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package com.google.refine.operations.recon;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONWriter;
import com.google.refine.browsing.RowVisitor;
import com.google.refine.history.Change;
import com.google.refine.model.AbstractOperation;
import com.google.refine.model.Cell;
import com.google.refine.model.Column;
import com.google.refine.model.Project;
import com.google.refine.model.Recon;
import com.google.refine.model.Recon.Judgment;
import com.google.refine.model.ReconCandidate;
import com.google.refine.model.Row;
import com.google.refine.model.changes.CellChange;
import com.google.refine.model.changes.ReconChange;
import com.google.refine.operations.EngineDependentMassCellOperation;
import com.google.refine.operations.OperationRegistry;
public class ReconMatchSpecificTopicOperation extends EngineDependentMassCellOperation {
final protected ReconCandidate match;
final protected String identifierSpace;
final protected String schemaSpace;
static public AbstractOperation reconstruct(Project project, JSONObject obj) throws Exception {
JSONObject engineConfig = obj.getJSONObject("engineConfig");
JSONObject match = obj.getJSONObject("match");
JSONArray types = obj.getJSONArray("types");
String[] typeIDs = new String[types.length()];
for (int i = 0; i < typeIDs.length; i++) {
typeIDs[i] = types.getString(i);
}
return new ReconMatchSpecificTopicOperation(
engineConfig,
obj.getString("columnName"),
new ReconCandidate(
match.getString("id"),
match.getString("name"),
typeIDs,
100
),
obj.getString("identifierSpace"),
obj.getString("schemaSpace")
);
}
public ReconMatchSpecificTopicOperation(
JSONObject engineConfig,
String columnName,
ReconCandidate match,
String identifierSpace,
String schemaSpace
) {
super(engineConfig, columnName, false);
this.match = match;
this.identifierSpace = identifierSpace;
this.schemaSpace = schemaSpace;
}
@Override
public void write(JSONWriter writer, Properties options)
throws JSONException {
writer.object();
writer.key("op"); writer.value(OperationRegistry.s_opClassToName.get(this.getClass()));
writer.key("description"); writer.value(getBriefDescription(null));
writer.key("engineConfig"); writer.value(getEngineConfig());
writer.key("columnName"); writer.value(_columnName);
writer.key("match");
writer.object();
writer.key("id"); writer.value(match.id);
writer.key("name"); writer.value(match.name);
writer.key("types");
writer.array();
for (String typeID : match.types) {
writer.value(typeID);
}
writer.endArray();
writer.endObject();
writer.key("identifierSpace"); writer.value(identifierSpace);
writer.key("schemaSpace"); writer.value(schemaSpace);
writer.endObject();
}
@Override
protected String getBriefDescription(Project project) {
return "Match specific topic " +
match.name + " (" +
match.id + ") to cells in column " + _columnName;
}
@Override
protected String createDescription(Column column,
List<CellChange> cellChanges) {
return "Match specific topic " +
match.name + " (" +
match.id + ") to " + cellChanges.size() +
" cells in column " + column.getName();
}
@Override
protected RowVisitor createRowVisitor(Project project, List<CellChange> cellChanges, long historyEntryID) throws Exception {
Column column = project.columnModel.getColumnByName(_columnName);
return new RowVisitor() {
int cellIndex;
List<CellChange> cellChanges;
Map<Long, Recon> dupReconMap = new HashMap<Long, Recon>();
long historyEntryID;
public RowVisitor init(int cellIndex, List<CellChange> cellChanges, long historyEntryID) {
this.cellIndex = cellIndex;
this.cellChanges = cellChanges;
this.historyEntryID = historyEntryID;
return this;
}
@Override
public void start(Project project) {
// nothing to do
}
@Override
public void end(Project project) {
// nothing to do
}
@Override
public boolean visit(Project project, int rowIndex, Row row) {
Cell cell = row.getCell(cellIndex);
if (cell != null) {
long reconID = cell.recon != null ? cell.recon.id : 0;
Recon newRecon;
if (dupReconMap.containsKey(reconID)) {
newRecon = dupReconMap.get(reconID);
newRecon.judgmentBatchSize++;
} else {
newRecon = cell.recon != null ?
cell.recon.dup(historyEntryID) :
new Recon(
historyEntryID,
identifierSpace,
schemaSpace);
newRecon.match = match;
newRecon.matchRank = -1;
newRecon.judgment = Judgment.Matched;
newRecon.judgmentAction = "mass";
newRecon.judgmentBatchSize = 1;
dupReconMap.put(reconID, newRecon);
}
Cell newCell = new Cell(
cell.value,
newRecon
);
CellChange cellChange = new CellChange(rowIndex, cellIndex, cell, newCell);
cellChanges.add(cellChange);
}
return false;
}
}.init(column.getCellIndex(), cellChanges, historyEntryID);
}
@Override
protected Change createChange(Project project, Column column, List<CellChange> cellChanges) {
return new ReconChange(
cellChanges,
_columnName,
column.getReconConfig(),
null
);
}
}