/** * Called after the framework has handled a request and the response has * been written. * * @param request * The request object * @param response * The response object * @param session * The session which was used during the request or null if the * request did not use a session */ public void requestEnd(VaadinRequest request, VaadinResponse response, VaadinSession session) { if (session != null) { assert VaadinSession.getCurrent() == session; session.lock(); try { cleanupSession(session); final long duration = (System.nanoTime() - (Long) request .getAttribute(REQUEST_START_TIME_ATTRIBUTE)) / 1000000; session.setLastRequestDuration(duration); } finally { session.unlock(); } } CurrentInstance.clearAll(); }