wirybeaver commented on code in PR #15203:
URL: https://github.com/apache/pinot/pull/15203#discussion_r2096603298
##########
pinot-broker/src/main/java/org/apache/pinot/broker/routing/instanceselector/BaseInstanceSelector.java:
##########
@@ -88,6 +93,7 @@ abstract class BaseInstanceSelector implements
InstanceSelector {
final ZkHelixPropertyStore<ZNRecord> _propertyStore;
final BrokerMetrics _brokerMetrics;
final AdaptiveServerSelector _adaptiveServerSelector;
+ final PriorityGroupInstanceSelector _priorityGroupInstanceSelector;
Review Comment:
Usually the `@Nullable` is added in the constructor or return function.
AdaptiveSeverSelector is marked as `@Nullable` in the constructor. Adding
`@Nullable` on top of the member field for PriorityGroupInstanceSelector looks
an inconsistent code pattern, which further likely leave the wrong impression
that the Nullable of PriorityGroupInstanceSelector and AdaptiveSelector is
independent.
For your reference:
```
_priorityGroupInstanceSelector = _adaptiveServerSelector == null ? null :
new PriorityGroupInstanceSelector(
_adaptiveServerSelector);
```
```
public PriorityGroupInstanceSelector(AdaptiveServerSelector
adaptiveServerSelector) {
assert adaptiveServerSelector != null;
_adaptiveServerSelector = adaptiveServerSelector;
}
```
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