import java.time.Clock;
import java.time.Duration;
import java.time.Instant;
-import java.util.Collection;
-import java.util.Map;
+import java.util.*;
@RequiredArgsConstructor
public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRebalanceListener
{
private final ApplicationRecordHandler recordHandler;
+ private final AdderResults adderResults;
private final StateRepository stateRepository;
private final String id;
private final String topic;
private final Duration commitInterval;
private final Consumer<String, String> consumer;
+ private final Set<Integer> partitions = new HashSet<>();
+
private Instant lastCommit = Instant.EPOCH;
private boolean commitsEnabled = true;
partitions.forEach(tp ->
{
Integer partition = tp.partition();
+ this.partitions.add(partition);
StateDocument document =
stateRepository
.findById(Integer.toString(partition))
consumer.seek(tp, document.offset);
}
recordHandler.addPartition(partition, document.state);
+ adderResults.addPartition(partition, document.results);
});
}
partitions.forEach(tp ->
{
Integer partition = tp.partition();
+ this.partitions.remove(partition);
Long offset = consumer.position(tp);
log.info(
"{} - removing partition: {}, offset of next message {})",
offset);
if (commitsEnabled)
{
- Map<String, Long> removed = recordHandler.removePartition(partition);
- stateRepository.save(new StateDocument(partition, removed, offset));
+ Map<String, AdderResult> state = recordHandler.removePartition(partition);
+ Map<String, List<AdderResult>> results = adderResults.removePartition(partition);
+ stateRepository.save(new StateDocument(partition, state, results, offset));
}
else
{
if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
{
log.debug("Storing data and offsets, last commit: {}", lastCommit);
- recordHandler.getState().forEach((partiton, adder) -> stateRepository.save(
+ partitions.forEach(partition -> stateRepository.save(
new StateDocument(
- partiton,
- adder.getState(),
- consumer.position(new TopicPartition(topic, partiton)))));
+ partition,
+ recordHandler.getState(partition).getState(),
+ adderResults.getState(partition),
+ consumer.position(new TopicPartition(topic, partition)))));
lastCommit = clock.instant();
}
}