GitHub user jkff opened a pull request: https://github.com/apache/beam/pull/3921
Introduces Contextful machinery and uses it to add side input support to Watch For demonstration purposes, not ready for review yet. You can merge this pull request into a Git repository by running: $ git pull https://github.com/jkff/incubator-beam context-fn Alternatively you can review and apply these changes as the patch at: https://github.com/apache/beam/pull/3921.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 #3921 ---- commit 7d26739511962e3ca705f788e10f8dd34e99049c Author: Eugene Kirpichov <kirpic...@google.com> Date: 2017-09-25T20:57:04Z Introduces Contextful ---- ---