public DispatchToSagas(
ILog log,
IResolver resolver,
ISagaStore sagaStore,
ISagaDefinitionService sagaDefinitionService,
ISagaErrorHandler sagaErrorHandler)
{
_log = log;
_resolver = resolver;
_sagaStore = sagaStore;
_sagaDefinitionService = sagaDefinitionService;
_sagaErrorHandler = sagaErrorHandler;
}
public DispatchToSagas(
ILogger <DispatchToSagas> logger,
IServiceProvider serviceProvider,
ISagaStore sagaStore,
ISagaDefinitionService sagaDefinitionService,
ISagaErrorHandler sagaErrorHandler,
ISagaUpdateResilienceStrategy sagaUpdateLog)
{
_logger = logger;
_serviceProvider = serviceProvider;
_sagaStore = sagaStore;
_sagaDefinitionService = sagaDefinitionService;
_sagaErrorHandler = sagaErrorHandler;
_sagaUpdateLog = sagaUpdateLog;
}
public DispatchToSagas(
ILog log,
IResolver resolver,
ISagaStore sagaStore,
ISagaDefinitionService sagaDefinitionService,
ISagaErrorHandler sagaErrorHandler,
ISagaUpdateResilienceStrategy sagaUpdateLog)
{
_log = log;
_resolver = resolver;
_sagaStore = sagaStore;
_sagaDefinitionService = sagaDefinitionService;
_sagaErrorHandler = sagaErrorHandler;
_sagaUpdateLog = sagaUpdateLog;
}
private async Task ProcessSagaAsync(
IDomainEvent domainEvent,
ISagaId sagaId,
SagaDetails details,
CancellationToken cancellationToken)
{
try
{
_log.Verbose(() => $"Loading saga '{details.SagaType.PrettyPrint()}' with ID '{sagaId}'");
await _sagaStore.UpdateAsync(
sagaId,
details.SagaType,
domainEvent.Metadata.EventId,
(s, c) => UpdateSagaAsync(s, domainEvent, details, c),
cancellationToken)
.ConfigureAwait(false);
}
catch (Exception e)
{
// Search for a specific SagaErrorHandler<Saga> based on saga type
ISagaErrorHandler specificSagaErrorHandler = _sagaErrorHandlerFactory(details.SagaType);
bool handled = specificSagaErrorHandler != null ?
await specificSagaErrorHandler.HandleAsync(sagaId, details, e, cancellationToken).ConfigureAwait(false) :
await _sagaErrorHandler.HandleAsync(sagaId, details, e, cancellationToken).ConfigureAwait(false);
if (handled)
{
return;
}
_log.Error(e, $"Failed to process domain event '{domainEvent.EventType}' for saga '{details.SagaType.PrettyPrint()}'");
throw;
}
}
