/// <summary>
/// Initializes the stream processor.
/// </summary>
/// <returns>A <see cref="Task" />that represents the asynchronous operation.</returns>
public async Task Initialize()
{
_cancellationToken.ThrowIfCancellationRequested();
if (_initialized)
{
throw new StreamProcessorAlreadyInitialized(_identifier);
}
var tryGetStreamProcessorState = await _streamProcessorStates.TryGetFor(_identifier, _cancellationToken).ConfigureAwait(false);
if (!tryGetStreamProcessorState.Success)
{
tryGetStreamProcessorState = StreamProcessorState.New;
await _streamProcessorStates.Persist(_identifier, tryGetStreamProcessorState.Result, _cancellationToken).ConfigureAwait(false);
}
_streamProcessor = new ScopedStreamProcessor(
_identifier.ConsumerTenantId,
_identifier,
tryGetStreamProcessorState.Result as StreamProcessorState,
_eventProcessor,
_streamProcessorStates,
_eventsFetcher,
_eventsFetcherPolicy,
_loggerManager.CreateLogger <ScopedStreamProcessor>());
_initialized = true;
}
