import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
-import org.apache.kafka.clients.consumer.Consumer;
+import org.apache.kafka.clients.consumer.ConsumerRebalanceListener;
import org.apache.kafka.common.TopicPartition;
+import org.springframework.kafka.listener.ConsumerAwareRebalanceListener;
import java.util.*;
@RequiredArgsConstructor
@Slf4j
-public class ApplicationRebalanceListener implements CommittingConsumerRebalanceListener
+public class ApplicationRebalanceListener implements ConsumerAwareRebalanceListener
{
private final ApplicationRecordHandler recordHandler;
private final AdderResults adderResults;
private final StateRepository stateRepository;
private final String id;
- private final Consumer consumer;
private final Set<Integer> partitions = new HashSet<>();
- private boolean commitsEnabled = true;
-
@Override
public void onPartitionsAssigned(Collection<TopicPartition> partitions)
{
@Override
public void onPartitionsRevoked(Collection<TopicPartition> partitions)
{
- if (commitsEnabled)
- {
- log.info("{} - Commiting offsets for all previously assigned partitions", id);
- try
- {
- consumer.commitSync();
- }
- catch (Exception e)
- {
- log.warn("{} - Could not commit offsets in onPartitionsRevoked():", id, e);
- }
- }
-
partitions.forEach(tp ->
{
Integer partition = tp.partition();
stateRepository.save(new StateDocument(partition, state, results));
});
}
-
- @Override
- public void enableCommits()
- {
- commitsEnabled = true;
- }
-
- @Override
- public void disableCommits()
- {
- commitsEnabled = false;
- }
}