Re: Help with Extending a class

Lew <lew@lewscanon.nospam>
Mon, 18 Jun 2007 15:32:56 -0400
KDawg44 wrote:

Another question... I need to do two way communication on my
implementation. I need my client to call methods at the server
(works) and then I need my server to respond and call methods at the
client. What I don't understand is how to do the naming lookup at the
server side?

Disclaimer: There are bound to be other folks with a different take on your
question than mine, possibly better. "YMMV", etc.

Whenever possible I recommend not having both sides be initiators of a call.
You have to do so much dancing to handle it that it's not usually worth it.
It's almost always much better to have a client be the client and a server be
the server, never the roles to switch. Only the client should initiate
service calls; the server should only respond.

What is the client doing while waiting for the server to call back?

If you want a simulation of asynchronous RMI calls, spawn a client thread to
call for the result and wait for the reply. Have it asynchronously signal
your primary thread when the result is ready.

Why do you feel the need for server calls to the client? Perhaps by stepping
to a wider outlook we can perceive a simpler solution to a desirable result
based on different premises.


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