/*******************************************************************************
* Copyright 2012 University of Southern California
*
* Licensed 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.
*
* This code was developed by the Information Integration Group as part
* of the Karma project at the Information Sciences Institute of the
* University of Southern California. For more information, publications,
* and related projects, please see: http://www.isi.edu/integration
******************************************************************************/
package edu.isi.karma.controller.command.transformation;
import org.json.JSONArray;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import edu.isi.karma.controller.command.CommandException;
import edu.isi.karma.controller.command.CommandType;
import edu.isi.karma.controller.update.ErrorUpdate;
import edu.isi.karma.controller.update.PythonPreviewResultsUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.rep.HNode;
import edu.isi.karma.rep.RepFactory;
import edu.isi.karma.rep.Worksheet;
import edu.isi.karma.rep.Workspace;
public class PreviewPythonTransformationResultsCommand extends PythonTransformationCommand {
private static Logger logger = LoggerFactory
.getLogger(PreviewPythonTransformationResultsCommand.class.getSimpleName());
protected PreviewPythonTransformationResultsCommand(String id, String worksheetId,
String transformationCode, String errorDefaultValue,
String hNodeId, String selectionId) {
super(id, transformationCode, worksheetId, hNodeId, errorDefaultValue, selectionId);
}
@Override
public String getCommandName() {
return this.getClass().getName();
}
@Override
public String getTitle() {
return "Preview Transformation Results";
}
@Override
public String getDescription() {
return "";
}
@Override
public CommandType getCommandType() {
return CommandType.notInHistory;
}
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
Worksheet worksheet = workspace.getWorksheet(worksheetId);
RepFactory f = workspace.getFactory();
HNode hNode = f.getHNode(hNodeId);
final JSONArray transformedRows = new JSONArray();
final JSONArray errorValues = new JSONArray();
try {
this.generateTransformedValues(workspace, worksheet, f, hNode, transformedRows, errorValues, 5);
return new UpdateContainer(new PythonPreviewResultsUpdate(transformedRows, errorValues));
} catch (Exception e) {
logger.error("Error while creating python results preview", e);
String message = e.toString();
return new UpdateContainer(new ErrorUpdate("Error executing python script: " + message));
}
}
@Override
public UpdateContainer undoIt(Workspace workspace) {
// TODO Auto-generated method stub
return null;
}
}