/// <inheritdoc />
public async Task <ScopedFilterStreamProcessor> Create(
TypeFilterWithEventSourcePartitionDefinition filterDefinition,
StreamProcessorId streamProcessorId,
CancellationToken cancellationToken)
{
var processorState = await GetOrCreateStreamProcessorState(
streamProcessorId,
StreamProcessorState.New,
cancellationToken)
.ConfigureAwait(false);
if (processorState is not StreamProcessorState unpartitionedProcessorState)
{
throw new ExpectedUnpartitionedStreamProcessorState(streamProcessorId);
}
// TODO: This is not needed when using the fast event handler.
NotifyStream(streamProcessorId.ScopeId, filterDefinition, processorState.Position);
return(_createFilterStreamProcessor(
_eventLogStream.Subscribe(
streamProcessorId.ScopeId,
processorState.Position.Value,
new ReadOnlyCollection <ArtifactId>(filterDefinition.Types.ToList()),
CancellationToken.None),
streamProcessorId,
filterDefinition.Partitioned,
unpartitionedProcessorState));
}
public ScopedFilterStreamProcessor(
ChannelReader <EventLogBatch> eventLogStream,
StreamProcessorId streamProcessorId,
IWriteEventsToStreams eventsWriter,
IResilientStreamProcessorStateRepository stateProcessorStates,
TenantId tenantId,
bool partitioned,
StreamProcessorState currentState,
ILogger logger)
{
_eventLogStream = eventLogStream;
_streamId = streamProcessorId.EventProcessorId.Value;
_eventsWriter = eventsWriter;
_stateProcessorStates = stateProcessorStates;
_tenantId = tenantId;
_partitioned = partitioned;
_logger = logger;
_currentState = currentState;
Identifier = streamProcessorId;
}
internal static partial void FilterStreamProcessorUnregistered(this ILogger logger, StreamProcessorId streamProcessorId);
internal static partial void ScopedFilterStreamProcessorFailed(this ILogger logger, Exception ex, StreamProcessorId streamProcessorId);
internal static partial void StartingFilterStreamProcessor(this ILogger logger, StreamProcessorId streamProcessorId);
FilterDefinition <AbstractStreamProcessorState> CreateFilter(StreamProcessorId id) => _streamProcessorFilter.Eq(_ => _.EventProcessor, id.EventProcessorId.Value) & _streamProcessorFilter.Eq(_ => _.SourceStream, id.SourceStreamId.Value);
internal static partial void StreamProcessorUnregistered(ILogger logger, StreamProcessorId streamProcessorId);
internal static partial void StreamProcessorSuccessfullyRegistered(ILogger logger, StreamProcessorId streamProcessorId);
internal static partial void StartingStreamProcessor(ILogger logger, StreamProcessorId streamProcessorId);
