pnowojski commented on a change in pull request #7051: [FLINK-10820][network]
Simplify the RebalancePartitioner implementation
URL: https://github.com/apache/flink/pull/7051#discussion_r233823309
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/partitioner/RebalancePartitioner.java
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@@ -33,29 +33,18 @@
public class RebalancePartitioner<T> extends StreamPartitioner<T> {
private static final long serialVersionUID = 1L;
- private final int[] returnArray = {Integer.MAX_VALUE - 1};
+ private final int[] returnArray = { -1 };
Review comment:
Thanks for looking into it @zhijiangW :)
I think that adding an extra boolean flag is not necessary. It would be nice
to add a `checkState(someConditionThatEnsuresSelectorWasInitialized)`, but not
strictly speaking necessary as long as it's tested.
I don't think that we need `numChannels` in the `selectChannels()` method. I
might be wrong, but I guess it was just a hack to workaround the lack of
initialization. After all doesn't the `numChannels` always come from
`RecordWriter`'s final field
```
private final int numChannels;
```
?
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