public static async Task <CommandHandlingResult> InterceptAsync(
IMessageCancellationRegistry messageCancellationRegistry,
IMessageCancellationService messageCancellationService,
ILog log,
object contextMessage,
object handlerObject,
Func <Task <CommandHandlingResult> > funcAsync)
{
var messageId = messageCancellationRegistry.GetMessageIdOrDefault(contextMessage);
if (string.IsNullOrEmpty(messageId))
{
throw new MessageCancellationInterceptionException($"Message does not contain message id or is not registered. " +
$"Message: {contextMessage.ToJson()}, " +
$"MessageType: {contextMessage.GetType()}");
}
var requiresCancellation = await
messageCancellationService.CheckIfOperationRequiresCancellationAsync(messageId);
if (requiresCancellation)
{
log.Info($"MessageId: {messageId} is cancelled, " +
$"HandlerType: {handlerObject}, " +
$"MessageType: {contextMessage}", contextMessage);
return(Cqrs.CommandHandlingResult.Ok());
}
return(await funcAsync());
}
public MessageCancellationCommandInterceptor(IMessageCancellationService messageCancellationService,
IMessageCancellationRegistry messageCancellationRegistry,
ILogFactory loggerFactory)
{
_messageCancellationService = messageCancellationService;
_messageCancellationRegistry = messageCancellationRegistry;
_log = loggerFactory.CreateLog(this);
}
public MessageCancellationController(IMessageCancellationService messageCancellationService)
{
_messageCancellationService = messageCancellationService ??
throw new ArgumentException("Should not be null",
nameof(messageCancellationService));
}
