cmccabe commented on a change in pull request #10184:
URL: https://github.com/apache/kafka/pull/10184#discussion_r586739230
##########
File path:
metadata/src/main/java/org/apache/kafka/controller/ReplicationControlManager.java
##########
@@ -541,6 +575,64 @@ static void validateNewTopicNames(Map<String, ApiError>
topicErrors,
return configChanges;
}
+ Map<String, ResultOrError<Uuid>> findTopicIds(long offset,
Collection<String> names) {
+ Map<String, ResultOrError<Uuid>> results = new HashMap<>();
+ for (String name : names) {
+ if (name == null) {
+ results.put(null, new ResultOrError<>(INVALID_REQUEST,
"Invalid null topic name."));
+ } else {
+ Uuid id = topicsByName.get(name, offset);
+ if (id == null) {
+ results.put(name, new ResultOrError<>(
+ new ApiError(UNKNOWN_TOPIC_OR_PARTITION)));
+ } else {
+ results.put(name, new ResultOrError<>(id));
+ }
+ }
+ }
+ return results;
+ }
+
+ Map<Uuid, ResultOrError<String>> findTopicNames(long offset,
Collection<Uuid> ids) {
+ Map<Uuid, ResultOrError<String>> results = new HashMap<>();
+ for (Uuid id : ids) {
+ TopicControlInfo topic = topics.get(id, offset);
+ if (topic == null) {
+ results.put(id, new ResultOrError<>(new
ApiError(UNKNOWN_TOPIC_ID)));
+ } else {
+ results.put(id, new ResultOrError<>(topic.name));
+ }
+ }
+ return results;
+ }
+
+ ControllerResult<Map<Uuid, ApiError>> deleteTopics(Collection<Uuid> ids) {
+ Map<Uuid, ApiError> results = new HashMap<>();
+ List<ApiMessageAndVersion> records = new ArrayList<>();
+ for (Uuid id : ids) {
+ try {
+ deleteTopic(id, records);
+ results.put(id, ApiError.NONE);
+ } catch (ApiException e) {
+ results.put(id, ApiError.fromThrowable(e));
+ } catch (Exception e) {
+ log.error("Unexpected deleteTopics error for {}", id, e);
+ results.put(id, ApiError.fromThrowable(e));
+ }
+ }
+ return new ControllerResult<>(records, results);
+ }
+
+ void deleteTopic(Uuid id, List<ApiMessageAndVersion> records) {
+ TopicControlInfo topic = topics.get(id);
+ if (topic == null) {
+ throw new UnknownTopicIdException(UNKNOWN_TOPIC_ID.message());
+ }
+ configurationControl.deleteTopicConfigs(topic.name);
Review comment:
you're right, this should happen only in replay, not here
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