import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
+import org.apache.kafka.clients.consumer.ConsumerRebalanceListener;
import org.apache.kafka.common.TopicPartition;
+import org.springframework.kafka.listener.ConsumerAwareRebalanceListener;
-import java.time.Clock;
-import java.time.Duration;
-import java.time.Instant;
import java.util.*;
@RequiredArgsConstructor
@Slf4j
-public class ApplicationRebalanceListener implements PollIntervalAwareConsumerRebalanceListener
+public class ApplicationRebalanceListener implements ConsumerAwareRebalanceListener
{
private final ApplicationRecordHandler recordHandler;
private final AdderResults adderResults;
private final StateRepository stateRepository;
private final String id;
- private final Clock clock;
- private final Duration commitInterval;
private final Set<Integer> partitions = new HashSet<>();
- private Instant lastCommit = Instant.EPOCH;
-
@Override
public void onPartitionsAssigned(Collection<TopicPartition> partitions)
{
stateRepository.save(new StateDocument(partition, state, results));
});
}
-
-
- @Override
- public void beforeNextPoll()
- {
- if (lastCommit.plus(commitInterval).isBefore(clock.instant()))
- {
- log.debug("Storing data, last commit: {}", lastCommit);
- partitions.forEach(partition -> stateRepository.save(
- new StateDocument(
- partition,
- recordHandler.getState(partition).getState(),
- adderResults.getState(partition))));
- lastCommit = clock.instant();
- }
- }
}