Github user maochf commented on a diff in the pull request:
https://github.com/apache/twill/pull/16#discussion_r94558457
--- Diff:
twill-core/src/main/java/org/apache/twill/internal/kafka/client/SimpleKafkaConsumer.java
---
@@ -273,17 +274,19 @@ private MessageCallback wrapCallback(final
MessageCallback callback,
final AtomicBoolean stopped = new AtomicBoolean();
return new MessageCallback() {
@Override
- public void onReceived(final Iterator<FetchedMessage> messages) {
+ public long onReceived(final Iterator<FetchedMessage> messages) {
if (stopped.get()) {
- return;
+ return Long.MIN_VALUE;
--- End diff --
Maybe to pass an `AtomicLong` to this method, and it contains the initial
offset and can be set to the next offset? Just realized this is probably an
implementation detail in `SimpleKafkaConsumer` and is not general enough to be
done in the interface.
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