Package org.jboss.errai.bus.server.api

Examples of org.jboss.errai.bus.server.api.MessageQueue.messagesWaiting()

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                    context = createCometContext(httpServletRequest.getSession().getId());

                final ReflectorCometHandler handler = new ReflectorCometHandler(true);
                context.addCometHandler(handler);

                if (!queue.messagesWaiting()) {
                    queue.setActivationCallback(new QueueActivationCallback() {
                        public void activate(MessageQueue queue) {
                            queue.setActivationCallback(null);
                            context.resumeCometHandler(handler);
                            try {
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                                // Should never get here
                            }
                        }
                    });

                    if (!queue.messagesWaiting()) {
                        context.setExpirationDelay(45 * 1000);
                    }
                } else {
                    queue.setActivationCallback(null);
                }
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            synchronized (queue) {
                if (wait) {
                    final Continuation cont = ContinuationSupport.getContinuation(httpServletRequest, queue);

                    if (!queue.messagesWaiting()) {

                        queue.setActivationCallback(new QueueActivationCallback() {
                            public void activate(MessageQueue queue) {
                                queue.setActivationCallback(null);
                                cont.resume();
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                                queue.setActivationCallback(null);
                                cont.resume();
                            }
                        });

                        if (!queue.messagesWaiting()) {
                            cont.suspend(45 * 1000);
                        }
                    } else {
                        queue.setActivationCallback(null);
                    }
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                        if (post) {
                            // do not pause incoming messages.
                            break;
                        } else if (queue.messagesWaiting()) {
                            transmitMessages(event.getHttpServletResponse(), queue);
                            event.close();
                            break;
                        }
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                synchronized (activeEvents) {

                    if (post) {
                        // do not pause incoming messages.
                        break;
                    } else if (queue.messagesWaiting()) {
                        transmitMessages(event.getHttpServletResponse(), queue);
                        event.close();
                        break;
                    }
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      if (wait) {
        synchronized (queue.getActivationLock()) {
          final Continuation cont = ContinuationSupport.getContinuation(httpServletRequest, queue);

          if (!cont.isResumed() && !queue.messagesWaiting()) {
            queue.setActivationCallback(new JettyQueueActivationCallback(cont));
            if (cont.suspend(30 * 1000)) {
              return;
            }
          }
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      synchronized (queue) {
        if (wait) {
          final Continuation cont = ContinuationSupport.getContinuation(httpServletRequest, queue);

          if (!queue.messagesWaiting()) {

            queue.setActivationCallback(new JettyQueueActivationCallback(cont));

            if (!queue.messagesWaiting()) {
              cont.suspend(45 * 1000);
 
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          if (!queue.messagesWaiting()) {

            queue.setActivationCallback(new JettyQueueActivationCallback(cont));

            if (!queue.messagesWaiting()) {
              cont.suspend(45 * 1000);
            }
          }
          else {
            queue.setActivationCallback(null);
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        public void onStartAsync(final AsyncEvent event) throws IOException {
        }
      });

    synchronized (queue.getActivationLock()) {
      if (queue.messagesWaiting()) {
        try {
          queue.poll(new OutputStreamWriteAdapter(asyncContext.getResponse().getOutputStream()));
          asyncContext.complete();
        }
        catch(IOException ioe) {
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