Perhaps I have missed it, but as far as I can tell there is no up-to-date
reference for the Java zeromq bindings. But that's a minor issue as I can
RTFS...
This has been a source of annoyance:
public ZContext() {
context = null; // Don't create Context until create 1st 0MQ socket
sockets = new CopyOnWriteArrayList<Socket>();
ioThreads = 1;
linger = 0;
main = true;
}
I am not sure why the context is not created at this point, but it can cause
problems if you have an object which has callback hooks for
registering/unregistering the sockets on a Poller. I create my objects which
create their sockets and manage their connections, but I need to create a
Poller before that point whether I am passing in the Poller explicitly, or
referring to a global copy from an overridden method. Creating a socket and
then ditching it is a workaround, but is annoying and you have to have a loud
comment there so someone doesn't accidentally delete your obviously lame code
which is creating a socket then immediately closing it. I am proposing this
solution:
public Context getContext() {
if (isMain() && context == null)
context = ZMQ.context(ioThreads);
return context;
}
Of course if you want >1 thread you have to set that value before calling
createSocket() or getContext().
Cheers,
Peter
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