public async Task <AppendResult> AppendToStream(
StreamId streamId,
int expectedVersion,
NewStreamMessage[] messages,
CancellationToken cancellationToken = new CancellationToken())
{
var span = _spanSource.Begin("stream-store." + nameof(AppendToStream), ServiceName, streamId, TypeName);
try
{
return(await _streamStore
.AppendToStream(
streamId,
expectedVersion,
messages,
cancellationToken));
}
catch (Exception ex)
{
span?.SetError(ex);
throw;
}
finally
{
span?.Dispose();
}
}
public async Task <AppendResult> AppendToStream(
StreamId streamId,
int expectedVersion,
NewStreamMessage[] messages,
CancellationToken cancellationToken = new CancellationToken())
=> await Trace(
nameof(AppendToStream),
streamId,
() => _streamStore.AppendToStream(streamId, expectedVersion, messages, cancellationToken));
public async Task Save(Loan loan)
{
var streamId = GetStreamId(loan.Id);
var events = loan.GetUncommittedEvents();
var expectedVersion = loan.Version - events.Length;
var eventStore = new MsSqlStreamStore(new MsSqlStreamStoreSettings("myconnectionString"));
var messages = events.Select(Serialize).ToArray();
await eventStore.AppendToStream(streamId, expectedVersion, messages);
loan.ClearUncommittedEvents();
}