// internal for testing
internal async Task DispatchAsync <TNotification>(
TNotification notification,
TimeSpan?timeout = default)
where TNotification : class
{
try
{
using var cancellationTokenSource = _cancellationTokenSourceFactory.Create(timeout ?? _options.Value.DispatchTimeout ?? Timeout.InfiniteTimeSpan);
using var serviceScope = _serviceScopeFactory.CreateScope();
using var notificationLogScope = MessagingLogMessages.BeginNotificationScope(_logger, notification);
using var providedLogScope = (notification is ILogScopeProvider logScopeProvider)
? logScopeProvider.BeginLogScope(_logger)
: null;
MessagingLogMessages.HandlersInvoking(_logger);
foreach (var handler in serviceScope.ServiceProvider.GetServices <INotificationHandler <TNotification> >())
{
using var handlerLogScope = MessagingLogMessages.BeginHandlerScope(_logger, handler);
try
{
MessagingLogMessages.HandlerInvoking(_logger);
await handler.HandleNotificationAsync(notification, cancellationTokenSource.Token);
MessagingLogMessages.HandlerInvoked(_logger);
}
catch (Exception ex)
{
MessagingLogMessages.HandlerFailed(_logger, ex);
}
}
MessagingLogMessages.HandlersInvoked(_logger);
}
catch (Exception ex)
{
MessagingLogMessages.DispatchFailed(_logger, ex);
}
}
/// <inheritdoc />
public async Task PublishAsync <TNotification>(
TNotification notification,
CancellationToken cancellationToken) where TNotification : class
{
using var notificationLogScope = MessagingLogMessages.BeginNotificationScope(_logger, notification);
using var providedLogScope = (notification is ILogScopeProvider logScopeProvider)
? logScopeProvider.BeginLogScope(_logger)
: null;
MessagingLogMessages.HandlersInvoking(_logger);
foreach (var handler in _serviceProvider.GetServices <INotificationHandler <TNotification> >())
{
using var handlerLogScope = MessagingLogMessages.BeginHandlerScope(_logger, handler);
MessagingLogMessages.HandlerInvoking(_logger);
await handler.HandleNotificationAsync(notification, cancellationToken);
MessagingLogMessages.HandlerInvoked(_logger);
}
MessagingLogMessages.HandlersInvoked(_logger);
}