public void OnPartitionsAssignedResetOffset(KafkaPartitionsAssignedEvent message)
{
// Always skip to the end of each partition
message.Partitions = message.Partitions
.Select(
topicPartitionOffset =>
new TopicPartitionOffset(
topicPartitionOffset.TopicPartition,
Offset.End))
.ToList();
}
private IEnumerable <TopicPartitionOffset> OnPartitionsAssigned(
KafkaConsumer ownerConsumer,
IConsumer <byte[]?, byte[]?> consumer,
List <TopicPartition> partitions)
{
partitions.ForEach(
partition =>
{
_logger.LogInformation(
KafkaEventIds.PartitionsAssigned,
"Assigned partition {topic} {partition}, member id: {memberId}",
partition.Topic,
partition.Partition,
consumer.MemberId);
});
var partitionsAssignedEvent = new KafkaPartitionsAssignedEvent(partitions, consumer.MemberId);
CreateScopeAndPublishEvent(partitionsAssignedEvent);
foreach (var topicPartitionOffset in partitionsAssignedEvent.Partitions)
{
if (topicPartitionOffset.Offset != Offset.Unset)
{
_logger.LogDebug(
KafkaEventIds.PartitionOffsetReset,
"{topic} {partition} offset will be reset to {offset}.",
topicPartitionOffset.Topic,
topicPartitionOffset.Partition,
topicPartitionOffset.Offset);
}
}
ownerConsumer.OnPartitionsAssigned(
partitionsAssignedEvent.Partitions.Select(
topicPartitionOffset =>
topicPartitionOffset.TopicPartition).ToList());
return(partitionsAssignedEvent.Partitions);
}
public void OnPartitionsAssigned(KafkaPartitionsAssignedEvent message) =>
_logger.LogInformation(
"KafkaPartitionsAssignedEvent received: {count} partitions have been assigned ({partitions})",
message.Partitions.Count,
string.Join(", ", message.Partitions.Select(partition => partition.TopicPartition.ToString())));
