Package javax.servlet

Examples of javax.servlet.AsyncContext.start()

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            @Override
            protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
            {
                final AsyncContext asyncContext = req.startAsync(req, resp);
                asyncContext.setTimeout(2000);
                asyncContext.start(new Runnable()
                {
                    public void run()
                    {
                        try
                        {
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            {
                DispatcherType dispatcherType = req.getDispatcherType();
                if (DispatcherType.REQUEST == dispatcherType)
                {
                    final AsyncContext asyncContext = req.startAsync(req, resp);
                    asyncContext.start(new Runnable()
                    {
                        public void run()
                        {
                            try
                            {
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  private void write(final CometServletResponseImpl response, final CometSessionImpl session) {
    assert Thread.holdsLock(response);
    if (!session.isEmpty()) {
      final AsyncContext asyncContext = (AsyncContext) response.getSuspendInfo();
      asyncContext.start(new Runnable() {
        @Override
        public void run() {
          synchronized (response) {
            try {
              session.writeQueue(response, true);
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            catch (IOException e) {
              log("Error writing session messages");
            }
           
            if (!session.isEmpty()) {
              asyncContext.start(this);
            }
          }
        }
      });
    }
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            final AsyncContext asyncContext =
                request.startAsync(request, response);

            asyncContext.addListener(new TrackingListener(false, false, null));

            asyncContext.start(new Runnable() {

                @Override
                public void run() {
                    try {
                        Thread.sleep(THREAD_SLEEP_TIME);
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        @Override
        protected void doGet(HttpServletRequest req,
                final HttpServletResponse resp)
                throws ServletException, IOException {
            final AsyncContext ctx = req.startAsync();
            ctx.start(new Runnable() {
                @Override
                public void run() {
                    try {
                        Thread.sleep(THREAD_SLEEP_TIME);
                        resp.setHeader("A", "xyz");
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                throws ServletException, IOException {

            final AsyncContext actxt = req.startAsync();
            actxt.setTimeout(TIMEOUT);
            if (threaded) {
                actxt.start(new Runnable() {
                    @Override
                    public void run() {
                        try {
                            HttpServletResponse resp =
                                    (HttpServletResponse) actxt.getResponse();
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            final AsyncContext async = req.startAsync();

            // Should be async at this point
            isAsyncWhenExpected = isAsyncWhenExpected && req.isAsyncStarted();

            async.start(new Runnable() {

                @Override
                public void run() {
                    // This should be delayed until the original container
                    // thread exists
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     * @param response
     */
    @RequestMapping("/async")
    public void asynch(HttpServletRequest request, HttpServletResponse response) {
        final AsyncContext async = request.startAsync();
        async.start(new Runnable() {
            public void run() {
                Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
                try {
                    final HttpServletResponse asyncResponse = (HttpServletResponse) async.getResponse();
                    asyncResponse.setStatus(HttpServletResponse.SC_OK);
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        //2、设置超时时间，如果不设置如jetty是30000L
        asyncContext.setTimeout(10L * 1000);
        //3、告诉容器分派一个新的线程执行异步任务
        //这种方式的缺点就是可能和请求用同一个线程池，不推荐这种做法；从本质上讲和同步没啥区别（都要占用一个服务器线程）
        //不过如果请求压力较小，可以使用这种方法（因为有超时设置，可以防止一直不响应）
        asyncContext.start(new Runnable() {
            @Override
            public void run() {
                try {
                    Thread.sleep(3L * 1000);
                    PrintWriter out = asyncContext.getResponse().getWriter();
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