@Autowired
ExecutorService executor;
@Autowired
- StateRepository stateRepository;
- @Autowired
PollIntervalAwareConsumerRebalanceListener rebalanceListener;
@Autowired
RecordHandler<K, V> recordHandler;
void seekToEnd()
{
offsetConsumer.assign(partitions());
+ offsetConsumer.seekToEnd(partitions());
partitions().forEach(tp ->
{
+ // seekToEnd() works lazily: it only takes effect on poll()/position()
Long offset = offsetConsumer.position(tp);
log.info("New position for {}: {}", tp, offset);
- Integer partition = tp.partition();
- StateDocument document =
- stateRepository
- .findById(partition.toString())
- .orElse(new StateDocument(partition));
- document.offset = offset;
- stateRepository.save(document);
});
+ // The new positions must be commited!
+ offsetConsumer.commitSync();
offsetConsumer.unsubscribe();
}
void doForCurrentOffsets(BiConsumer<TopicPartition, Long> consumer)
{
- partitions().forEach(tp ->
- {
- String partition = Integer.toString(tp.partition());
- Optional<Long> offset = stateRepository.findById(partition).map(document -> document.offset);
- consumer.accept(tp, offset.orElse(0l));
- });
+ offsetConsumer.assign(partitions());
+ partitions().forEach(tp -> consumer.accept(tp, offsetConsumer.position(tp)));
+ offsetConsumer.unsubscribe();
}
List<TopicPartition> partitions()