Java Code Examples for org.springframework.web.servlet.mvc.method.annotation.SseEmitter#onTimeout()

The following examples show how to use org.springframework.web.servlet.mvc.method.annotation.SseEmitter#onTimeout() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ServerSentEventsController.java    From mirrorgate with Apache License 2.0 7 votes vote down vote up 
@GetMapping(value = "/emitter/{dashboardId}")
public SseEmitter serverSideEmitter(final @PathVariable String dashboardId) throws IOException {

    LOG.info("Creating SseEmitter for dashboard {}", dashboardId);

    final SseEmitter sseEmitter = new NotCachedSseEmitter();

    sseEmitter.onCompletion(() -> {
        handler.removeFromSessionsMap(sseEmitter, dashboardId);
        sseEmitter.complete();
    });

    sseEmitter.onTimeout(() -> {
        handler.removeFromSessionsMap(sseEmitter, dashboardId);
        sseEmitter.complete();
    });

    handler.addToSessionsMap(sseEmitter, dashboardId);

    sseEmitter.send(SseEmitter.event().reconnectTime(0L));

    return sseEmitter;
}
Example 2
Source File: SseEventBus.java    From sse-eventbus with Apache License 2.0 6 votes vote down vote up 
/**
 * Creates a {@link SseEmitter} and registers the client in the internal database.
 * Client will be subscribed to the provided events if specified.
 * @param clientId unique client identifier
 * @param timeout timeout value in milliseconds
 * @param unsubscribe if true unsubscribes from all events that are not provided with
 * the next parameter
 * @param events events the client wants to subscribe
 * @return a new SseEmitter instance
 */
public SseEmitter createSseEmitter(String clientId, Long timeout, boolean unsubscribe,
		boolean completeAfterMessage, String... events) {
	SseEmitter emitter = new SseEmitter(timeout);
	emitter.onTimeout(emitter::complete);
	registerClient(clientId, emitter, completeAfterMessage);

	if (events != null && events.length > 0) {
		if (unsubscribe) {
			unsubscribeFromAllEvents(clientId, events);
		}
		for (String event : events) {
			subscribe(clientId, event);
		}
	}

	return emitter;
}
Example 3
Source File: TemperatureController.java    From Hands-On-Reactive-Programming-in-Spring-5 with MIT License 5 votes vote down vote up 
@RequestMapping(value = "/temperature-stream", method = RequestMethod.GET)
public SseEmitter events(HttpServletRequest request) {
   log.info("SSE stream opened for client: " + request.getRemoteAddr());
   SseEmitter emitter = new SseEmitter(SSE_SESSION_TIMEOUT);
   clients.add(emitter);

   // Remove SseEmitter from active clients on error or client disconnect
   emitter.onTimeout(() -> clients.remove(emitter));
   emitter.onCompletion(() -> clients.remove(emitter));

   return emitter;
}
Example 4
Source File: RealTimeStatusController.java    From zhcet-web with Apache License 2.0 5 votes vote down vote up 
@GetMapping("/management/task/sse/{id}")
public SseEmitter realTimeSse(@PathVariable String id) {
    SseEmitter emitter = new SseEmitter(TIMEOUT);

    RealTimeStatus status = realTimeStatusService.get(id);

    Consumer<RealTimeStatus> consumer = statusChange -> {
        try {
            emitter.send(statusChange);
        } catch (IOException e) {
            log.error("Error sending event", e);
            emitter.complete();
        }
    };

    Runnable completeListener = emitter::complete;

    Runnable onComplete = () -> {
        status.removeChangeListener(consumer);
        status.removeStopListener(completeListener);
    };

    status.addChangeListener(consumer);
    status.onStop(completeListener);

    emitter.onCompletion(onComplete);
    emitter.onTimeout(onComplete);
    consumer.accept(status);

    if (status.isInvalid() || status.isFailed() || status.isFinished())
        emitter.complete();

    return emitter;
}