/*******************************************************************************
* 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.service;
import java.io.IOException;
import org.jgrapht.graph.DirectedWeightedMultigraph;
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.command.WorksheetCommand;
import edu.isi.karma.controller.update.ErrorUpdate;
import edu.isi.karma.controller.update.InfoUpdate;
import edu.isi.karma.controller.update.UpdateContainer;
import edu.isi.karma.model.serialization.DataSourceLoader;
import edu.isi.karma.model.serialization.DataSourcePublisher;
import edu.isi.karma.model.serialization.Repository;
import edu.isi.karma.model.serialization.WebServiceLoader;
import edu.isi.karma.model.serialization.WebServicePublisher;
import edu.isi.karma.modeling.alignment.Alignment;
import edu.isi.karma.modeling.alignment.AlignmentManager;
import edu.isi.karma.rep.Worksheet;
import edu.isi.karma.rep.Workspace;
import edu.isi.karma.rep.alignment.LabeledLink;
import edu.isi.karma.rep.alignment.Node;
import edu.isi.karma.rep.metadata.MetadataContainer;
import edu.isi.karma.rep.sources.DataSource;
import edu.isi.karma.rep.sources.WebService;
public class PublishModelCommand extends WorksheetCommand{
// Logger object
private static Logger logger = LoggerFactory
.getLogger(PublishModelCommand.class.getSimpleName());
public PublishModelCommand(String id, String worksheetId) {
super(id, worksheetId);
}
@Override
public String getCommandName() {
return this.getClass().getSimpleName();
}
@Override
public String getTitle() {
return "Publish the Model";
}
@Override
public String getDescription() {
return "";
}
@Override
public CommandType getCommandType() {
return CommandType.undoable;
}
@Override
public UpdateContainer doIt(Workspace workspace) throws CommandException {
Worksheet wk = workspace.getWorksheet(worksheetId);
WebService service = null;
DataSource source = null;
if (!wk.containService()) {
logger.info("The worksheet does not have a service object.");
// return new UpdateContainer(new ErrorUpdate(
// "Error occured while publishing the model. The worksheet does not have a service object."));
} else
service = wk.getMetadataContainer().getService();
AlignmentManager mgr = AlignmentManager.Instance();
String alignmentId = mgr.constructAlignmentId(workspace.getId(), worksheetId);
Alignment al = mgr.getAlignment(alignmentId);
if (al == null) {
logger.error("The alignment model is null.");
if (service == null)
return new UpdateContainer(new ErrorUpdate(
"Error occured while publishing the source. The alignment model is null."));
}
DirectedWeightedMultigraph<Node, LabeledLink> tree = null;
if (al != null)
tree = al.getSteinerTree();
if (tree == null) {
logger.error("The alignment tree is null.");
if (service == null)
return new UpdateContainer(new ErrorUpdate(
"Error occured while publishing the source. The alignment tree is null."));
}
if (service != null) service.updateModel(tree);
else {
source = new DataSource(wk.getTitle(), tree);
MetadataContainer metaData = wk.getMetadataContainer();
if (metaData == null) {
metaData = new MetadataContainer();
wk.setMetadataContainer(metaData);
}
metaData.setSource(source);
logger.info("Source added to the Worksheet.");
}
try {
if (service != null) {
WebServicePublisher servicePublisher = new WebServicePublisher(service);
servicePublisher.publish(Repository.Instance().LANG, true);
logger.info("Service model has successfully been published to repository: " + service.getId());
return new UpdateContainer(new InfoUpdate(
"Service model has successfully been published to repository: " + service.getId()));
} else { //if (source != null) {
DataSourcePublisher sourcePublisher = new DataSourcePublisher(source, workspace.getFactory(), wk.getMetadataContainer().getSourceInformation());
sourcePublisher.publish(Repository.Instance().LANG, true);
logger.info("Source model has successfully been published to repository: " + source.getId());
return new UpdateContainer(new InfoUpdate(
"Source model has successfully been published to repository: " + source.getId()));
}
} catch (IOException e) {
logger.error("Error occured while publishing the source/service ", e);
return new UpdateContainer(new ErrorUpdate(
"Error occured while publishing the source/service "));
}
}
@Override
public UpdateContainer undoIt(Workspace workspace) {
Worksheet wk = workspace.getWorksheet(worksheetId);
WebService service = null;
DataSource source = null;
if (!wk.containService()) {
logger.error("The worksheet does not have a service object.");
// return new UpdateContainer(new ErrorUpdate(
// "Error occured while deleting the model. The worksheet does not have a service object."));
} else
service = wk.getMetadataContainer().getService();
if (!wk.containSource()) {
logger.error("The worksheet does not have a source object.");
// return new UpdateContainer(new ErrorUpdate(
// "Error occured while deleting the model. The worksheet does not have a source object."));
} else
source = wk.getMetadataContainer().getSource();
try {
// one way to un-publish is just set the service model to null and publish it again.
// in this way the invocation part will be kept in the repository.
// ServicePublisher servicePublisher = new ServicePublisher(service);
// servicePublisher.publish("N3", true);
// deleting the service completely from the repository.
if (service != null) {
WebServiceLoader.getInstance().deleteSourceByUri(service.getUri());
logger.info("Service model has successfully been deleted from repository.");
return new UpdateContainer(new ErrorUpdate(
"Service model has successfully been deleted from repository."));
}
else {
DataSourceLoader.getInstance().deleteSourceByUri(source.getUri());
logger.info("Source model has successfully been deleted from repository.");
return new UpdateContainer(new ErrorUpdate(
"Source model has successfully been deleted from repository."));
}
} catch (Exception e) {
logger.error("Error occured while deleting the source/service " + service.getId(), e);
return new UpdateContainer(new ErrorUpdate(
"Error occured while deleting the source/service " + service.getId()));
}
}
}