Re: [undertow-dev] Async APIs?
On Thu, 24 Oct 2019 at 01:23, Pavel Shirshov <pshirshov(a)gmail.com> wrote:
Hi guys,
Could you give me a hint if there is a way to write asynchronous handlers?
So, I have my own asynchronous runtime (namely ZIO) and I wish undertow's
worker thread to do something while it's waiting for request completion
after a `dispatch` in my handler.
Is there an API allowing me to return a Future or undertow's IOFuture so I
may write an adaptor for my primitives?..
From what I can see there is that zero-arg `.dispatch()` method which just
changes internal flag. So, from what I can understand I may just set that
flag and then complete my request totally asynchronously. Though that
method is marked deprecated without an alternative - other versions also
wait for a `Runnable`.
In general you should not used the no arg version of dispatch(), it has
been deprecated as it is not thread safe.
If you want to just dispatch some work to a worker using the version that
takes a runnable sounds like exactly what you are after, as it will run the
runnable in a worker thread.
Stuart
--
Thanks,
Pavel
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