ijuma commented on a change in pull request #10184:
URL: https://github.com/apache/kafka/pull/10184#discussion_r582266116
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File path: core/src/main/scala/kafka/server/ControllerApis.scala
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@@ -195,6 +198,61 @@ class ControllerApis(val requestChannel: RequestChannel,
requestThrottleMs => createResponseCallback(requestThrottleMs))
}
+ def handleDeleteTopics(request: RequestChannel.Request): Unit = {
+ if (!config.deleteTopicEnable) {
+ if (request.context.apiVersion() < 3) {
+ throw new InvalidRequestException("Topic deletion is disabled.")
+ } else {
+ throw new TopicDeletionDisabledException()
+ }
+ }
+ val deleteTopicsRequest = request.body[DeleteTopicsRequest]
+ val nameToId = new mutable.HashMap[String, Uuid]
+ deleteTopicsRequest.data().topicNames().iterator().asScala.foreach {
+ name => nameToId.put(name, Uuid.ZERO_UUID)
+ }
+ deleteTopicsRequest.data().topics().iterator().asScala.foreach {
+ nameAndId => nameToId.put(nameAndId.name(), nameAndId.topicId())
+ }
+ val (describable, deletable) = {
+ if (authHelper.authorize(request.context, DELETE, CLUSTER,
CLUSTER_NAME)) {
+ (nameToId.keySet, nameToId.keySet)
+ } else {
+ val authorizedDescribeTopics: Set[String] =
authHelper.filterByAuthorized(
+ request.context, DESCRIBE, TOPIC, nameToId.keys)(n => n)
+ val authorizedDeleteTopics: Set[String] =
authHelper.filterByAuthorized(
+ request.context, DELETE, TOPIC, nameToId.keys)(n => n)
+ (authorizedDescribeTopics, authorizedDeleteTopics)
+ }
+ }
+ def sendResponse(response: DeleteTopicsResponseData): Unit = {
+ nameToId.keysIterator.foreach {
Review comment:
There is no copy when using foreach (both Java or Scala versions). And
Scala lambdas are automatically converted to Java lambdas.
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