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https://issues.apache.org/jira/browse/FLINK-9470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16493667#comment-16493667
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ASF GitHub Bot commented on FLINK-9470:
---------------------------------------
Github user kl0u commented on a diff in the pull request:
https://github.com/apache/flink/pull/6097#discussion_r191460316
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/api/operators/KeyedProcessOperatorTest.java
---
@@ -50,6 +52,30 @@
@Rule
public ExpectedException expectedException = ExpectedException.none();
+ @Test
+ public void testKeyQuerying() throws Exception {
+
+ KeyedProcessOperator<Integer, Tuple2<Integer, String>, String>
operator =
--- End diff --
The `OneInputStreamOperatorTestHarness` is `AutoCloseable` so I would
recommend to go with
```
try(harness=...) {
...
}
```
And remove the explicit call to `harness.close()`. This is a nice practice
to start enforcing in new tests as it cleans up any leaks in case of exceptions
and stuff.
> Allow querying the key in KeyedProcessFunction
> ----------------------------------------------
>
> Key: FLINK-9470
> URL: https://issues.apache.org/jira/browse/FLINK-9470
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
> Priority: Major
> Fix For: 1.6.0
>
>
> {{KeyedProcessFunction.OnTimerContext}} allows querying the key of the firing
> timer while {{KeyedProcessFunction.Context}} does not allow querying the key
> of the event we're currently processing.
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