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https://issues.apache.org/jira/browse/BEAM-4681?focusedWorklogId=163998&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-163998
]
ASF GitHub Bot logged work on BEAM-4681:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Nov/18 17:55
Start Date: 08/Nov/18 17:55
Worklog Time Spent: 10m
Work Description: mxm commented on a change in pull request #6981:
[BEAM-4681] Add support for portable timers in Flink streaming mode
URL: https://github.com/apache/beam/pull/6981#discussion_r231999511
##########
File path:
runners/flink/src/main/java/org/apache/beam/runners/flink/translation/wrappers/streaming/ExecutableStageDoFnOperator.java
##########
@@ -359,16 +543,82 @@ public void finishBundle() {
emitResults();
} catch (Exception e) {
throw new RuntimeException("Failed to finish remote bundle", e);
+ } finally {
+ remoteBundle = null;
+ }
+ if (bundleFinishedCallback != null) {
+ bundleFinishedCallback.run();
+ bundleFinishedCallback = null;
}
}
+ boolean isBundleInProgress() {
+ return remoteBundle != null;
+ }
+
+ void setBundleFinishedCallback(Runnable callback) {
+ this.bundleFinishedCallback = callback;
+ }
+
private void emitResults() {
KV<String, OutputT> result;
while ((result = outputQueue.poll()) != null) {
- outputManager.output(outputMap.get(result.getKey()), (WindowedValue)
result.getValue());
+ final String inputCollectionId = result.getKey();
+ TupleTag<?> tag = outputMap.get(inputCollectionId);
+ WindowedValue windowedValue =
+ Preconditions.checkNotNull(
+ (WindowedValue) result.getValue(),
+ "Received a null value from the SDK harness for %s",
+ inputCollectionId);
+ if (tag != null) {
+ // process regular elements
+ outputManager.output(tag, windowedValue);
+ } else {
+ // process timer elements
+ // TODO This is ugly. There should be an easier way to retrieve the
+ String timerPCollectionId =
+ inputCollectionId.substring(0, inputCollectionId.length() -
".out:0".length());
+ TimerReference timerReference =
timerReferenceMap.get(timerPCollectionId);
+ if (timerReference != null) {
+ Timer timer =
+ Preconditions.checkNotNull(
+ (Timer) ((KV) windowedValue.getValue()).getValue(),
+ "Received null Timer from SDK harness: %s",
+ windowedValue);
+ LOG.info("Timer received: {} {}", inputCollectionId, timer);
Review comment:
Log level should be changed to `debug`.
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Issue Time Tracking
-------------------
Worklog Id: (was: 163998)
Time Spent: 50m (was: 40m)
> Integrate support for timers using the portability APIs into Flink
> ------------------------------------------------------------------
>
> Key: BEAM-4681
> URL: https://issues.apache.org/jira/browse/BEAM-4681
> Project: Beam
> Issue Type: Sub-task
> Components: runner-flink
> Reporter: Luke Cwik
> Assignee: Maximilian Michels
> Priority: Major
> Labels: portability, portability-flink
> Time Spent: 50m
> Remaining Estimate: 0h
>
> Consider using the code produced in BEAM-4658 to support timers.
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