/// <summary>
/// A template method responsible for processing a received message
/// </summary>
/// <param name="message">received message to be processed</param>
/// <param name="physicalOrLogicalChannel"> name of a channel from that a message is received and processed</param>
protected virtual void HandleMessageImpl(Message message, string physicalOrLogicalChannel)
{
var validationResult = _messageValidator.Validate(message);
switch (validationResult)
{
case SuccessValidationResult _:
OnExpectedMessage(message, physicalOrLogicalChannel);
break;
case ValidationResultForMissedMessages missedMessagesResult:
var lastProcessedMessageId = missedMessagesResult.LastProcessedMessageId;
OnMissedMessages(message, lastProcessedMessageId, physicalOrLogicalChannel);
OnExpectedMessage(message, physicalOrLogicalChannel);
break;
case AlreadyProcessedValidationResult _:
OnDuplicatedMessage(message, physicalOrLogicalChannel);
break;
default:
OnOtherValidationResult(message, validationResult, physicalOrLogicalChannel);
break;
}
}
private void MessageReceived(object sender, BinaryMessage message)
{
if (!_validator.Validate(message))
{
// If you send us crap we shut you off!
Reconnect();
return;
}
try
{
// ReSharper disable once PossibleNullReferenceException
Received(this, message);
}
catch (Exception ex)
{
Logger.LogException(LogLevel.Fatal, ex, "Received event ran into an exception!");
}
}
/// <summary>
/// Добавляет еще одного обработчика сообщений.
/// </summary>
/// <param name="label">
/// Метка сообщения, которое может быть обработано.
/// </param>
/// <param name="consumer">
/// Обработчик сообщения.
/// </param>
/// <param name="validator">
/// Механизм проверки входящего сообщения.
/// </param>
/// <typeparam name="T">
/// Тип входящего сообщения.
/// </typeparam>
public void RegisterConsumer <T>(MessageLabel label, IConsumerOf <T> consumer, IMessageValidator validator) where T : class
{
ConsumingAction consumingAction = delivery =>
{
IConsumingContext <T> context = delivery.BuildConsumingContext <T>(label);
if (validator != null)
{
validator.Validate(context.Message).ThrowIfBroken();
}
else
{
this.validatorRegistry.Validate(context.Message);
}
consumer.Handle(context);
};
this.consumers[label] = consumingAction;
}
/// <summary>
/// Добавляет еще одного обработчика сообщений.
/// </summary>
/// <param name="label">
/// Метка сообщения, которое может быть обработано.
/// </param>
/// <param name="consumer">
/// Обработчик сообщения.
/// </param>
/// <param name="validator">
/// Механизм проверки входящего сообщения.
/// </param>
/// <typeparam name="T">
/// Тип входящего сообщения.
/// </typeparam>
public void RegisterConsumer <T>(MessageLabel label, IConsumerOf <T> consumer, IMessageValidator validator) where T : class
{
ConsumingAction consumingAction = delivery =>
{
IConsumingContext <T> context = delivery.BuildConsumingContext <T>(label);
if (validator != null)
{
validator.Validate(context.Message).ThrowIfBroken();
}
else
{
this.validatorRegistry.Validate(context.Message);
}
var sw = Stopwatch.StartNew();
consumer.Handle(context);
this.MetricsCollector?.Histogram("contour.rmq.consuming.duration", sw.ElapsedMilliseconds, 1D, new[] { "endpoint:" + this.busContext.Endpoint.Address, "label:" + label.ToString() });
};
this.consumers[label] = consumingAction;
}
public async Task <bool> TryAddAsync(EncryptedMessage message)
{
var id = message.Id;
if (!_messageValidator.Validate(message))
{
return(false);
}
if (GetMessageById(message.Id) != null)
{
return(false);
}
try
{
var messageDb = new EncryptedMessageStore(message);
_applicationDatabase.Messages.Add(messageDb);
return(await _applicationDatabase.SaveChangesAsync() > 0);
}
catch (DbException)
{
return(false);
}
}
/// <summary>
/// Добавляет еще одного обработчика сообщений.
/// </summary>
/// <param name="label">
/// Метка сообщения, которое может быть обработано.
/// </param>
/// <param name="consumer">
/// Обработчик сообщения.
/// </param>
/// <param name="validator">
/// Механизм проверки входящего сообщения.
/// </param>
/// <typeparam name="T">
/// Тип входящего сообщения.
/// </typeparam>
public void RegisterConsumer <T>(MessageLabel label, IConsumerOf <T> consumer, IMessageValidator validator) where T : class
{
ConsumingAction consumingAction = delivery =>
{
IConsumingContext <T> context = delivery.BuildConsumingContext <T>(label);
if (validator != null)
{
validator.Validate(context.Message).ThrowIfBroken();
}
else
{
this.validatorRegistry.Validate(context.Message);
}
this.logger.Trace(
m => m($"{typeof(T)}: получил сообщение " +
$"[{JsonConvert.SerializeObject(context.Message.Payload)}] на обработку"));
consumer.Handle(context);
};
this.consumers[label] = consumingAction;
}
//public static IDependencyResolver DependencyResolver;
/// <summary>
/// The validate.
/// </summary>
/// <param name="toValidationInstance">
/// The to validation instance.
/// </param>
/// <returns>
/// The <see cref="ValidationNotification" />.
/// </returns>
public ValidationNotification Validate(object toValidationInstance)
{
return(MessageValidator.Validate(toValidationInstance));
}
