private async Task OnFailure(GuidId subscriptionId, string streamProviderName, StreamId streamId,
StreamSequenceToken sequenceToken)
{
if (subscriptionId == null)
{
throw new ArgumentNullException("subscriptionId");
}
if (string.IsNullOrWhiteSpace(streamProviderName))
{
throw new ArgumentNullException("streamProviderName");
}
var failureEntity = createEntity();
failureEntity.SubscriptionId = subscriptionId.Guid;
failureEntity.StreamProviderName = streamProviderName;
failureEntity.StreamGuid = streamId.GetKeyAsString();
failureEntity.StreamNamespace = streamId.GetNamespace();
failureEntity.SetSequenceToken(this.serializationManager, sequenceToken);
failureEntity.SetPartitionKey(this.clusterId);
failureEntity.SetRowkey();
await dataManager.CreateTableEntryAsync(failureEntity);
}
/// <inheritdoc />
public bool TryReadEvents(int maxCount, out IEnumerable <EventData> events)
{
if (!this.ShouldProduce)
{
events = null;
return(false);
}
int count = maxCount;
List <EventData> eventDataList = new List <EventData>();
while (count-- > 0)
{
this.SequenceNumberCounter.Increment();
var eventData = EventHubBatchContainer.ToEventData <int>(
this.serializationManager,
this.StreamId,
this.GenerateEvent(this.SequenceNumberCounter.Value),
RequestContextExtensions.Export(this.serializationManager));
var wrapper = new WrappedEventData(
eventData.Body,
eventData.Properties,
eventData.SystemProperties,
partitionKey: StreamId.GetKeyAsString(),
offset: DateTime.UtcNow.Ticks,
sequenceNumber: this.SequenceNumberCounter.Value);
eventDataList.Add(wrapper);
this.logger.Info($"Generate data of SequemceNumber {SequenceNumberCounter.Value} for stream {this.StreamId}");
}
events = eventDataList;
return(eventDataList.Count > 0);
}
/// <summary> /// Get the Event Hub partition key to use for a stream. /// </summary> /// <param name="streamId">The stream Guid.</param> /// <returns>The partition key to use for the stream.</returns> public virtual string GetPartitionKey(StreamId streamId) => streamId.GetKeyAsString();