@Autowired
ExecutorService executor;
@Autowired
+ StateRepository stateRepository;
+ @Autowired
MongoClient mongoClient;
@Autowired
MongoProperties mongoProperties;
/** Tests methods */
@Test
- void commitsCurrentOffsetsOnSuccess()
+ void commitsCurrentOffsetsOnSuccess() throws Exception
{
int numberOfGeneratedMessages =
recordGenerator.generate(false, false, messageSender);
.isThrownBy(() -> endlessConsumer.exitStatus())
.describedAs("Consumer should still be running");
+ endlessConsumer.stop();
recordGenerator.assertBusinessLogic();
}
Long expected = offsetsToCheck.get(tp) + 1;
log.debug("Checking, if the offset {} for {} is at most {}", offset, tp, expected);
assertThat(offset)
- .describedAs("Committed offset corresponds to the offset of the consumer")
+ .describedAs("Committed offset must be at most equal to the offset of the consumer")
.isLessThanOrEqualTo(expected);
isOffsetBehindSeen.add(offset < expected);
});
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)
{
- offsetConsumer.assign(partitions());
- partitions().forEach(tp -> consumer.accept(tp, offsetConsumer.position(tp)));
- offsetConsumer.unsubscribe();
+ 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));
+ });
}
List<TopicPartition> partitions()
{
try
{
- endlessConsumer.stop();
testRecordProducer.close();
offsetConsumer.close();
}