/*******************************************************************************
* 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.modeling.alignment;
import java.util.Set;
import org.jgrapht.UndirectedGraph;
import org.jgrapht.graph.AsUndirectedGraph;
import org.jgrapht.graph.DirectedWeightedMultigraph;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import edu.isi.karma.modeling.ModelingParams;
import edu.isi.karma.rep.alignment.DefaultLink;
import edu.isi.karma.rep.alignment.LabeledLink;
import edu.isi.karma.rep.alignment.Node;
public class GraphPreProcess {
static Logger logger = LoggerFactory.getLogger(GraphPreProcess.class);
DirectedWeightedMultigraph<Node, DefaultLink> gPrime;
Set<LabeledLink> linksPreferredByUI;
Set<LabeledLink> linksForcedByUser;
public GraphPreProcess(DirectedWeightedMultigraph<Node, DefaultLink> graph,
Set<LabeledLink> linksPreferredByUI,
Set<LabeledLink> linksForcedByUser) {
this.linksPreferredByUI = linksPreferredByUI;
this.linksForcedByUser = linksForcedByUser;
this.gPrime = cloneGraph(graph);
this.updateWeights();
}
@SuppressWarnings("unchecked")
private DirectedWeightedMultigraph<Node, DefaultLink> cloneGraph(DirectedWeightedMultigraph<Node, DefaultLink> graph) {
gPrime = (DirectedWeightedMultigraph<Node, DefaultLink>)graph.clone();
return gPrime;
}
private void updateWeights() {
logger.debug("<enter");
if (linksPreferredByUI != null)
for (LabeledLink link : linksPreferredByUI)
gPrime.setEdgeWeight(link, ModelingParams.PROPERTY_UI_PREFERRED_WEIGHT);
if (linksForcedByUser != null)
for (LabeledLink link : linksForcedByUser) {
// // removing all the links to target
// Set<Link> incomingLinks = gPrime.incomingEdgesOf(link.getTarget());
// if (incomingLinks == null) continue;
// Link[] incomingLinksArray = incomingLinks.toArray(new Link[0]);
// for (Link inLink: incomingLinksArray) {
// gPrime.removeAllEdges( inLink.getSource(), inLink.getTarget() );
// }
//
// // adding the user selected link
// gPrime.addEdge(link.getSource(), link.getTarget(), link);
gPrime.setEdgeWeight(link, ModelingParams.PROPERTY_USER_PREFERRED_WEIGHT);
}
logger.debug("exit>");
// GraphUtil.printGraph(gPrime);
}
public UndirectedGraph<Node, DefaultLink> getUndirectedGraph() {
return new AsUndirectedGraph<>(this.gPrime);
}
}