public void stopAction() {
   collecting = false;
   jsonDataCollector.getListeners().stream().forEach(RecordListener::stop);
   toggleButtons();
   jsonDataCollector.getListeners().stream().forEach(s -> s.dump("Data"));
   startButton.setDefaultButton(true);
   stopButton.setDefaultButton(false);
 }
 public void startAction() {
   collecting = true;
   jsonDataCollector.getListeners().stream().forEach(RecordListener::start);
   startButton.setDefaultButton(false);
   stopButton.setDefaultButton(true);
   toggleButtons();
   // todo must be killed by stop action
   new Thread(
           () -> {
             while (collecting) {
               hub.run(100);
             }
             System.out.println("collecting = " + collecting);
           })
       .start();
 }
  public void connectMyo() {
    try {

      LOGGER.info("Connecting to Myo");
      updateMyoStatus("Attempting to find a Myo...");
      Myo myo = hub.waitForMyo(10000);

      if (myo == null) {
        LOGGER.error("Unable to connect to Myo");
        throw new RuntimeException("Unable to find a Myo!");
      }

      myo.setStreamEmg(StreamEmgType.STREAM_EMG_ENABLED);
      LOGGER.info("EMG Stream enabled");
      updateMyoStatus("Connected to a Myo armband!");

      jsonDataCollector = new JsonDataCollector();
      jsonDataCollector.addListsner(new FileMyoDataCollector("c:\\tmp\\myo"));
      jsonDataCollector.addListsner(new SocketServerCollector());

      hub.addListener(jsonDataCollector);
      LOGGER.info("Listener added");

      indicatorMyo.setIndicatorStyle(SimpleIndicator.IndicatorStyle.GREEN);
      startButton.setDisable(false);
      startButton.setDefaultButton(true);

      Task<ObservableList<String>> task =
          new Task<ObservableList<String>>() {
            @Override
            protected ObservableList<String> call() throws Exception {

              while (true) {
                List<RecordListener> collect =
                    jsonDataCollector
                        .getListeners()
                        .stream()
                        .filter(s -> s instanceof SocketServerCollector)
                        .collect(Collectors.toList());
                List<String> connections =
                    collect
                        .stream()
                        .map(s -> ((SocketServerCollector) s).channels)
                        .flatMap(c -> c.stream().map(f -> mapRemoteAddress(f)))
                        .collect(Collectors.toList());
                updateValue(FXCollections.observableList(connections));
                Thread.sleep(10);
              }
            }
          };

      Task<Boolean> booleanTask =
          new Task<Boolean>() {
            @Override
            protected Boolean call() throws Exception {
              while (true) {
                List<RecordListener> collect =
                    jsonDataCollector
                        .getListeners()
                        .stream()
                        .filter(s -> s instanceof SocketServerCollector)
                        .collect(Collectors.toList());
                long count =
                    collect
                        .stream()
                        .map(s -> ((SocketServerCollector) s).channels)
                        .flatMap(Collection::stream)
                        .filter(AsynchronousSocketChannel::isOpen)
                        .count();
                updateValue(count > 0 ? Boolean.TRUE : Boolean.FALSE);
                Thread.sleep(10);
              }
            }
          };

      Task<SimpleIndicator.IndicatorStyle> stringTask =
          new Task<SimpleIndicator.IndicatorStyle>() {

            @Override
            protected SimpleIndicator.IndicatorStyle call() throws Exception {
              while (true) {
                List<RecordListener> collect =
                    jsonDataCollector
                        .getListeners()
                        .stream()
                        .filter(s -> s instanceof SocketServerCollector)
                        .collect(Collectors.toList());
                long count =
                    collect
                        .stream()
                        .map(s -> ((SocketServerCollector) s).channels)
                        .flatMap(Collection::stream)
                        .filter(AsynchronousSocketChannel::isOpen)
                        .count();

                updateValue(
                    count > 0
                        ? SimpleIndicator.IndicatorStyle.RED
                        : SimpleIndicator.IndicatorStyle.GREEN);
                Thread.sleep(10);
              }
            }
          };

      inboundConnections.itemsProperty().bind(task.valueProperty());
      indicatorServer.onProperty().bind(booleanTask.valueProperty());
      //            try {
      //                indicatorServer.indicatorStyleProperty().bind(stringTask.valueProperty());
      //            } catch (Throwable e) {
      //                //??Throws a null ppointer but it works??
      //            }

      Thread thread = new Thread(task);
      thread.setDaemon(true);
      thread.start();

      Thread thread2 = new Thread(booleanTask);
      thread2.setDaemon(true);
      thread2.start();

      Thread thread3 = new Thread(stringTask);
      thread3.setDaemon(true);
      thread3.start();

    } catch (Exception e) {
      e.printStackTrace();
      updateMyoStatus("Error: " + e.getMessage());
    }
  }