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Improve performance of JoinConfigCompatChecker (#30801)

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Dragisa Krsmanovic 2021-10-19 04:12:42 -07:00 • committed by GitHub
parent 70120060b8
commit d7fe31f3a8
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1 changed files with 10 additions and 13 deletions
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23
akka-cluster/src/main/scala/akka/cluster/JoinConfigCompatChecker.scala
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@ -4,8 +4,6 @@
package akka.cluster
import java.util
import scala.collection.{ immutable => im }
import com.typesafe.config.{ Config, ConfigFactory, ConfigValue }
@ -73,18 +71,18 @@ object JoinConfigCompatChecker {
toCheck: Config,
actualConfig: Config): ConfigValidation = {
def checkCompat(entry: util.Map.Entry[String, ConfigValue]) = {
val key = entry.getKey
actualConfig.hasPath(key) && actualConfig.getValue(key) == entry.getValue
def checkCompat(key: String, value: ConfigValue) = {
actualConfig.hasPath(key) && actualConfig.getValue(key) == value
}
// retrieve all incompatible keys
// NOTE: we only check the key if effectively required
// because config may contain more keys than required for this checker
val incompatibleKeys =
toCheck.entrySet().asScala.collect {
case entry if keys.contains(entry.getKey) && !checkCompat(entry) => s"${entry.getKey} is incompatible"
}
val incompatibleKeys = for {
key <- keys if toCheck.hasPath(key)
value = toCheck.getValue(key) if !checkCompat(key, value)
} yield s"$key is incompatible"
if (incompatibleKeys.isEmpty) Valid
else Invalid(incompatibleKeys.to(im.Seq))
@ -102,10 +100,9 @@ object JoinConfigCompatChecker {
@ccompatUsedUntil213
private[cluster] def filterWithKeys(requiredKeys: im.Seq[String], config: Config): Config = {
val filtered =
config.entrySet().asScala.collect {
case e if requiredKeys.contains(e.getKey) => (e.getKey, e.getValue)
}
val filtered = for {
key <- requiredKeys if config.hasPath(key)
} yield (key, config.getValue(key))
ConfigFactory.parseMap(filtered.toMap.asJava)
}