Technoboy- commented on code in PR #16355:
URL: https://github.com/apache/pulsar/pull/16355#discussion_r914580254
##########
pulsar-broker/src/main/java/org/apache/pulsar/broker/admin/impl/PersistentTopicsBase.java:
##########
@@ -2070,126 +2072,94 @@ protected void internalResetCursor(AsyncResponse
asyncResponse, String subName,
TopicName topicNamePartition =
topicName.getPartition(i);
try {
pulsar().getAdminClient().topics()
-
.resetCursorAsync(topicNamePartition.toString(),
- subName, timestamp).handle((r, ex)
-> {
- if (ex != null) {
- if (ex instanceof
PreconditionFailedException) {
- // throw the last exception if all
partitions get this error
- // any other exception on partition is
reported back to user
- failureCount.incrementAndGet();
- partitionException.set(ex);
- } else {
- log.warn("[{}] [{}] Failed to reset
cursor on subscription {} to time {}",
+
.resetCursorAsync(topicNamePartition.toString(),
+ subName, timestamp).handle((r, ex) -> {
+ if (ex != null) {
+ if (ex instanceof
PreconditionFailedException) {
+ // throw the last exception if all
partitions get this error
+ // any other exception on
partition is reported back to user
+ failureCount.incrementAndGet();
+ partitionException.set(ex);
+ } else {
+ log.warn("[{}] [{}] Failed to
reset cursor on subscription {} to time {}",
clientAppId(),
topicNamePartition, subName, timestamp, ex);
- future.completeExceptionally(ex);
- return null;
+ future.completeExceptionally(ex);
+ return null;
+ }
}
- }
- if (count.decrementAndGet() == 0) {
- future.complete(null);
- }
+ if (count.decrementAndGet() == 0) {
+ future.complete(null);
+ }
- return null;
- });
+ return null;
+ });
} catch (Exception e) {
log.warn("[{}] [{}] Failed to reset cursor on
subscription {} to time {}", clientAppId(),
- topicNamePartition, subName, timestamp, e);
+ topicNamePartition, subName, timestamp, e);
future.completeExceptionally(e);
}
}
- future.whenComplete((r, ex) -> {
+ return future.whenComplete((r, ex) -> {
if (ex != null) {
if (ex instanceof PulsarAdminException) {
- asyncResponse.resume(new
RestException((PulsarAdminException) ex));
- return;
+ throw new RestException((PulsarAdminException)
ex);
} else {
- asyncResponse.resume(new RestException(ex));
- return;
+ throw new RestException(ex);
}
}
// report an error to user if unable to reset for all
partitions
if (failureCount.get() == numPartitions) {
log.warn("[{}] [{}] Failed to reset cursor on
subscription {} to time {}",
- clientAppId(), topicName,
- subName, timestamp,
partitionException.get());
- asyncResponse.resume(
- new
RestException(Status.PRECONDITION_FAILED,
-
partitionException.get().getMessage()));
- return;
+ clientAppId(), topicName,
+ subName, timestamp, partitionException.get());
+ throw new
RestException(Status.PRECONDITION_FAILED,
partitionException.get().getMessage());
} else if (failureCount.get() > 0) {
log.warn("[{}] [{}] Partial errors for reset
cursor on subscription {} to time {}",
- clientAppId(), topicName, subName,
timestamp, partitionException.get());
+ clientAppId(), topicName, subName, timestamp,
partitionException.get());
}
-
- asyncResponse.resume(Response.noContent().build());
});
} else {
- internalResetCursorForNonPartitionedTopic(asyncResponse,
subName, timestamp, authoritative);
- }
- }).exceptionally(ex -> {
- // If the exception is not redirect exception we need to log
it.
- if (!isRedirectException(ex)) {
- log.error("[{}] Failed to expire messages for all
subscription on topic {}",
- clientAppId(), topicName, ex);
+ return internalResetCursorForNonPartitionedTopic(subName,
timestamp, authoritative);
}
- resumeAsyncResponseExceptionally(asyncResponse, ex);
- return null;
});
- }
}
- private void internalResetCursorForNonPartitionedTopic(AsyncResponse
asyncResponse, String subName, long timestamp,
+ private CompletableFuture<Void>
internalResetCursorForNonPartitionedTopic(String subName, long timestamp,
boolean authoritative) {
- try {
- validateTopicOwnership(topicName, authoritative);
- validateTopicOperation(topicName, TopicOperation.RESET_CURSOR,
subName);
-
- log.info("[{}] [{}] Received reset cursor on subscription {} to
time {}",
+ return validateTopicOwnershipAsync(topicName, authoritative)
+ .thenCompose(__ -> validateTopicOperationAsync(topicName,
TopicOperation.RESET_CURSOR, subName))
+ .thenCompose(__ -> {
+ log.info("[{}] [{}] Received reset cursor on subscription {}
to time {}",
clientAppId(), topicName, subName, timestamp);
-
- PersistentTopic topic = (PersistentTopic)
getTopicReference(topicName);
- if (topic == null) {
- asyncResponse.resume(new RestException(Status.NOT_FOUND,
- getTopicNotFoundErrorMessage(topicName.toString())));
- return;
- }
- PersistentSubscription sub = topic.getSubscription(subName);
- if (sub == null) {
- asyncResponse.resume(new RestException(Status.NOT_FOUND,
- getSubNotFoundErrorMessage(topicName.toString(),
subName)));
- return;
- }
- sub.resetCursor(timestamp).thenRun(() -> {
- log.info("[{}][{}] Reset cursor on subscription {} to time
{}", clientAppId(), topicName, subName,
- timestamp);
- asyncResponse.resume(Response.noContent().build());
- }).exceptionally(ex -> {
+ return getTopicReferenceAsync(topicName);
+ })
Review Comment:
Missing `if (topic == null) {`
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