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https://issues.apache.org/jira/browse/BEAM-12931?focusedWorklogId=670951&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-670951
]
ASF GitHub Bot logged work on BEAM-12931:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 27/Oct/21 18:34
Start Date: 27/Oct/21 18:34
Worklog Time Spent: 10m
Work Description: laraschmidt commented on a change in pull request
#15540:
URL: https://github.com/apache/beam/pull/15540#discussion_r737743322
##########
File path:
runners/core-java/src/test/java/org/apache/beam/runners/core/SimpleDoFnRunnerTest.java
##########
@@ -472,6 +663,37 @@ public Duration getAllowedTimestampSkew() {
}
}
+ /**
+ * A {@link DoFn} that creates/sets a timer with an output timestamp equal
to the input timestamp
+ * minus the input element's value. Keys are ignored but required for timers.
+ */
+ private static class TimerSkewingDoFn extends DoFn<KV<String, Duration>,
Duration> {
+ static final String TIMER_ID = "testTimerId";
+ private final Duration allowedSkew;
+
+ @TimerId(TIMER_ID)
+ private static final TimerSpec timer =
TimerSpecs.timer(TimeDomain.PROCESSING_TIME);
+
+ private TimerSkewingDoFn(Duration allowedSkew) {
+ this.allowedSkew = allowedSkew;
+ }
+
+ @ProcessElement
+ public void processElement(ProcessContext context, @TimerId(TIMER_ID)
Timer timer) {
+ timer
+
.withOutputTimestamp(context.timestamp().minus(context.element().getValue()))
+ .set(new Instant(0));
+ }
+
+ @OnTimer(TIMER_ID)
+ public void onTimer() {}
Review comment:
talked offline and fixed it so it properly handles this case.
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Issue Time Tracking
-------------------
Worklog Id: (was: 670951)
Time Spent: 4h 40m (was: 4.5h)
> Timer.setOutputTimestamp doesn't take into account for
> DoFn#getAllowedTimestampSkew()
> -------------------------------------------------------------------------------------
>
> Key: BEAM-12931
> URL: https://issues.apache.org/jira/browse/BEAM-12931
> Project: Beam
> Issue Type: Bug
> Components: beam-model
> Reporter: Lara Schmidt
> Assignee: Lara Schmidt
> Priority: P2
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> A DoFn may emit elements with a timestamp up to
> DoFn#getAllowedTimestampSkew() before the current element's timestamp.
> However getAllowedTimestampSkew is not properly accounted for in looking at
> the output timestamp of a timer.
> Context:
> [https://lists.apache.org/thread.html/r7554658114ddde86c5d82e1c39fe7e1ef587fe926b8e406d1130d501%40%3Cdev.beam.apache.org%3E]
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