private static final long serialVersionUID = -4799990738910328002L;
final public List<String> from;
final public Object to;
final public Serializable to;
public Edit(List<String> from, Object to) {
public Edit(List<String> from, Serializable to) {
this.from = from;
this.to = to;
}
@ -82,7 +82,7 @@ public class FacetBasedEditOperation extends EngineDependentMassCellOperation {
from.add(fromA.getString(j));
}
edits.add(new Edit(from, editO.get("to")));
edits.add(new Edit(from, editO.getString("to")));
}
return edits;
@ -129,7 +129,7 @@ public class FacetBasedEditOperation extends EngineDependentMassCellOperation {
Evaluable eval = MetaParser.parse(_expression);
Properties bindings = ExpressionUtils.createBindings(project);
Map<String, Object> fromTo = new HashMap<String, Object>();
Map<String, Serializable> fromTo = new HashMap<String, Serializable>();
for (Edit edit : _edits) {
for (String s : edit.from) {
fromTo.put(s, edit.to);
@ -137,14 +137,19 @@ public class FacetBasedEditOperation extends EngineDependentMassCellOperation {
}
return new RowVisitor() {
int cellIndex;
Properties bindings;
List<CellChange> cellChanges;
Evaluable eval;
Map<String, Object> fromTo;
int cellIndex;
Properties bindings;
List<CellChange> cellChanges;
Evaluable eval;
Map<String, Serializable> fromTo;
public RowVisitor init(
int cellIndex, Properties bindings, List<CellChange> cellChanges, Evaluable eval, Map<String, Object> fromTo) {
int cellIndex,
Properties bindings,
List<CellChange> cellChanges,
Evaluable eval,
Map<String, Serializable> fromTo
) {
this.cellIndex = cellIndex;
this.bindings = bindings;
this.cellChanges = cellChanges;
@ -161,7 +166,7 @@ public class FacetBasedEditOperation extends EngineDependentMassCellOperation {
Object v = eval.evaluate(bindings);
if (v != null) {
String from = v.toString();
Object to = fromTo.get(from);
Serializable to = fromTo.get(from);
if (to != null) {
Cell newCell = new Cell(to, (cell != null) ? cell.recon : null);
CellChange cellChange = new CellChange(rowIndex, cellIndex, cell, newCell);

5
src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
View File

@ -1,5 +1,6 @@
package com.metaweb.gridworks.operations;
import java.io.Serializable;
import java.util.List;
import java.util.Properties;
@ -125,7 +126,7 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
ExpressionUtils.bind(bindings, row, rowIndex, cell);
Object newValue = eval.evaluate(bindings);
Serializable newValue = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(newValue)) {
if (_onError == OnError.KeepOriginal) {
return false;
@ -141,7 +142,7 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
for (int i = 0; i < _repeatCount; i++) {
ExpressionUtils.bind(bindings, row, rowIndex, newCell);
newValue = eval.evaluate(bindings);
newValue = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(newValue)) {
break;
} else if (ExpressionUtils.sameValue(newCell.value, newValue)) {