internal StreamAction Append(DocumentSessionBase session, string stream, params object[] events)
{
EnsureAsStringStorage(session);
if (session.UnitOfWork.TryFindStream(stream, out var eventStream))
{
eventStream.AddEvents(events);
}
else
{
eventStream = StreamAction.Append(stream, events);
session.UnitOfWork.Streams.Add(eventStream);
}
return(eventStream);
}
internal StreamAction StartStream(DocumentSessionBase session, Guid id, params object[] events)
{
EnsureAsGuidStorage(session);
if (id == Guid.Empty)
{
throw new ArgumentOutOfRangeException(nameof(id), "Cannot use an empty Guid as the stream id");
}
var stream = StreamAction.Start(this, id, events);
session.WorkTracker.Streams.Add(stream);
return(stream);
}
internal StreamAction StartStream(DocumentSessionBase session, string streamKey, params object[] events)
{
EnsureAsStringStorage(session);
if (streamKey.IsEmpty())
{
throw new ArgumentOutOfRangeException(nameof(streamKey), "The stream key cannot be null or empty");
}
var stream = StreamAction.Start(this, streamKey, events);
session.WorkTracker.Streams.Add(stream);
return(stream);
}
internal StreamAction StartEmptyStream(DocumentSessionBase session, string key, params object[] events)
{
EnsureAsStringStorage(session);
if (key.IsEmpty())
{
throw new ArgumentOutOfRangeException(nameof(key), "Cannot use an empty or null string as the stream key");
}
var stream = new StreamAction(key, StreamActionType.Start);
session.WorkTracker.Streams.Add(stream);
return(stream);
}
internal StreamAction Append(DocumentSessionBase session, string stream, params object[] events)
{
EnsureAsStringStorage(session);
var wrapped = events.Select(BuildEvent).ToArray();
if (session.WorkTracker.TryFindStream(stream, out var eventStream))
{
eventStream.AddEvents(wrapped);
}
else
{
eventStream = StreamAction.Append(stream, wrapped);
session.WorkTracker.Streams.Add(eventStream);
}
return(eventStream);
}
internal bool TryCreateTombstoneBatch(DocumentSessionBase session, out UpdateBatch batch)
{
if (session.UnitOfWork.Streams.Any())
{
var stream = StreamAction.ForTombstone();
var tombstone = new Tombstone();
var mapping = EventMappingFor <Tombstone>();
var operations = new List <IStorageOperation>();
var storage = session.EventStorage();
var dotNetTypeName = DotnetTypeNameFor(typeof(Tombstone));
operations.Add(_establishTombstone.Value);
var tombstones = session.UnitOfWork.Streams
.SelectMany(x => x.Events)
.Select(x => new Event <Tombstone>(tombstone)
{
Sequence = x.Sequence,
Version = x.Version,
TenantId = x.TenantId,
StreamId = EstablishTombstoneStream.StreamId,
StreamKey = EstablishTombstoneStream.StreamKey,
Id = CombGuidIdGeneration.NewGuid(),
EventTypeName = mapping.EventTypeName,
DotNetTypeName = dotNetTypeName
})
.Select(e => storage.AppendEvent(this, session, stream, e));
operations.AddRange(tombstones);
batch = new UpdateBatch(operations);
return(true);
}
batch = null;
return(false);
}
internal StreamAction Append(DocumentSessionBase session, Guid stream, params object[] events)
{
EnsureAsGuidStorage(session);
if (stream == Guid.Empty)
{
throw new ArgumentOutOfRangeException(nameof(stream), "Cannot use an empty Guid as the stream id");
}
var wrapped = events.Select(BuildEvent).ToArray();
if (session.WorkTracker.TryFindStream(stream, out var eventStream))
{
eventStream.AddEvents(wrapped);
}
else
{
eventStream = StreamAction.Append(stream, wrapped);
session.WorkTracker.Streams.Add(eventStream);
}
return(eventStream);
}
internal StreamAction Append(DocumentSessionBase session, string stream, params object[] events)
{
EnsureAsStringStorage(session);
if (stream.IsEmpty())
{
throw new ArgumentOutOfRangeException(nameof(stream), "The stream key cannot be null or empty");
}
var wrapped = events.Select(BuildEvent).ToArray();
if (session.WorkTracker.TryFindStream(stream, out var eventStream))
{
eventStream.AddEvents(wrapped);
}
else
{
eventStream = StreamAction.Append(stream, wrapped);
session.WorkTracker.Streams.Add(eventStream);
}
return(eventStream);
}
public abstract IStorageOperation UpdateStreamVersion(StreamAction stream);
public abstract IQueryHandler <StreamState> QueryForStream(StreamAction stream);
public abstract IStorageOperation InsertStream(StreamAction stream);
public abstract IStorageOperation AppendEvent(EventGraph events, IMartenSession session, StreamAction stream, IEvent e);
public Task <StreamState> FetchStreamStateAsync(Guid streamId, CancellationToken token = default)
{
var handler = eventStorage().QueryForStream(StreamAction.ForReference(streamId, _tenant.TenantId));
return(_session.ExecuteHandlerAsync(handler, token));
}
public StreamState FetchStreamState(Guid streamId)
{
var handler = eventStorage().QueryForStream(StreamAction.ForReference(streamId, _tenant.TenantId));
return(_session.ExecuteHandler(handler));
}
public override Marten.Internal.Operations.IStorageOperation AppendEvent(Marten.Events.EventGraph events, Marten.Internal.IMartenSession session, Marten.Events.StreamAction stream, Marten.Events.IEvent e)
{
return(new Marten.Generated.EventStore.AppendEventOperation(stream, e));
}
public override Marten.Internal.Operations.IStorageOperation InsertStream(Marten.Events.StreamAction stream)
{
return(new Marten.Generated.EventStore.GeneratedInsertStream(stream));
}
public GeneratedInsertStream(Marten.Events.StreamAction stream) : base(stream)
{
_stream = stream;
}
public StreamState FetchStreamState(string streamKey)
{
var handler = _tenant.EventStorage().QueryForStream(StreamAction.ForReference(streamKey, _tenant));
return(_session.ExecuteHandler(handler));
}
public GeneratedStreamVersionOperation(Marten.Events.StreamAction stream) : base(stream)
{
_stream = stream;
}
public override Marten.Linq.QueryHandlers.IQueryHandler <Marten.Events.StreamState> QueryForStream(Marten.Events.StreamAction stream)
{
return(new Marten.Generated.EventStore.GeneratedStreamStateQueryHandler(stream.Id));
}
public override Marten.Internal.Operations.IStorageOperation UpdateStreamVersion(Marten.Events.StreamAction stream)
{
return(new Marten.Generated.EventStore.GeneratedStreamVersionOperation(stream));
}
public Task <StreamState> FetchStreamStateAsync(string streamKey, CancellationToken token = new CancellationToken())
{
var handler = _tenant.EventStorage().QueryForStream(StreamAction.ForReference(streamKey, _tenant));
return(_session.ExecuteHandlerAsync(handler, token));
}
public AppendEventOperation(Marten.Events.StreamAction stream, Marten.Events.IEvent e) : base(stream, e)
{
_stream = stream;
_e = e;
}
