From: Shing Wai Chan <shing.wai.chan_at_oracle.com>
Date: Tue, 15 Sep 2015 10:36:46 -0700

GW> Here is Doug Lea's proposal to include Flows (aka Reactive Streams) in
GW> Java-9:
GW>
GW> http://cs.oswego.edu/pipermail/concurrency-interest/2015-January/013641.html
GW> I've not seen much discussion on its inclusion or not, so currently I'm
GW> assuming it is going in.

The reactive stream class Flow and SubmissionPublisher have been checkin
to JDK 9 workspace.
See https://bugs.openjdk.java.net/browse/JDK-8132960

Shing Wai Chan