public static BsonDocument ToEmptyCommit(this CommitAttempt commit, Int64 checkpoint, String systemBucketName)
{
if (commit == null)
{
throw new ArgumentNullException(nameof(commit));
}
if (String.IsNullOrWhiteSpace(systemBucketName))
{
throw new ArgumentNullException(nameof(systemBucketName));
}
int streamRevisionStart = commit.StreamRevision - (commit.Events.Count - 1);
var mc = new MongoCommit
{
CheckpointNumber = checkpoint,
CommitId = commit.CommitId,
CommitStamp = commit.CommitStamp,
Headers = new Dictionary <String, Object>(),
Events = new BsonArray(Array.Empty <object>()),
StreamRevisionFrom = 0,
StreamRevisionTo = 0,
BucketId = systemBucketName,
StreamId = systemBucketName + ".empty." + checkpoint,
CommitSequence = 1
};
return(mc.ToBsonDocument());
}
public static BsonDocument ToMongoCommit(this CommitAttempt commit, Int64 checkpoint, IDocumentSerializer serializer)
{
int streamRevision = commit.StreamRevision - (commit.Events.Count - 1);
int streamRevisionStart = streamRevision;
IEnumerable <BsonDocument> events = commit
.Events
.Select(e =>
new BsonDocument
{
{ MongoCommitFields.StreamRevision, streamRevision++ },
{ MongoCommitFields.Payload, BsonDocumentWrapper.Create(typeof(EventMessage), serializer.Serialize(e)) }
});
var mc = new MongoCommit
{
CheckpointNumber = checkpoint,
CommitId = commit.CommitId,
CommitStamp = commit.CommitStamp,
Headers = commit.Headers,
Events = new BsonArray(events),
StreamRevisionFrom = streamRevisionStart,
StreamRevisionTo = streamRevision - 1,
BucketId = commit.BucketId,
StreamId = commit.StreamId,
CommitSequence = commit.CommitSequence
};
return(mc.ToBsonDocument());
}