How to use org.kie.server.controller.websocket.notification

  @Override
  public NotificationService getNotificationService() {
    return WebSocketNotificationService.getInstance();
  }
}

@Override
public void notify(final ServerInstanceDeleted serverInstanceDeleted) {
  LOGGER.info("WebSocket notify on instance deleted :: {}",
        serverInstanceDeleted);
  notifySessions(serverInstanceDeleted);
}

private void notifySessions(final KieServerControllerEvent event) {
  final KieServerControllerNotification notification = new KieServerControllerNotification(event);
  LOGGER.debug("Sending notification to all Web Socket sessions");
  manager.broadcastObject(notification);
}

@Test
public void testSessionCleanUp() {
  manager.addSession(session);
  assertTrue(manager.getExecutorsBySession().containsKey(session));
  manager.removeSession(session);
  assertFalse(manager.getExecutorsBySession().containsKey(session));
}

@Test
public void testBroadcast() throws Exception {
  final RemoteEndpoint.Basic endpoint = mock(RemoteEndpoint.Basic.class);
  when(session.getBasicRemote()).thenReturn(endpoint);
  when(session.isOpen()).thenReturn(true);
  manager.addSession(session);
  final KieServerControllerNotification notification = new KieServerControllerNotification();
  manager.broadcastObject(notification);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(notification);
}

@Before
public void setUp() {
  when(session.getId()).thenReturn("id");
  when(session.getBasicRemote()).thenReturn(endpoint);
  when(session.isOpen()).thenReturn(true);
  WebSocketNotificationSessionManager.getInstance().addSession(session);
}

@Test
public void testServerInstanceDisconnected() throws Exception {
  final ServerInstanceDisconnected event = new ServerInstanceDisconnected("serverId");
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

@OnOpen
public void onNotificationClientConnect(final Session session) {
  LOGGER.debug("New Web Socket Notification Client session: {}",
         session.getId());
  manager.addSession(session);
}

@OnClose
public void onNotificationClientDisconnect(final Session session,
                     final CloseReason closeReason) {
  LOGGER.debug("Web Socket Notification Client session: {}, disconnected, reason: {}",
         session.getId(),
         closeReason);
  manager.removeSession(session);
}

@Override
public void notify(final ServerTemplateDeleted serverTemplateDeleted) {
  LOGGER.info("WebSocket notify on deleted :: {}",
        serverTemplateDeleted);
  notifySessions(serverTemplateDeleted);
}

@Test
public void testServerInstanceDeleted() throws Exception {
  final ServerInstanceDeleted event = new ServerInstanceDeleted("serverId");
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

@Override
public void notify(final ServerInstanceConnected serverInstanceConnected) {
  LOGGER.info("WebSocket notify on instance connected :: {}",
        serverInstanceConnected);
  notifySessions(serverInstanceConnected);
}

@Test
public void testServerTemplateDeleted() throws Exception {
  final ServerTemplateDeleted event = new ServerTemplateDeleted("serverTemplateId");
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

  @Override
  public void notify(final ServerInstanceDisconnected serverInstanceDisconnected) {
    LOGGER.info("WebSocket notify on instance disconnected :: {}",
          serverInstanceDisconnected);
    notifySessions(serverInstanceDisconnected);
  }
}

@Test
public void testServerTemplateUpdated() throws Exception {
  final ServerTemplateUpdated event = new ServerTemplateUpdated(new ServerTemplate());
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

@Override
public void notify(final ServerInstanceUpdated serverInstanceUpdated) {
  LOGGER.info("WebSocket notify on instance updated :: {}",
        serverInstanceUpdated);
  notifySessions(serverInstanceUpdated);
}

@Test
public void testServerInstanceConnected() throws Exception {
  final ServerInstanceConnected event = new ServerInstanceConnected(new ServerInstance());
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

@Override
public void notify(final ServerTemplateUpdated serverTemplateUpdated) {
  LOGGER.info("WebSocket notify on updated :: {}",
        serverTemplateUpdated);
  notifySessions(serverTemplateUpdated);
}

@Test
public void testServerInstanceUpdated() throws Exception {
  final ServerInstanceUpdated event = new ServerInstanceUpdated(new ServerInstance());
  notificationService.notify(event);
  verify(endpoint,
      timeout(TIMEOUT)).sendObject(new KieServerControllerNotification(event));
}

@Override
public void notify(final ServerTemplate serverTemplate,
          final ContainerSpec containerSpec,
          final List<Container> containers) {
  LOGGER.info("WebSocket notification about change requested on server {} with container spec {} with following result {}",
        serverTemplate,
        containerSpec,
        containers);
  notifySessions(new ContainerSpecUpdated(serverTemplate,
                      containerSpec,
                      containers));
}