/*
Copyright 2008-2010 Gephi
Authors : Mathieu Bastian <mathieu.bastian@gephi.org>
Website : http://www.gephi.org
This file is part of Gephi.
Gephi is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
Gephi is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with Gephi. If not, see <http://www.gnu.org/licenses/>.
*/
package org.gephi.graph.dhns;
import java.util.concurrent.Executor;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.gephi.graph.api.GraphController;
import org.gephi.graph.api.GraphModel;
import org.gephi.graph.dhns.core.Dhns;
import org.gephi.graph.dhns.core.IDGen;
import org.gephi.project.api.ProjectController;
import org.gephi.project.api.Workspace;
import org.gephi.project.spi.WorkspaceDuplicateProvider;
import org.openide.util.Lookup;
import org.openide.util.lookup.ServiceProvider;
import org.openide.util.lookup.ServiceProviders;
/**
* Singleton which manages the graph access.
*
* @author Mathieu Bastian
*/
@ServiceProvider(service = GraphController.class)
public class DhnsGraphController implements GraphController {
protected IDGen iDGen;
public DhnsGraphController() {
iDGen = new IDGen();
}
public Dhns newDhns(Workspace workspace) {
Dhns dhns = new Dhns(this, workspace);
workspace.add(dhns);
return dhns;
}
public IDGen getIDGen() {
return iDGen;
}
private synchronized Dhns getCurrentDhns() {
Workspace currentWorkspace = Lookup.getDefault().lookup(ProjectController.class).getCurrentWorkspace();
if (currentWorkspace == null) {
return null;
}
Dhns dhns = currentWorkspace.getLookup().lookup(Dhns.class);
if (dhns == null) {
dhns = newDhns(currentWorkspace);
}
return dhns;
}
public GraphModel getModel(Workspace workspace) {
Dhns dhns = workspace.getLookup().lookup(Dhns.class);
if (dhns == null) {
dhns = newDhns(workspace);
}
return dhns;
}
public GraphModel getModel() {
return getCurrentDhns();
}
}