/// <summary>
/// Adds committable offset to existing ones
/// </summary>
private ICommittableOffsetBatch UpdateWithOffset(ICommittableOffset committableOffset)
{
var partitionOffset = committableOffset.Offset;
var metadata = (committableOffset is ICommittableOffsetMetadata withMetadata) ? withMetadata.Metadata : string.Empty;
var newOffsets = OffsetsAndMetadata.SetItem(partitionOffset.GroupTopicPartition, new OffsetAndMetadata(partitionOffset.Offset, metadata));
var committer = committableOffset is CommittableOffset c
? c.Committer
: throw new ArgumentException($"Unknown committable offset, got {committableOffset.GetType().Name}, expected {nameof(committableOffset)}");
IImmutableDictionary <string, IInternalCommitter> newCommitters = ImmutableDictionary <string, IInternalCommitter> .Empty;
if (Committers.TryGetValue(partitionOffset.GroupId, out var groupCommitter))
{
if (!groupCommitter.Equals(committer))
{
throw new ArgumentException($"CommittableOffset {committableOffset} committer for groupId {partitionOffset.GroupId} " +
$"must be same as the other with this groupId.");
}
newCommitters = Committers;
}
else
{
newCommitters = Committers.SetItem(partitionOffset.GroupId, committer);
}
return(new CommittableOffsetBatch(newOffsets, newCommitters, BatchSize + 1));
}
/// <inheritdoc />
public async Task Commit()
{
if (Offsets.IsEmpty() || Committers.IsEmpty())
{
return;
}
await Committers.First().Value.Commit(this);
}
