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 java.util.*;
@RequiredArgsConstructor
@Slf4j
-public class ApplicationRebalanceListener implements ConsumerRebalanceListener
+public class ApplicationRebalanceListener implements CommittingConsumerRebalanceListener
{
private final ApplicationRecordHandler recordHandler;
private final AdderResults adderResults;
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)
{
- log.info("{} - Commiting offsets for all previously assigned partitions", id);
- try
- {
- consumer.commitSync();
- }
- catch (Exception e)
+ if (commitsEnabled)
{
- log.warn("{} - Could not commit offsets in onPartitionsRevoked():", id, e);
+ 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 ->
stateRepository.save(new StateDocument(partition, state, results));
});
}
+
+ @Override
+ public void enableCommits()
+ {
+ commitsEnabled = true;
+ }
+
+ @Override
+ public void disableCommits()
+ {
+ commitsEnabled = false;
+ }
}