Fokko commented on code in PR #8819:
URL: https://github.com/apache/iceberg/pull/8819#discussion_r1357327064
##########
flink/v1.17/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/DataStatisticsCoordinator.java:
##########
@@ -340,7 +340,7 @@ private void unregisterSubtaskGateway(int subtaskIndex, int
attemptNumber) {
private OperatorCoordinator.SubtaskGateway getSubtaskGateway(int
subtaskIndex) {
Preconditions.checkState(
- gateways[subtaskIndex].size() > 0,
+ !gateways[subtaskIndex].isEmpty(),
Review Comment:
```suggestion
!gateways[subtaskIndex].isEmpty(),
```
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