lhotari commented on a change in pull request #14687:
URL: https://github.com/apache/pulsar/pull/14687#discussion_r826657831
##########
File path:
pulsar-client/src/main/java/org/apache/pulsar/client/impl/ConsumerImpl.java
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@@ -1916,20 +1916,20 @@ protected void completeOpBatchReceive(OpBatchReceive<T>
op) {
if (messageIds == null || messageIds.isEmpty()) {
return CompletableFuture.completedFuture(Collections.emptyList());
}
- List<MessageIdData> data = new ArrayList<>(messageIds.size());
- List<CompletableFuture<Void>> futures = new
ArrayList<>(messageIds.size());
- messageIds.forEach(messageId -> {
+ List<CompletableFuture<MessageIdData>> futures =
messageIds.stream().map(messageId -> {
CompletableFuture<Boolean> future =
processPossibleToDLQ(messageId);
- futures.add(future.thenAccept(sendToDLQ -> {
+ return future.thenApply(sendToDLQ -> {
if (!sendToDLQ) {
- data.add(new MessageIdData()
+ return new MessageIdData()
.setPartition(messageId.getPartitionIndex())
.setLedgerId(messageId.getLedgerId())
- .setEntryId(messageId.getEntryId()));
+ .setEntryId(messageId.getEntryId());
}
- }));
- });
- return FutureUtil.waitForAll(futures).thenCompose(v ->
CompletableFuture.completedFuture(data));
+ return null;
+ });
+ }).collect(Collectors.toList());
+ return FutureUtil.waitForAll(futures).thenApply(v ->
+
futures.stream().map(CompletableFuture::join).filter(Objects::nonNull).collect(Collectors.toList()));
Review comment:
`CompletableFuture::join` blocks.
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