/// <inheritdoc/>
public IStreamProcessor Create(
ConsentId consent,
SubscriptionId subscription,
ExecutionContext executionContext,
EventsFromEventHorizonFetcher eventsFromEventHorizonFetcher)
=> new StreamProcessor(
subscription,
executionContext,
new EventProcessor(
consent,
subscription,
_externalEventsCommitter,
_metrics,
_loggerFactory.CreateLogger <EventProcessor>()),
eventsFromEventHorizonFetcher,
_streamProcessorStates,
_eventsFetcherPolicy,
_metrics,
_loggerFactory);
/// <summary>
/// Initializes a new instance of the <see cref="StreamProcessor"/> class.
/// </summary>
/// <param name="subscriptionId">The identifier of the subscription the stream processor will receive events for.</param>
/// <param name="executionContext">The <see cref="ExecutionContext"/>.</param>
/// <param name="eventProcessor">The event processor that writes the received events to a scoped event log.</param>
/// <param name="eventsFetcher">The event fetcher that receives fetches events over an event horizon connection.</param>
/// <param name="streamProcessorStates">The repository to use for getting the subscription state.</param>
/// <param name="eventsFetcherPolicy">The policy around fetching events.</param>
/// <param name="metrics">The system for collecting metrics.</param>
/// <param name="loggerFactory">The factory for creating loggers.</param>
public StreamProcessor(
SubscriptionId subscriptionId,
ExecutionContext executionContext,
IEventProcessor eventProcessor,
EventsFromEventHorizonFetcher eventsFetcher,
IResilientStreamProcessorStateRepository streamProcessorStates,
IEventFetcherPolicies eventsFetcherPolicy,
IMetricsCollector metrics,
ILoggerFactory loggerFactory)
{
_identifier = subscriptionId;
_executionContext = executionContext;
_eventProcessor = eventProcessor;
_streamProcessorStates = streamProcessorStates;
_eventsFetcher = eventsFetcher;
_eventsFetcherPolicy = eventsFetcherPolicy;
_metrics = metrics;
_loggerFactory = loggerFactory;
_logger = loggerFactory.CreateLogger <StreamProcessor>();
}
/// <summary>
/// Initializes a new instance of the <see cref="Subscription"/> class.
/// </summary>
/// <param name="consentId">The <see cref="ConsentId" />.</param>
/// <param name="subscriptionId">The <see cref="StreamProcessorId" />.</param>
/// <param name="eventProcessor">The <see cref="IEventProcessor" />.</param>
/// <param name="eventsFetcher">The <see cref="EventsFromEventHorizonFetcher" />.</param>
/// <param name="streamProcessorStates">The <see cref="IResilientStreamProcessorStateRepository" />.</param>
/// <param name="unregister">An <see cref="Action" /> that unregisters the <see cref="ScopedStreamProcessor" />.</param>
/// <param name="eventsFetcherPolicy">The <see cref="IAsyncPolicyFor{T}" /> <see cref="ICanFetchEventsFromStream" />.</param>
/// <param name="loggerManager">The <see cref="ILoggerManager" />.</param>
/// <param name="cancellationToken">The <see cref="CancellationToken" />.</param>
public Subscription(
ConsentId consentId,
SubscriptionId subscriptionId,
EventProcessor eventProcessor,
EventsFromEventHorizonFetcher eventsFetcher,
IResilientStreamProcessorStateRepository streamProcessorStates,
Action unregister,
IAsyncPolicyFor <ICanFetchEventsFromStream> eventsFetcherPolicy,
ILoggerManager loggerManager,
CancellationToken cancellationToken)
{
_identifier = subscriptionId;
_eventProcessor = eventProcessor;
_unregister = unregister;
_streamProcessorStates = streamProcessorStates;
_eventsFetcher = eventsFetcher;
_eventsFetcherPolicy = eventsFetcherPolicy;
_loggerManager = loggerManager;
_logger = loggerManager.CreateLogger <StreamProcessor>();
_cancellationToken = cancellationToken;
_unregisterTokenRegistration = _cancellationToken.Register(_unregister);
ConsentId = consentId;
}
