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Implemented "record" field for each row.

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git-svn-id: http://google-refine.googlecode.com/svn/trunk@283 7d457c2a-affb-35e4-300a-418c747d4874
This commit is contained in:
David Huynh 2010-03-12 06:33:03 +00:00
parent af3cb76056
commit 025eccce4b
1 changed files with 85 additions and 15 deletions
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100
src/main/java/com/metaweb/gridworks/model/Row.java
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@ -11,6 +11,7 @@ import org.json.JSONObject;
import org.json.JSONWriter;
import com.metaweb.gridworks.Jsonizable;
import com.metaweb.gridworks.expr.ExpressionUtils;
import com.metaweb.gridworks.expr.HasFields;
import com.metaweb.gridworks.util.ParsingUtilities;
@ -45,6 +46,12 @@ public class Row implements HasFields, Jsonizable {
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);
}
return null;
}
@ -95,21 +102,6 @@ public class Row implements HasFields, Jsonizable {
}
}
public class Cells implements HasFields {
private Cells() {};
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;
}
}
public void write(JSONWriter writer, Properties options)
throws JSONException {
@ -184,4 +176,82 @@ 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 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 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 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;
}
}
}