zhuzhurk commented on code in PR #25366:
URL: https://github.com/apache/flink/pull/25366#discussion_r1799346500
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flink-runtime/src/main/java/org/apache/flink/streaming/api/graph/util/ChainedOperatorHashInfo.java:
##########
@@ -32,7 +36,7 @@ public final class ChainedOperatorHashInfo {
final byte[] generatedOperatorId,
final byte[] userDefinedOperatorId,
final StreamNode streamNode) {
- this.generatedOperatorId = generatedOperatorId;
+ this.generatedOperatorId = checkNotNull(generatedOperatorId);
this.userDefinedOperatorId = userDefinedOperatorId;
Review Comment:
should be annotated with `@Nullable`
##########
flink-runtime/src/main/java/org/apache/flink/streaming/api/graph/util/ChainedOperatorHashInfo.java:
##########
@@ -32,7 +36,7 @@ public final class ChainedOperatorHashInfo {
final byte[] generatedOperatorId,
final byte[] userDefinedOperatorId,
final StreamNode streamNode) {
- this.generatedOperatorId = generatedOperatorId;
+ this.generatedOperatorId = checkNotNull(generatedOperatorId);
this.userDefinedOperatorId = userDefinedOperatorId;
this.streamNode = streamNode;
Review Comment:
checkNotNull
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