public async Task <IReadOnlyCollection <ICommittedDomainEvent> > CommitEventsAsync(IIdentity id, IReadOnlyCollection <SerializedEvent> serializedEvents, CancellationToken cancellationToken)
{
if (!serializedEvents.Any())
{
return(new ICommittedDomainEvent[] { });
}
var eventDataModels = serializedEvents
.Select((e, i) => new MongoDbEventDataModel
{
_id = _mongoDbEventSequenceStore.GetNextSequence(_collectionName),
AggregateId = id.Value,
AggregateName = e.Metadata[MetadataKeys.AggregateName],
BatchId = Guid.Parse(e.Metadata[MetadataKeys.BatchId]),
Data = e.SerializedData,
Metadata = e.SerializedMetadata,
AggregateSequenceNumber = e.AggregateSequenceNumber
})
.OrderBy(x => x.AggregateSequenceNumber)
.ToList();
_log.Verbose("Committing {0} events to MongoDb event store for entity with ID '{1}'", eventDataModels.Count, id);
await MongoDbEventStoreCollection
.InsertManyAsync(eventDataModels, cancellationToken : cancellationToken)
.ConfigureAwait(continueOnCapturedContext: false);
return(eventDataModels);
}
public async Task <IReadOnlyCollection <ICommittedDomainEvent> > CommitEventsAsync(IIdentity id, IReadOnlyCollection <SerializedEvent> serializedEvents, CancellationToken cancellationToken)
{
if (!serializedEvents.Any())
{
return(Array.Empty <ICommittedDomainEvent>());
}
var eventDataModels = serializedEvents
.Select((e, i) => new MongoDbEventDataModel
{
_id = DateTime.UtcNow.Ticks,
AggregateId = id.Value,
AggregateName = e.Metadata[MetadataKeys.AggregateName],
BatchId = Guid.Parse(e.Metadata[MetadataKeys.BatchId]),
Data = e.SerializedData,
Metadata = e.SerializedMetadata,
AggregateSequenceNumber = e.AggregateSequenceNumber
})
.OrderBy(x => x.AggregateSequenceNumber)
.ToList();
_log.Verbose("Committing {0} events to MongoDb event store for entity with ID '{1}'", eventDataModels.Count, id);
try
{
await MongoDbEventStoreCollection
.InsertManyAsync(eventDataModels, cancellationToken : cancellationToken)
.ConfigureAwait(continueOnCapturedContext: false);
}
catch (MongoBulkWriteException e)
{
throw new OptimisticConcurrencyException(e.Message, e);
}
return(eventDataModels);
}
