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From kennknowles <>
Subject [GitHub] incubator-beam pull request #1217: [BEAM-27] Add setTimer and deleteTimer by...
Date Fri, 28 Oct 2016 13:39:53 GMT
GitHub user kennknowles opened a pull request:

    [BEAM-27] Add setTimer and deleteTimer by ID in TimerInternals

    Be sure to do all of the following to help us incorporate your contribution
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    I have pulled this commit out of my ongoing work to add timers to `DoFn`, specifically
my branch where I add `DoFnInvoker.invokeOnTimer(<id>, ...)`.
    For users, timers will have IDs. This is a step towards that API. I think it is also just
better in most ways, especially for being able to delete timers without having to know exactly
when it was set for.
    Before this change, a timer's ID is its `TimeDomain` + `Instant`. Inlining `TimerData`
for this description, I think `setTimer(TimeDomain, Instant)` is OK for setting an anonymous
"wake up" as we use it today, while `deleteTimer(TimeDomain, Instant)` should be removed.
    R: @tgroh and @aljoscha and @amitsela 
    I am curious about runner-specific thoughts if you have any.

You can merge this pull request into a Git repository by running:

    $ git pull TimerInternals

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1217
commit 932cb20e64199942369376748faabae548f72df4
Author: Kenneth Knowles <>
Date:   2016-10-25T19:28:14Z

    Add setTimer and deleteTimer by ID in TimerInternals
    For users, timers will have IDs. This is a step towards
    that API; our current API treats the timer's timestamp
    as its ID, more-or-less. We can leave that API or not. This
    change adds the more general API.


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