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https://issues.apache.org/jira/browse/FLINK-6731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16083744#comment-16083744
]
ASF GitHub Bot commented on FLINK-6731:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/4295#discussion_r126908486
--- Diff:
flink-tests/src/test/java/org/apache/flink/test/checkpointing/RescalingITCase.java
---
@@ -1035,4 +1040,43 @@ public void restoreState(Integer state) throws
Exception {
counterPartitions.add(state);
}
}
+
+ /**
+ * Copied from io.netty.util.internal.ConcurrentSet.
+ *
+ * @param <E> the type of elements maintained by this set
+ */
+ private static final class ConcurrentSet<E> extends AbstractSet<E>
implements Serializable {
--- End diff --
You could also use `Collections.newSetFromMap(new HashMap<>())`
> Activate strict checkstyle for flink-tests
> ------------------------------------------
>
> Key: FLINK-6731
> URL: https://issues.apache.org/jira/browse/FLINK-6731
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Reporter: Chesnay Schepler
> Assignee: Greg Hogan
>
> Long term issue for incrementally introducing the strict checkstyle to
> flink-tests.
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