[appengine-java] How can I get list of all the which are users currently logged in?

[Yoav Levy]

Hi,

I would to broadcast massage to all users currently logged in the 
application by changing the method below. How can I get the list of those 
users?

public static void sendC2DMUpdate(String message) {
        UserService userService = UserServiceFactory.getUserService();
        User user = userService.getCurrentUser();
        ServletContext context = 
RequestFactoryServlet.getThreadLocalRequest().getSession().getServletContext();
        SendMessage.sendMessage(context, user.getEmail(), message);
}

Thanks!


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