protected ProducerSettings GetProducerSettings(Type messageType)
{
if (!ProducerSettingsByMessageType.TryGetValue(messageType, out var producerSettings))
{
var baseMessageType = _messageTypeToBaseType.GetOrAdd(messageType, mt =>
{
var baseType = mt;
do
{
baseType = mt.BaseType;
}while (baseType != null && baseType != typeof(object) && !ProducerSettingsByMessageType.ContainsKey(baseType));
if (baseType != null)
{
_logger.LogDebug("Found a base type of {0} that is configured in the bus: {1}", mt, baseType);
}
else
{
_logger.LogDebug("Did not find any base type of {0} that is configured in the bus", mt);
}
// Note: Nulls are also added to dictionary, so that we don't look them up using reflection next time (cached).
return(baseType);
});
if (baseMessageType == null)
{
throw new PublishMessageBusException($"Message of type {messageType} was not registered as a supported publish message. Please check your MessageBus configuration and include this type.");
}
producerSettings = ProducerSettingsByMessageType[baseMessageType];
}
return(producerSettings);
}
protected virtual async Task ProduceToTransport(Type messageType, object message, string name, byte[] payload, PathKind kind)
{
AssertActive();
Log.DebugFormat(CultureInfo.InvariantCulture, "Producing message {0} of type {1} on {2} {3} with size {4}", message, messageType.Name, kind, name, payload.Length);
var m = new Message(payload);
if (ProducerSettingsByMessageType.TryGetValue(messageType, out var producerSettings))
{
try
{
var messageModifier = producerSettings.GetMessageModifier();
messageModifier(message, m);
}
catch (Exception e)
{
Log.WarnFormat(CultureInfo.InvariantCulture, "The configured message modifier failed for message type {0} and message {1}", e, messageType, message);
}
}
if (kind == PathKind.Topic)
{
var topicProducer = _producerByTopic.GetOrAdd(name);
await topicProducer.SendAsync(m).ConfigureAwait(false);
}
else
{
var queueProducer = _producerByQueue.GetOrAdd(name);
await queueProducer.SendAsync(m).ConfigureAwait(false);
}
Log.DebugFormat(CultureInfo.InvariantCulture, "Delivered message {0} of type {1} on {2} {3}", message, messageType.Name, kind, name);
}
protected ProducerSettings GetProducerSettings(Type messageType)
{
if (!ProducerSettingsByMessageType.TryGetValue(messageType, out var producerSettings))
{
throw new PublishMessageBusException($"Message of type {messageType} was not registered as a supported publish message. Please check your MessageBus configuration and include this type.");
}
return(producerSettings);
}
protected virtual async Task ProduceToTransport(Type messageType, object message, string name, byte[] payload, PathKind kind)
{
if (messageType is null)
{
throw new ArgumentNullException(nameof(messageType));
}
if (payload is null)
{
throw new ArgumentNullException(nameof(payload));
}
AssertActive();
_logger.LogDebug("Producing message {0} of type {1} on {2} {3} with size {4}", message, messageType.Name, kind, name, payload.Length);
var m = new Message(payload);
if (ProducerSettingsByMessageType.TryGetValue(messageType, out var producerSettings))
{
try
{
var messageModifier = producerSettings.GetMessageModifier();
messageModifier(message, m);
}
catch (Exception e)
{
_logger.LogWarning(e, "The configured message modifier failed for message type {0} and message {1}", messageType, message);
}
}
if (kind == PathKind.Topic)
{
var topicProducer = _producerByTopic.GetOrAdd(name);
await topicProducer.SendAsync(m).ConfigureAwait(false);
}
else
{
var queueProducer = _producerByQueue.GetOrAdd(name);
await queueProducer.SendAsync(m).ConfigureAwait(false);
}
_logger.LogDebug("Delivered message {0} of type {1} on {2} {3}", message, messageType.Name, kind, name);
}
