Hello,
I realized a simple chat within my chess application:
When the user posts something, the posting is sent to the server and the
chat view on the client side is updated.
But when another user posts something, the user's view is not updated
automatically.
I wonder how to realize an automatic update. From the server's point of
view it chould be realized like this:
Whenever *some* user sends a posting, do the following:
{
List<User> l = getAllUsersThatAreCurrentlyLoggedIn();
for (User u:l)
notifyClientOfUser(u);
}
However, I do not know how and where to start and how to realize the
methods used above.
How can I determine the users who need to be notified?
How can I send the notification to the users? I have access to the user's
session data, but how can I make a call, where do I have to define the
service methods and where does the call come out within the client?
Thanks
Magnus
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