public ICommit Commit(CommitAttempt attempt)
{
Logger.Debug(Messages.AttemptingToCommit, attempt.Events.Count, attempt.StreamId, attempt.CommitSequence, attempt.BucketId);
try
{
return(TryExecute(() =>
{
var doc = attempt.ToDocumentCommit(this.Serializer);
var collection = this.EnsureCollection(this.Options.CommitCollectionName).Result;
var document = this.Client.CreateDocumentAsync(collection.SelfLink, doc).Result;
Logger.Debug(Messages.CommitPersisted, attempt.CommitId, attempt.BucketId);
SaveStreamHead(attempt.ToDocumentStreamHead());
return doc.ToCommit(this.Serializer);
}));
}
catch (Microsoft.Azure.Documents.DocumentClientException) // TODO: verify actual exception
{
DocumentCommit savedCommit = LoadSavedCommit(attempt);
if (savedCommit.CommitId == attempt.CommitId)
{
throw new DuplicateCommitException();
}
Logger.Debug(Messages.ConcurrentWriteDetected);
throw new ConcurrencyException();
}
}
public static ICommit ToCommit(this DocumentCommit commit, IDocumentSerializer serializer)
{
return(new Commit(
commit.BucketId,
commit.StreamId,
commit.StreamRevision,
commit.CommitId,
commit.CommitSequence,
commit.CommitStamp,
commit.CheckpointNumber.ToString(CultureInfo.InvariantCulture),
commit.Headers,
serializer.Deserialize <IList <EventMessage> >(commit.Payload)
));
}
