chia7712 commented on code in PR #19867:
URL: https://github.com/apache/kafka/pull/19867#discussion_r2152560647
##########
core/src/main/scala/kafka/server/ConfigHelper.scala:
##########
@@ -86,19 +81,34 @@ class ConfigHelper(metadataCache: MetadataCache, config:
KafkaConfig, configRepo
includeSynonyms: Boolean,
includeDocumentation: Boolean):
List[DescribeConfigsResponseData.DescribeConfigsResult] = {
resourceToConfigNames.map { resource =>
-
- def createResponseConfig(configs: Map[String, Any],
+ def createResponseConfig(configs: Any,
createConfigEntry: (String, Any) =>
DescribeConfigsResponseData.DescribeConfigsResourceResult):
DescribeConfigsResponseData.DescribeConfigsResult = {
- val filteredConfigPairs = if (resource.configurationKeys == null ||
resource.configurationKeys.isEmpty)
- configs.toBuffer
- else
- configs.filter { case (configName, _) =>
- resource.configurationKeys.asScala.contains(configName)
- }.toBuffer
+ val stream = configs match {
+ case c: AbstractConfig =>
+ val nonInternalStream = c.nonInternalValues.entrySet.stream()
+ val originalsFiltered = c.originals.entrySet.stream()
+ .filter(e =>
+ e.getValue != null &&
+ !c.nonInternalValues.containsKey(e.getKey) // exclude keys
already in nonInternalValues
Review Comment:
Perhaps we can move `nonInternalValues` out of the loop to avoid creating
many `nonInternalValues`s?
```scala
case c: AbstractConfig =>
val nonInternalValues = c.nonInternalValues
val originalsFiltered = c.originals.entrySet.stream()
.filter(e =>
e.getValue != null &&
!nonInternalValues.containsKey(e.getKey) // exclude keys
already in nonInternalValues
)
java.util.stream.Stream.concat(nonInternalValues.entrySet().stream(),
originalsFiltered)
```
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