public static interface AprSocketContext.NonBlockingPollHandler
extends AprSocketContext.BlockingPollHandler

Additional callbacks for non-blocking. This can be much faster - but it's harder to code, should be used only for low-level protocol implementation, proxies, etc. The model is restricted in many ways to avoid complexity and bugs: - read can only happen in the IO thread associated with the poller - user doesn't control poll interest - it is set automatically based on read/write results - it is only possible to suspend read, for TCP flow control - also only from the IO thread. Resume can happen from any thread. - it is also possible to call write() from any thread