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Implemented inter-project joins.

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git-svn-id: http://google-refine.googlecode.com/svn/trunk@387 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-04-06 05:35:48 +00:00
parent e2d92aa0b1
commit f402db10af
29 changed files with 564 additions and 156 deletions
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132
src/main/java/com/metaweb/gridworks/InterProjectModel.java Normal file
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@ -0,0 +1,132 @@
package com.metaweb.gridworks;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.expr.HasFieldsListImpl;
import com.metaweb.gridworks.expr.WrappedRow;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
public class InterProjectModel {
static public class ProjectJoin {
final public long fromProjectID;
final public String fromProjectColumnName;
final public long toProjectID;
final public String toProjectColumnName;
final public Map<Object, List<Integer>> valueToRowIndices =
new HashMap<Object, List<Integer>>();
ProjectJoin(
long fromProjectID,
String fromProjectColumnName,
long toProjectID,
String toProjectColumnName
) {
this.fromProjectID = fromProjectID;
this.fromProjectColumnName = fromProjectColumnName;
this.toProjectID = toProjectID;
this.toProjectColumnName = toProjectColumnName;
}
public HasFieldsListImpl getRows(Object value) {
if (ExpressionUtils.isNonBlankData(value) && valueToRowIndices.containsKey(value)) {
Project toProject = ProjectManager.singleton.getProject(toProjectID);
if (toProject != null) {
HasFieldsListImpl rows = new HasFieldsListImpl();
for (Integer r : valueToRowIndices.get(value)) {
Row row = toProject.rows.get(r);
rows.add(new WrappedRow(toProject, r, row));
}
return rows;
}
}
return null;
}
}
protected Map<String, ProjectJoin> _joins = new HashMap<String, ProjectJoin>();
public ProjectJoin getJoin(String fromProject, String fromColumn, String toProject, String toColumn) {
String key = fromProject + ";" + fromColumn + ";" + toProject + ";" + toColumn;
if (!_joins.containsKey(key)) {
ProjectJoin join = new ProjectJoin(
ProjectManager.singleton.getProjectID(fromProject),
fromColumn,
ProjectManager.singleton.getProjectID(toProject),
toColumn
);
computeJoin(join);
_joins.put(key, join);
}
return _joins.get(key);
}
public void flushJoinsInvolvingProject(long projectID) {
for (Entry<String, ProjectJoin> entry : _joins.entrySet()) {
ProjectJoin join = entry.getValue();
if (join.fromProjectID == projectID || join.toProjectID == projectID) {
_joins.remove(entry.getKey());
}
}
}
public void flushJoinsInvolvingProjectColumn(long projectID, String columnName) {
for (Entry<String, ProjectJoin> entry : _joins.entrySet()) {
ProjectJoin join = entry.getValue();
if (join.fromProjectID == projectID && join.fromProjectColumnName.equals(columnName) ||
join.toProjectID == projectID && join.toProjectColumnName.equals(columnName)) {
_joins.remove(entry.getKey());
}
}
}
protected void computeJoin(ProjectJoin join) {
if (join.fromProjectID < 0 || join.toProjectID < 0) {
return;
}
Project fromProject = ProjectManager.singleton.getProject(join.fromProjectID);
Project toProject = ProjectManager.singleton.getProject(join.toProjectID);
if (fromProject == null || toProject == null) {
return;
}
Column fromColumn = fromProject.columnModel.getColumnByName(join.fromProjectColumnName);
Column toColumn = toProject.columnModel.getColumnByName(join.toProjectColumnName);
if (fromColumn == null || toColumn == null) {
return;
}
for (Row fromRow : fromProject.rows) {
Object value = fromRow.getCellValue(fromColumn.getCellIndex());
if (ExpressionUtils.isNonBlankData(value)) {
if (!join.valueToRowIndices.containsKey(value)) {
join.valueToRowIndices.put(value, new ArrayList<Integer>());
}
}
}
int count = toProject.rows.size();
for (int r = 0; r < count; r++) {
Row toRow = toProject.rows.get(r);
Object value = toRow.getCellValue(toColumn.getCellIndex());
if (ExpressionUtils.isNonBlankData(value)) {
if (join.valueToRowIndices.containsKey(value)) {
join.valueToRowIndices.get(value).add(r);
}
}
}
}
}

28
src/main/java/com/metaweb/gridworks/ProjectManager.java
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@ -12,6 +12,7 @@ import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.json.JSONArray;
import org.json.JSONException;
@ -41,6 +42,11 @@ public class ProjectManager {
*/
transient protected Map<Long, Project> _projects;
/**
* What caches the joins between projects.
*/
transient protected InterProjectModel _interProjectModel = new InterProjectModel();
static public ProjectManager singleton;
static public synchronized void initialize() {
@ -137,6 +143,10 @@ public class ProjectManager {
load();
}
public InterProjectModel getInterProjectModel() {
return _interProjectModel;
}
public File getWorkspaceDir() {
return _workspaceDir;
}
@ -208,6 +218,24 @@ public class ProjectManager {
return _projectsMetadata.get(id);
}
public ProjectMetadata getProjectMetadata(String name) {
for (ProjectMetadata pm : _projectsMetadata.values()) {
if (pm.getName().equals(name)) {
return pm;
}
}
return null;
}
public long getProjectID(String name) {
for (Entry<Long, ProjectMetadata> entry : _projectsMetadata.entrySet()) {
if (entry.getValue().getName().equals(name)) {
return entry.getKey();
}
}
return -1;
}
public Map<Long, ProjectMetadata> getAllProjectMetadata() {
return _projectsMetadata;
}

6
src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNominalRowGrouper.java
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@ -22,6 +22,7 @@ public class ExpressionNominalRowGrouper implements RowVisitor {
* Configuration
*/
final protected Evaluable _evaluable;
final protected String _columnName;
final protected int _cellIndex;
/*
@ -31,8 +32,9 @@ public class ExpressionNominalRowGrouper implements RowVisitor {
public int blankCount = 0;
public int errorCount = 0;
public ExpressionNominalRowGrouper(Evaluable evaluable, int cellIndex) {
public ExpressionNominalRowGrouper(Evaluable evaluable, String columnName, int cellIndex) {
_evaluable = evaluable;
_columnName = columnName;
_cellIndex = cellIndex;
}
@ -40,7 +42,7 @@ public class ExpressionNominalRowGrouper implements RowVisitor {
Cell cell = _cellIndex < 0 ? null : row.getCell(_cellIndex);
Properties bindings = ExpressionUtils.createBindings(project);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object value = _evaluable.evaluate(bindings);
if (value != null) {

6
src/main/java/com/metaweb/gridworks/browsing/facets/ExpressionNumericRowBinner.java
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@ -19,6 +19,7 @@ public class ExpressionNumericRowBinner implements RowVisitor {
* Configuration
*/
final protected Evaluable _evaluable;
final protected String _columnName;
final protected int _cellIndex;
final protected NumericBinIndex _index; // base bins
@ -31,8 +32,9 @@ public class ExpressionNumericRowBinner implements RowVisitor {
public int blankCount;
public int errorCount;
public ExpressionNumericRowBinner(Evaluable evaluable, int cellIndex, NumericBinIndex index) {
public ExpressionNumericRowBinner(Evaluable evaluable, String columnName, int cellIndex, NumericBinIndex index) {
_evaluable = evaluable;
_columnName = columnName;
_cellIndex = cellIndex;
_index = index;
bins = new int[_index.getBins().length];
@ -42,7 +44,7 @@ public class ExpressionNumericRowBinner implements RowVisitor {
Cell cell = row.getCell(_cellIndex);
Properties bindings = ExpressionUtils.createBindings(project);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object value = _evaluable.evaluate(bindings);
if (value != null) {

3
src/main/java/com/metaweb/gridworks/browsing/facets/ListFacet.java
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@ -146,6 +146,7 @@ public class ListFacet implements Facet {
null :
new ExpressionEqualRowFilter(
_eval,
_columnName,
_cellIndex,
createMatches(),
_selectBlank,
@ -155,7 +156,7 @@ public class ListFacet implements Facet {
public void computeChoices(Project project, FilteredRows filteredRows) {
if (_eval != null && _errorMessage == null) {
ExpressionNominalRowGrouper grouper =
new ExpressionNominalRowGrouper(_eval, _cellIndex);
new ExpressionNominalRowGrouper(_eval, _columnName, _cellIndex);
filteredRows.accept(project, grouper);

4
src/main/java/com/metaweb/gridworks/browsing/facets/NumericBinIndex.java
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@ -27,7 +27,7 @@ public class NumericBinIndex {
private double _step;
private int[] _bins;
public NumericBinIndex(Project project, int cellIndex, Evaluable eval) {
public NumericBinIndex(Project project, String columnName, int cellIndex, Evaluable eval) {
Properties bindings = ExpressionUtils.createBindings(project);
_min = Double.POSITIVE_INFINITY;
@ -38,7 +38,7 @@ public class NumericBinIndex {
Row row = project.rows.get(i);
Cell cell = row.getCell(cellIndex);
ExpressionUtils.bind(bindings, row, i, cell);
ExpressionUtils.bind(bindings, row, i, columnName, cell);
Object value = eval.evaluate(bindings);
if (value != null) {

10
src/main/java/com/metaweb/gridworks/browsing/facets/RangeFacet.java
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@ -161,7 +161,7 @@ public class RangeFacet implements Facet {
if (_eval != null && _errorMessage == null && _selected) {
if ("min".equals(_mode)) {
return new ExpressionNumberComparisonRowFilter(
_eval, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
_eval, _columnName, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
protected boolean checkValue(double d) {
return d >= _from;
@ -169,7 +169,7 @@ public class RangeFacet implements Facet {
};
} else if ("max".equals(_mode)) {
return new ExpressionNumberComparisonRowFilter(
_eval, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
_eval, _columnName, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
protected boolean checkValue(double d) {
return d < _to;
@ -177,7 +177,7 @@ public class RangeFacet implements Facet {
};
} else {
return new ExpressionNumberComparisonRowFilter(
_eval, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
_eval, _columnName, _cellIndex, _selectNumeric, _selectNonNumeric, _selectBlank, _selectError) {
protected boolean checkValue(double d) {
return d >= _from && d < _to;
@ -196,7 +196,7 @@ public class RangeFacet implements Facet {
String key = "numeric-bin:" + _expression;
NumericBinIndex index = (NumericBinIndex) column.getPrecompute(key);
if (index == null) {
index = new NumericBinIndex(project, _cellIndex, _eval);
index = new NumericBinIndex(project, _columnName, _cellIndex, _eval);
column.setPrecompute(key, index);
}
@ -214,7 +214,7 @@ public class RangeFacet implements Facet {
}
ExpressionNumericRowBinner binner =
new ExpressionNumericRowBinner(_eval, _cellIndex, index);
new ExpressionNumericRowBinner(_eval, _columnName, _cellIndex, index);
filteredRows.accept(project, binner);

4
src/main/java/com/metaweb/gridworks/browsing/facets/TextSearchFacet.java
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@ -85,13 +85,13 @@ public class TextSearchFacet implements Facet {
Evaluable eval = new VariableExpr("value");
if ("regex".equals(_mode)) {
return new ExpressionStringComparisonRowFilter(eval, _cellIndex) {
return new ExpressionStringComparisonRowFilter(eval, _columnName, _cellIndex) {
protected boolean checkValue(String s) {
return _pattern.matcher(s).find();
};
};
} else {
return new ExpressionStringComparisonRowFilter(eval, _cellIndex) {
return new ExpressionStringComparisonRowFilter(eval, _columnName, _cellIndex) {
protected boolean checkValue(String s) {
return (_caseSensitive ? s : s.toLowerCase()).contains(_query);
};

6
src/main/java/com/metaweb/gridworks/browsing/filters/ExpressionEqualRowFilter.java
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@ -16,6 +16,8 @@ import com.metaweb.gridworks.model.Row;
*/
public class ExpressionEqualRowFilter implements RowFilter {
final protected Evaluable _evaluable; // the expression to evaluate
final protected String _columnName;
final protected int _cellIndex; // the expression is based on this column;
// -1 if based on no column in particular,
// for expression such as "row.starred".
@ -26,12 +28,14 @@ public class ExpressionEqualRowFilter implements RowFilter {
public ExpressionEqualRowFilter(
Evaluable evaluable,
String columnName,
int cellIndex,
Object[] matches,
boolean selectBlank,
boolean selectError
) {
_evaluable = evaluable;
_columnName = columnName;
_cellIndex = cellIndex;
_matches = matches;
_selectBlank = selectBlank;
@ -42,7 +46,7 @@ public class ExpressionEqualRowFilter implements RowFilter {
Cell cell = _cellIndex < 0 ? null : row.getCell(_cellIndex);
Properties bindings = ExpressionUtils.createBindings(project);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object value = _evaluable.evaluate(bindings);
if (value != null) {

5
src/main/java/com/metaweb/gridworks/browsing/filters/ExpressionNumberComparisonRowFilter.java
View File

@ -17,6 +17,7 @@ import com.metaweb.gridworks.model.Row;
*/
abstract public class ExpressionNumberComparisonRowFilter implements RowFilter {
final protected Evaluable _evaluable;
final protected String _columnName;
final protected int _cellIndex;
final protected boolean _selectNumeric;
final protected boolean _selectNonNumeric;
@ -25,6 +26,7 @@ abstract public class ExpressionNumberComparisonRowFilter implements RowFilter {
public ExpressionNumberComparisonRowFilter(
Evaluable evaluable,
String columnName,
int cellIndex,
boolean selectNumeric,
boolean selectNonNumeric,
@ -32,6 +34,7 @@ abstract public class ExpressionNumberComparisonRowFilter implements RowFilter {
boolean selectError
) {
_evaluable = evaluable;
_columnName = columnName;
_cellIndex = cellIndex;
_selectNumeric = selectNumeric;
_selectNonNumeric = selectNonNumeric;
@ -43,7 +46,7 @@ abstract public class ExpressionNumberComparisonRowFilter implements RowFilter {
Cell cell = _cellIndex < 0 ? null : row.getCell(_cellIndex);
Properties bindings = ExpressionUtils.createBindings(project);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object value = _evaluable.evaluate(bindings);
if (value != null) {

6
src/main/java/com/metaweb/gridworks/browsing/filters/ExpressionStringComparisonRowFilter.java
View File

@ -14,10 +14,12 @@ import com.metaweb.gridworks.model.Row;
*/
abstract public class ExpressionStringComparisonRowFilter implements RowFilter {
final protected Evaluable _evaluable;
final protected String _columnName;
final protected int _cellIndex;
public ExpressionStringComparisonRowFilter(Evaluable evaluable, int cellIndex) {
public ExpressionStringComparisonRowFilter(Evaluable evaluable, String columnName, int cellIndex) {
_evaluable = evaluable;
_columnName = columnName;
_cellIndex = cellIndex;
}
@ -25,7 +27,7 @@ abstract public class ExpressionStringComparisonRowFilter implements RowFilter {
Cell cell = _cellIndex < 0 ? null : row.getCell(_cellIndex);
Properties bindings = ExpressionUtils.createBindings(project);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object value = _evaluable.evaluate(bindings);
if (value != null) {

88
src/main/java/com/metaweb/gridworks/commands/util/PreviewExpressionCommand.java
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@ -3,6 +3,7 @@ package com.metaweb.gridworks.commands.util;
import java.io.IOException;
import java.io.Serializable;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Properties;
@ -12,6 +13,7 @@ import javax.servlet.http.HttpServletResponse;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONWriter;
import com.metaweb.gridworks.commands.Command;
@ -21,6 +23,8 @@ import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.expr.HasFields;
import com.metaweb.gridworks.expr.MetaParser;
import com.metaweb.gridworks.expr.ParsingException;
import com.metaweb.gridworks.expr.WrappedCell;
import com.metaweb.gridworks.expr.WrappedRow;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
@ -36,6 +40,7 @@ public class PreviewExpressionCommand extends Command {
Project project = getProject(request);
int cellIndex = Integer.parseInt(request.getParameter("cellIndex"));
String columnName = project.columnModel.getColumnByCellIndex(cellIndex).getName();
String expression = request.getParameter("expression");
String rowIndicesString = request.getParameter("rowIndices");
@ -79,13 +84,13 @@ public class PreviewExpressionCommand extends Command {
Cell cell = row.getCell(cellIndex);
try {
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, columnName, cell);
result = eval.evaluate(bindings);
if (repeat) {
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);
ExpressionUtils.bind(bindings, row, rowIndex, columnName, newCell);
Object newResult = eval.evaluate(bindings);
if (ExpressionUtils.isError(newResult)) {
@ -102,20 +107,18 @@ public class PreviewExpressionCommand extends Command {
}
}
if (result != null && (result.getClass().isArray() || result instanceof List<?>)) {
writer.array();
if (result.getClass().isArray()) {
for (Object v : (Object[]) result) {
writeValue(writer, v);
}
} else {
for (Object v : ExpressionUtils.toObjectList(result)) {
writeValue(writer, v);
}
}
writer.endArray();
if (result == null) {
writer.value(null);
} else if (ExpressionUtils.isError(result)) {
writer.object();
writer.key("message"); writer.value(((EvalError) result).message);
writer.endObject();
} else {
writeValue(writer, result);
StringBuffer sb = new StringBuffer();
writeValue(sb, result, false);
writer.value(sb.toString());
}
}
writer.endArray();
@ -135,24 +138,57 @@ public class PreviewExpressionCommand extends Command {
}
}
static protected void writeValue(JSONWriter writer, Object v) throws JSONException {
static protected void writeValue(StringBuffer sb, Object v, boolean quote) throws JSONException {
if (ExpressionUtils.isError(v)) {
writer.object();
writer.key("message"); writer.value(((EvalError) v).message);
writer.endObject();
sb.append("[error: " + ((EvalError) v).message + "]");
} else {
if (v != null) {
if (v instanceof HasFields) {
v = "[object " + v.getClass().getSimpleName() + "]";
if (v == null) {
sb.append("null");
} else {
if (v instanceof WrappedCell) {
sb.append("[object Cell]");
} else if (v instanceof WrappedRow) {
sb.append("[object Row]");
} else if (ExpressionUtils.isArray(v)) {
Object[] a = (Object[]) v;
sb.append("[ ");
for (int i = 0; i < a.length; i++) {
if (i > 0) {
sb.append(", ");
}
writeValue(sb, a[i], true);
}
sb.append(" ]");
} else if (ExpressionUtils.isArrayOrList(v)) {
List<Object> list = ExpressionUtils.toObjectList(v);
sb.append("[ ");
for (int i = 0; i < list.size(); i++) {
if (i > 0) {
sb.append(", ");
}
writeValue(sb, list.get(i), true);
}
sb.append(" ]");
} else if (v instanceof HasFields) {
sb.append("[object " + v.getClass().getSimpleName() + "]");
} else if (v instanceof Calendar) {
Calendar c = (Calendar) v;
v = "[object " +
v.getClass().getSimpleName() + " " +
ParsingUtilities.dateToString(c.getTime()) +"]";
sb.append("[date " +
ParsingUtilities.dateToString(c.getTime()) +"]");
} else if (v instanceof Date) {
sb.append("[date " +
ParsingUtilities.dateToString((Date) v) +"]");
} else if (v instanceof String) {
if (quote) {
sb.append(JSONObject.quote((String) v));
} else {
sb.append((String) v);
}
} else {
sb.append(v.toString());
}
}
writer.value(v);
}
}
}

35
src/main/java/com/metaweb/gridworks/expr/CellTuple.java Normal file
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@ -0,0 +1,35 @@
package com.metaweb.gridworks.expr;
import java.util.Properties;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
public class CellTuple implements HasFields {
final public Project project;
final public Row row;
public CellTuple(Project project, Row row) {
this.project = project;
this.row = row;
}
public Object getField(String name, Properties bindings) {
Column column = project.columnModel.getColumnByName(name);
if (column != null) {
int cellIndex = column.getCellIndex();
Cell cell = row.getCell(cellIndex);
if (cell != null) {
return new WrappedCell(project, name, cell);
}
}
return null;
}
public boolean fieldAlsoHasFields(String name) {
return true;
}
}

14
src/main/java/com/metaweb/gridworks/expr/ExpressionUtils.java
View File

@ -23,16 +23,22 @@ public class ExpressionUtils {
return bindings;
}
static public void bind(Properties bindings, Row row, int rowIndex, Cell cell) {
bindings.put("row", row);
static public void bind(Properties bindings, Row row, int rowIndex, String columnName, Cell cell) {
Project project = (Project) bindings.get("project");
bindings.put("rowIndex", rowIndex);
bindings.put("cells", row.getField("cells", bindings));
bindings.put("row", new WrappedRow(project, rowIndex, row));
bindings.put("cells", new CellTuple(project, row));
if (columnName != null) {
bindings.put("columnName", columnName);
}
if (cell == null) {
bindings.remove("cell");
bindings.remove("value");
} else {
bindings.put("cell", cell);
bindings.put("cell", new WrappedCell(project, columnName, cell));
if (cell.value == null) {
bindings.remove("value");
} else {

2
src/main/java/com/metaweb/gridworks/expr/HasFields.java
View File

@ -8,4 +8,6 @@ import java.util.Properties;
*/
public interface HasFields {
public Object getField(String name, Properties bindings);
public boolean fieldAlsoHasFields(String name);
}

10
src/main/java/com/metaweb/gridworks/expr/HasFieldsList.java Normal file
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@ -0,0 +1,10 @@
package com.metaweb.gridworks.expr;
/**
* Interface for objects each of which is a list of HasFields objects of the
* same kind (e.g., list of cells). Its getField method thus returns either
* another HasFieldsList object or an array or java.util.List of objects.
*/
public interface HasFieldsList extends HasFields {
public int length();
}

34
src/main/java/com/metaweb/gridworks/expr/HasFieldsListImpl.java Normal file
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@ -0,0 +1,34 @@
package com.metaweb.gridworks.expr;
import java.util.ArrayList;
import java.util.Properties;
public class HasFieldsListImpl extends ArrayList<HasFields> implements HasFieldsList {
private static final long serialVersionUID = -8635194387420305802L;
public Object getField(String name, Properties bindings) {
int c = size();
if (c > 0 && get(0).fieldAlsoHasFields(name)) {
HasFieldsListImpl l = new HasFieldsListImpl();
for (int i = 0; i < size(); i++) {
l.add(i, (HasFields) this.get(i).getField(name, bindings));
}
return l;
} else {
Object[] r = new Object[this.size()];
for (int i = 0; i < r.length; i++) {
r[i] = this.get(i).getField(name, bindings);
}
return r;
}
}
public int length() {
return size();
}
public boolean fieldAlsoHasFields(String name) {
int c = size();
return (c > 0 && get(0).fieldAlsoHasFields(name));
}
}

26
src/main/java/com/metaweb/gridworks/expr/WrappedCell.java Normal file
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@ -0,0 +1,26 @@
package com.metaweb.gridworks.expr;
import java.util.Properties;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Project;
public class WrappedCell implements HasFields {
final public Project project;
final public String columnName;
final public Cell cell;
public WrappedCell(Project project, String columnName, Cell cell) {
this.project = project;
this.columnName = columnName;
this.cell = cell;
}
public Object getField(String name, Properties bindings) {
return cell.getField(name, bindings);
}
public boolean fieldAlsoHasFields(String name) {
return cell.fieldAlsoHasFields(name);
}
}

104
src/main/java/com/metaweb/gridworks/expr/WrappedRow.java Normal file
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@ -0,0 +1,104 @@
package com.metaweb.gridworks.expr;
import java.util.Properties;
import com.metaweb.gridworks.model.Cell;
import com.metaweb.gridworks.model.Column;
import com.metaweb.gridworks.model.Project;
import com.metaweb.gridworks.model.Row;
public class WrappedRow implements HasFields {
final public Project project;
final public int rowIndex;
final public Row row;
public WrappedRow(Project project, int rowIndex, Row row) {
this.project = project;
this.rowIndex = rowIndex;
this.row = row;
}
public Object getField(String name, Properties bindings) {
if ("cells".equals(name)) {
return new CellTuple(project, row);
} else if ("index".equals(name)) {
return rowIndex;
} else if ("record".equals(name)) {
int rowIndex = (Integer) bindings.get("rowIndex");
int recordRowIndex = (row.contextRows != null && row.contextRows.size() > 0) ?
row.contextRows.get(0) : rowIndex;
return new Record(recordRowIndex, rowIndex);
} else if ("columnNames".equals(name)) {
Project project = (Project) bindings.get("project");
return project.columnModel.getColumnNames();
} else {
return row.getField(name, bindings);
}
}
public boolean fieldAlsoHasFields(String name) {
return row.fieldAlsoHasFields(name);
}
protected class Record implements HasFields {
final int _recordRowIndex;
final int _currentRowIndex;
protected Record(int recordRowIndex, int currentRowIndex) {
_recordRowIndex = recordRowIndex;
_currentRowIndex = currentRowIndex;
}
public Object getField(String name, Properties bindings) {
if ("cells".equals(name)) {
return new RecordCells(_recordRowIndex);
}
return null;
}
public boolean fieldAlsoHasFields(String name) {
return "cells".equals(name);
}
}
protected class RecordCells implements HasFields {
final int _recordRowIndex;
protected RecordCells(int recordRowIndex) {
_recordRowIndex = recordRowIndex;
}
public Object getField(String name, Properties bindings) {
Column column = project.columnModel.getColumnByName(name);
if (column != null) {
Row recordRow = project.rows.get(_recordRowIndex);
int cellIndex = column.getCellIndex();
HasFieldsListImpl cells = new HasFieldsListImpl();
int recordIndex = recordRow.recordIndex;
int count = project.rows.size();
for (int r = _recordRowIndex; r < count; r++) {
Row row = project.rows.get(r);
if (row.recordIndex > recordIndex) {
break;
}
Cell cell = row.getCell(cellIndex);
if (cell != null && ExpressionUtils.isNonBlankData(cell.value)) {
cells.add(new WrappedCell(project, name, cell));
}
}
return cells;
}
return null;
}
public boolean fieldAlsoHasFields(String name) {
return true;
}
}
}

53
src/main/java/com/metaweb/gridworks/expr/functions/Cross.java Normal file
View File

@ -0,0 +1,53 @@
package com.metaweb.gridworks.expr.functions;
import java.util.Properties;
import org.json.JSONException;
import org.json.JSONWriter;
import com.metaweb.gridworks.ProjectManager;
import com.metaweb.gridworks.InterProjectModel.ProjectJoin;
import com.metaweb.gridworks.expr.EvalError;
import com.metaweb.gridworks.expr.WrappedCell;
import com.metaweb.gridworks.gel.ControlFunctionRegistry;
import com.metaweb.gridworks.gel.Function;
import com.metaweb.gridworks.model.Project;
public class Cross implements Function {
public Object call(Properties bindings, Object[] args) {
if (args.length == 3) {
// from project is implied
Object wrappedCell = args[0]; // from cell
Object toProjectName = args[1];
Object toColumnName = args[2];
if (wrappedCell != null && wrappedCell instanceof WrappedCell &&
toProjectName != null && toProjectName instanceof String &&
toColumnName != null && toColumnName instanceof String) {
ProjectJoin join = ProjectManager.singleton.getInterProjectModel().getJoin(
ProjectManager.singleton.getProjectMetadata(
((Project) bindings.get("project")).id).getName(),
((WrappedCell) wrappedCell).columnName,
(String) toProjectName,
(String) toColumnName
);
return join.getRows(((WrappedCell) wrappedCell).cell.value);
}
}
return new EvalError(ControlFunctionRegistry.getFunctionName(this) + " expects a cell, a project name to join with, and a column name in that project");
}
public void write(JSONWriter writer, Properties options)
throws JSONException {
writer.object();
writer.key("description"); writer.value("TODO");
writer.key("params"); writer.value("cell c, string projectName, string columnName");
writer.key("returns"); writer.value("array");
writer.endObject();
}
}

3
src/main/java/com/metaweb/gridworks/gel/ControlFunctionRegistry.java
View File

@ -5,6 +5,7 @@ import java.util.Map;
import java.util.Set;
import java.util.Map.Entry;
import com.metaweb.gridworks.expr.functions.Cross;
import com.metaweb.gridworks.expr.functions.Get;
import com.metaweb.gridworks.expr.functions.Length;
import com.metaweb.gridworks.expr.functions.Slice;
@ -170,6 +171,8 @@ public class ControlFunctionRegistry {
registerFunction("or", new Or());
registerFunction("not", new Not());
registerFunction("cross", new Cross());
registerControl("if", new If());
registerControl("with", new With());
registerControl("forEach", new ForEach());

4
src/main/java/com/metaweb/gridworks/model/Cell.java
View File

@ -34,6 +34,10 @@ public class Cell implements HasFields, Jsonizable {
return null;
}
public boolean fieldAlsoHasFields(String name) {
return "recon".equals(name);
}
public void write(JSONWriter writer, Properties options) throws JSONException {
writer.object();
if (ExpressionUtils.isError(value)) {

8
src/main/java/com/metaweb/gridworks/model/Recon.java
View File

@ -139,6 +139,10 @@ public class Recon implements HasFields, Jsonizable {
return null;
}
public boolean fieldAlsoHasFields(String name) {
return "match".equals(name) || "best".equals(name);
}
protected String judgmentToString() {
return judgmentToString(judgment);
}
@ -148,6 +152,10 @@ public class Recon implements HasFields, Jsonizable {
int index = s_featureMap.get(name);
return index < features.length ? features[index] : null;
}
public boolean fieldAlsoHasFields(String name) {
return false;
}
}
public void write(JSONWriter writer, Properties options)

4
src/main/java/com/metaweb/gridworks/model/ReconCandidate.java
View File

@ -40,6 +40,10 @@ public class ReconCandidate implements HasFields, Jsonizable {
return null;
}
public boolean fieldAlsoHasFields(String name) {
return false;
}
public void write(JSONWriter writer, Properties options)
throws JSONException {

102
src/main/java/com/metaweb/gridworks/model/Row.java
View File

@ -12,7 +12,7 @@ import org.json.JSONObject;
import org.json.JSONWriter;
import com.metaweb.gridworks.Jsonizable;
import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.expr.CellTuple;
import com.metaweb.gridworks.expr.HasFields;
import com.metaweb.gridworks.util.ParsingUtilities;
@ -43,24 +43,14 @@ public class Row implements HasFields, Jsonizable {
return flagged;
} else if ("starred".equals(name)) {
return starred;
} else if ("cells".equals(name)) {
return new Cells();
} else if ("index".equals(name)) {
return bindings.get("rowIndex");
} else if ("record".equals(name)) {
int rowIndex = (Integer) bindings.get("rowIndex");
int recordRowIndex = (contextRows != null && contextRows.size() > 0) ?
contextRows.get(0) : rowIndex;
return new Record(recordRowIndex, rowIndex);
} else if ("columnNames".equals(name)) {
Project project = (Project) bindings.get("project");
return project.columnModel.getColumnNames();
}
return null;
}
public boolean fieldAlsoHasFields(String name) {
return "cells".equals(name) || "record".equals(name);
}
public boolean isEmpty() {
for (Cell cell : cells) {
if (cell != null && cell.value != null && !isValueBlank(cell.value)) {
@ -107,6 +97,10 @@ public class Row implements HasFields, Jsonizable {
}
}
public CellTuple getCellTuple(Project project) {
return new CellTuple(project, this);
}
public void write(JSONWriter writer, Properties options)
throws JSONException {
@ -182,82 +176,4 @@ public class Row implements HasFields, Jsonizable {
return row;
}
protected class Cells implements HasFields {
public Object getField(String name, Properties bindings) {
Project project = (Project) bindings.get("project");
Column column = project.columnModel.getColumnByName(name);
if (column != null) {
int cellIndex = column.getCellIndex();
return getCell(cellIndex);
}
return null;
}
}
protected static class Record implements HasFields {
final int _recordRowIndex;
final int _currentRowIndex;
protected Record(int recordRowIndex, int currentRowIndex) {
_recordRowIndex = recordRowIndex;
_currentRowIndex = currentRowIndex;
}
public Object getField(String name, Properties bindings) {
if ("cells".equals(name)) {
return new RecordCells(_recordRowIndex);
}
return null;
}
}
protected static class RecordCells implements HasFields {
final int _recordRowIndex;
protected RecordCells(int recordRowIndex) {
_recordRowIndex = recordRowIndex;
}
public Object getField(String name, Properties bindings) {
Project project = (Project) bindings.get("project");
Column column = project.columnModel.getColumnByName(name);
if (column != null) {
Row recordRow = project.rows.get(_recordRowIndex);
int cellIndex = column.getCellIndex();
CellTuple cells = new CellTuple();
int recordIndex = recordRow.recordIndex;
int count = project.rows.size();
for (int r = _recordRowIndex; r < count; r++) {
Row row = project.rows.get(r);
if (row.recordIndex > recordIndex) {
break;
}
Cell cell = row.getCell(cellIndex);
if (cell != null && ExpressionUtils.isNonBlankData(cell.value)) {
cells.add(cell);
}
}
return cells;
}
return null;
}
}
protected static class CellTuple extends ArrayList<Cell> implements HasFields {
private static final long serialVersionUID = -651032866647686293L;
public Object getField(String name, Properties bindings) {
Object[] r = new Object[this.size()];
for (int i = 0; i < r.length; i++) {
r[i] = this.get(i).getField(name, bindings);
}
return r;
}
}
}

2
src/main/java/com/metaweb/gridworks/operations/ColumnAdditionOperation.java
View File

@ -137,7 +137,7 @@ public class ColumnAdditionOperation extends EngineDependentOperation {
public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
Cell cell = row.getCell(cellIndex);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _baseColumnName, cell);
Serializable v = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(v)) {

2
src/main/java/com/metaweb/gridworks/operations/MassEditOperation.java
View File

@ -166,7 +166,7 @@ public class MassEditOperation extends EngineDependentMassCellOperation {
public boolean visit(Project project, int rowIndex, Row row, boolean includeContextual, boolean includeDependent) {
Cell cell = row.getCell(cellIndex);
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Object v = eval.evaluate(bindings);
if (v != null) {

4
src/main/java/com/metaweb/gridworks/operations/TextTransformOperation.java
View File

@ -122,7 +122,7 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
Cell cell = row.getCell(cellIndex);
Object oldValue = cell != null ? cell.value : null;
ExpressionUtils.bind(bindings, row, rowIndex, cell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, cell);
Serializable newValue = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(newValue)) {
@ -138,7 +138,7 @@ public class TextTransformOperation extends EngineDependentMassCellOperation {
if (_repeat) {
for (int i = 0; i < _repeatCount; i++) {
ExpressionUtils.bind(bindings, row, rowIndex, newCell);
ExpressionUtils.bind(bindings, row, rowIndex, _columnName, newCell);
newValue = ExpressionUtils.wrapStorable(eval.evaluate(bindings));
if (ExpressionUtils.isError(newValue)) {

11
src/main/webapp/scripts/dialogs/expression-preview-dialog.js
View File

@ -322,17 +322,10 @@ ExpressionPreviewDialog.Widget.prototype._renderPreview = function(expression, d
var renderValue = function(td, v) {
if (v !== null && v !== undefined) {
if ($.isArray(v)) {
var a = [];
$.each(v, function() { a.push(JSON.stringify(this)); });
td.text("[ " + a.join(", ") + " ]");
} else if ($.isPlainObject(v)) {
if ($.isPlainObject(v)) {
$('<span></span>').addClass("expression-preview-special-value").text("Error: " + v.message).appendTo(td);
} else if (typeof v === "string" && v.length == 0) {
$('<span>empty string</span>').addClass("expression-preview-special-value").appendTo(td);
} else {
td.text(v.toString());
td.text(v);
}
} else {
$('<span>null</span>').addClass("expression-preview-special-value").appendTo(td);