public virtual ICommit Commit(CommitAttempt attempt)
{
Logger.Debug(Messages.AttemptingToCommit, attempt.Events.Count, attempt.StreamId, attempt.CommitSequence, attempt.BucketId);
try
{
return(TryRaven(() =>
{
var doc = attempt.ToRavenCommit(_serializer);
using (TransactionScope scope = OpenCommandScope())
using (IDocumentSession session = _store.OpenSession())
{
session.Advanced.UseOptimisticConcurrency = true;
session.Store(doc);
session.SaveChanges();
scope.Complete();
}
Logger.Debug(Messages.CommitPersisted, attempt.CommitId, attempt.BucketId);
SaveStreamHead(attempt.ToRavenStreamHead());
return doc.ToCommit(_serializer);
}));
}
catch (Raven.Abstractions.Exceptions.ConcurrencyException)
{
RavenCommit savedCommit = LoadSavedCommit(attempt);
if (savedCommit.CommitId == attempt.CommitId)
{
throw new DuplicateCommitException();
}
Logger.Debug(Messages.ConcurrentWriteDetected);
throw new ConcurrencyException();
}
}
public static ICommit ToCommit(this RavenCommit commit, IDocumentSerializer serializer)
{
return(new Commit(
commit.BucketId,
commit.StreamId,
commit.StreamRevision,
commit.CommitId,
commit.CommitSequence,
commit.CommitStamp,
null,
commit.Headers,
serializer.Deserialize <List <EventMessage> >(commit.Payload)));
}
public static ICommit ToCommit(this RavenCommit 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)
));
}
