Пример #1
0
  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();

  }