public async Task WriteEvents(String bucket, String stream, Int32 expectedVersion, IEnumerable <IWritableEvent> events, IDictionary <String, String> commitHeaders)
{
Logger.DebugFormat("Writing {0} events to stream id '{1}'. Expected version: {2}", events.Count(), stream, expectedVersion);
var streamId = String.Format("{0}.{1}", bucket, stream);
if (_shouldCache)
{
_cache.Evict(streamId);
}
var settings = new JsonSerializerSettings
{
TypeNameHandling = TypeNameHandling.All,
Binder = new EventSerializationBinder(_mapper)
};
var translatedEvents = events.Select(e =>
{
var descriptor = new EventDescriptor
{
EntityType = e.Descriptor.EntityType,
Timestamp = e.Descriptor.Timestamp,
Version = e.Descriptor.Version,
Headers = e.Descriptor.Headers.Merge(commitHeaders)
};
var mappedType = _mapper.GetMappedTypeFor(e.Event.GetType());
return(new EventData(
e.EventId,
mappedType.AssemblyQualifiedName,
true,
e.Event.Serialize(settings).AsByteArray(),
descriptor.Serialize(settings).AsByteArray()
));
});
try
{
await _client.AppendToStreamAsync(streamId, expectedVersion, translatedEvents);
}
catch (global::System.AggregateException e)
{
throw e.InnerException;
}
}
public async Task WriteSnapshots(String bucket, String stream, IEnumerable <ISnapshot> snapshots, IDictionary <String, String> commitHeaders)
{
Logger.DebugFormat("Writing {0} snapshots to stream id '{1}' in bucket '{2}'", snapshots.Count(), stream, bucket);
var streamId = String.Format("{0}.{1}.{2}", bucket, stream, "snapshots");
if (_shouldCache)
{
_cache.EvictSnap(streamId);
}
var translatedEvents = snapshots.Select(e =>
{
var descriptor = new EventDescriptor
{
EntityType = e.EntityType,
Timestamp = e.Timestamp,
Version = e.Version,
Headers = commitHeaders
};
return(new EventData(
Guid.NewGuid(),
e.EntityType,
true,
e.Payload.Serialize(_settings).AsByteArray(),
descriptor.Serialize(_settings).AsByteArray()
));
});
try
{
await _client.AppendToStreamAsync(streamId, ExpectedVersion.Any, translatedEvents);
}
catch (global::System.AggregateException e)
{
throw e.InnerException;
}
}
