GitHub user dguy opened a pull request: https://github.com/apache/kafka/pull/3809
KAFKA-5853: implement WindowedKStream Add the `WindowedKStream` interface and implementation of methods that don't require `Materialized` You can merge this pull request into a Git repository by running: $ git pull https://github.com/dguy/kafka kgrouped-stream-windowed-by Alternatively you can review and apply these changes as the patch at: https://github.com/apache/kafka/pull/3809.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3809 ---- commit 78b99500f40eb31644f88e0effcaea6cfba0a3d0 Author: Damian Guy <damian....@gmail.com> Date: 2017-09-07T15:54:38Z implement WindowedKStream ---- ---