mas-chen commented on code in PR #19654:
URL: https://github.com/apache/flink/pull/19654#discussion_r931679580
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flink-connectors/flink-connector-base/src/main/java/org/apache/flink/connector/base/source/hybrid/HybridSourceSplitEnumerator.java:
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@@ -355,7 +355,8 @@ public Map<Integer, ReaderInfo> registeredReaders() {
private Map<Integer, ReaderInfo> filterRegisteredReaders(Map<Integer,
ReaderInfo> readers) {
Map<Integer, ReaderInfo> readersForSource = new
HashMap<>(readers.size());
for (Map.Entry<Integer, ReaderInfo> e : readers.entrySet()) {
- if (readerSourceIndex.get(e.getKey()) == (Integer)
sourceIndex) {
+ // readerSourceIndex get value could be null
Review Comment:
You can simplify it as:
readerSourceIndex.get(e.getKey())).equals(sourceIndex)
There are other instances where we should use `.equals` instead of `==`.
e.g.
https://github.com/apache/flink/blob/5c87b69b5300e8678629aa8b769d60ec2fdbf3d1/flink-connectors/flink-connector-base/src/main/java/org/apache/flink/connector/base/source/hybrid/HybridSourceSplitEnumerator.java#L167
Can you do another pass here and fix the relevant spots in the code?
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