private async Task ReplyApplicationCommandAsync(IEndSubTransactionDomainNotification notification, CancellationToken token)
{
var reply = new SagaTransactionDomainNotification(notification.Message);
reply.FillFrom(notification);
await PublishDomainNotificationAsync(reply, token);
}
private void SetApplicationCommandResult(SagaTransactionDomainNotification notification)
{
var applicationCommandId = notification.ApplicationCommandId;
var applicationCommandType = notification.ApplicationCommandType;
const string prefix = "Received the saga domain notification of application Command";
if (!ExecutingPromiseDict.TryRemove(applicationCommandId, out var executionPromise))
{
_logger.LogWarning(FormatReplyMessage(notification, prefix, "but task source does not exist"));
return;
}
var replyScheme = executionPromise.ApplicationCommand.ReplyScheme;
switch (replyScheme)
{
case ApplicationCommandReplySchemes.None:
_logger.LogWarning(FormatReplyMessage(notification, prefix, $"but the return schema is {replyScheme}"));
break;
case ApplicationCommandReplySchemes.OnDomainCommandHandled:
var replySchemeReceived = notification.ApplicationCommandReplyScheme;
if (replyScheme != replySchemeReceived)
{
_logger.LogWarning(FormatReplyMessage(notification, prefix, $"but return schema mis match, expected: {replyScheme}, actual: {replySchemeReceived}"));
}
var status = notification.IsCompleted
? ApplicationCommandStatus.Succeed
: ApplicationCommandStatus.Failed;
var result = new ApplicationCommandResult <string>(applicationCommandId, applicationCommandType, status, notification.Message);
if (!executionPromise.TrySetResult(result))
{
_logger.LogError(FormatReplyMessage(notification, "Failed to set the saga domain notification of application Command", $"ReplyScheme:{replyScheme}, message:{notification.Message}"));
}
break;
case ApplicationCommandReplySchemes.OnDomainEventHandled:
_logger.LogWarning(FormatReplyMessage(notification, prefix, $"but the return schema:{replyScheme} mis-match"));
break;
default:
_logger.LogWarning(FormatReplyMessage(notification, prefix, $"but the return schema:{replyScheme} not supported"));
break;
}
}
private async Task ReplyApplicationCommandAsync(IDomainCommand command, CancellationToken token)
{
IDomainNotification notification;
switch (command)
{
case IEndSubTransactionDomainCommand endCommand:
notification = new SagaTransactionDomainNotification(endCommand.Message, true);
break;
default:
notification = new DomainCommandHandledNotification();
break;
}
notification.FillFrom(command);
await PublishDomainNotificationAsync(notification, token);
}
private async Task ReplyApplicationEventAsync(IDomainEvent @event, CancellationToken token)
{
IDomainNotification notification;
switch (@event)
{
case IEndSubTransactionDomainEvent endEvent:
notification = new SagaTransactionDomainNotification(endEvent.Message, true);
break;
default:
notification = new DomainEventHandledNotification();
break;
}
notification.FillFrom(@event);
await _context.PublishDomainNotificationAsync(notification, token);
}
private void ReplyApplicationEvent(IDomainEvent @event)
{
IDomainNotification notification;
switch (@event)
{
case IEndSubTransactionDomainEvent endEvent:
notification = new SagaTransactionDomainNotification(endEvent.Message, true);
break;
default:
notification = new DomainEventHandledNotification();
break;
}
notification.FillFrom(@event);
_context.PublishDomainNotification(notification);
}
public void Handle(SagaTransactionDomainNotification notification) => SetApplicationCommandResult(notification);
