private async Task ProcessAsync(
ICommandBus commandBus,
IDomainEvent domainEvent,
CancellationToken cancellationToken)
{
var sagaTypeDetails = _sagaDefinitionService.GetSagaDetails(domainEvent.EventType);
_log.Verbose(() => $"Saga types to process for domain event '{domainEvent.EventType.PrettyPrint()}': {string.Join(", ", sagaTypeDetails.Select(d => d.SagaType.PrettyPrint()))}");
foreach (var details in sagaTypeDetails)
{
var locator = (ISagaLocator)_resolver.Resolve(details.SagaLocatorType);
var sagaId = await locator.LocateSagaAsync(domainEvent, cancellationToken).ConfigureAwait(false);
if (sagaId == null)
{
_log.Verbose(() => $"Saga locator '{details.SagaLocatorType.PrettyPrint()}' returned null");
continue;
}
var saga = await ProcessSagaAsync(domainEvent, sagaId, details, cancellationToken).ConfigureAwait(false);
if (saga != null)
{
await saga.PublishAsync(commandBus, cancellationToken).ConfigureAwait(false);
}
}
}
private async Task ProcessAsync(
IDomainEvent domainEvent,
CancellationToken cancellationToken)
{
var sagaTypeDetails = _sagaDefinitionService.GetSagaDetails(domainEvent.EventType);
if (_logger.IsEnabled(LogLevel.Trace))
{
_logger.LogTrace(
"Saga types to process for domain event {DomainEventType}: {SagaTypes}",
domainEvent.EventType.PrettyPrint(),
sagaTypeDetails.Select(d => d.SagaType.PrettyPrint()));
}
foreach (var details in sagaTypeDetails)
{
var locator = (ISagaLocator)_serviceProvider.GetRequiredService(details.SagaLocatorType);
var sagaId = await locator.LocateSagaAsync(domainEvent, cancellationToken).ConfigureAwait(false);
if (sagaId == null)
{
_logger.LogTrace(
"Saga locator {SagaLocatorType} returned null",
details.SagaLocatorType.PrettyPrint());
continue;
}
await ProcessSagaAsync(domainEvent, sagaId, details, cancellationToken).ConfigureAwait(false);
}
}