public void script() {
NetworkLayer nl = MultiLayerNetwork.getSelected();
if (pc == null) pc = Lookup.getDefault().lookup(ProjectController.class);
// Init a project - and therefore a workspace
Project pro = pc.getCurrentProject();
if (pro == null) {
pc.newProject();
pro = pc.getCurrentProject();
}
Workspace workspace = pc.newWorkspace(pro);
// Get controllers and models
ImportController importController = Lookup.getDefault().lookup(ImportController.class);
GraphModel graphModel =
Lookup.getDefault().lookup(GraphController.class).getGraphModel(workspace);
// AttributeModel attributeModel =
// Lookup.getDefault().lookup(AttributeController.class).getModel();
// Import database
EdgeListHiveDatabaseImpl db = new EdgeListHiveDatabaseImpl();
db.setDBName("default"); // !!!
db.setHost("127.0.0.1");
// db.setHost( HadoopClusterDefaults.HIVE_SERVER_IP );
db.setPort(10000); // !!!
db.setUsername("kamir");
db.setPasswd("8cwrr");
db.setSQLDriver(new HiveJDBCDriver());
String tab = "edgelist_es_de_erfurt2";
db.setNodeQuery(
"SELECT UNIQUE( " + tab + ".source ) AS id, " + tab + ".source AS label FROM " + tab);
db.setEdgeQuery(
"SELECT "
+ tab
+ ".source AS source, "
+ tab
+ ".target AS target "
+ tab
+ ".q0 AS weight FROM "
+ tab);
ImporterEdgeList edgeListImporter = new ImporterEdgeList();
Container container = null;
String url = SQLUtils.getUrl(db.getSQLDriver(), db.getHost(), db.getPort(), db.getDBName());
System.out.println(url);
javax.swing.JOptionPane.showMessageDialog(null, "Go ... Hive! \n> " + url);
try {
container = importController.importDatabase(db, edgeListImporter);
// container.setAllowAutoNode(false); //Don't create missing nodes
container.getLoader().setEdgeDefault(EdgeDirectionDefault.UNDIRECTED); // Force UNDIRECTED
// Append imported data to GraphAPI
importController.process(container, new DefaultProcessor(), workspace);
} catch (Exception ex) {
ex.printStackTrace();
} finally {
if (container != null) System.out.println(container.getReport().getText());
}
// See if graph is well imported
UndirectedGraph graph = graphModel.getUndirectedGraph();
System.out.println("Nodes: " + graph.getNodeCount());
System.out.println("Edges: " + graph.getEdgeCount());
// Layout - 100 Yifan Hu passes
// YifanHuLayout layout = new YifanHuLayout(null, new StepDisplacement(1f));
// layout.setGraphModel(graphModel);
// layout.resetPropertiesValues();
// layout.initAlgo();
// for (int i = 0; i < 100 && layout.canAlgo(); i++) {
// layout.goAlgo();
// }
// layout.endAlgo();
}
