/// <summary>
/// Convert message off the wire from byte[] into a concrete implementation of IIntegrationMessage
/// delegates to custom extractors and defaults to Json deserialization
/// </summary>
private IIntegrationMessage _extractMessage(byte[] messageData, MessageTypeProperties props)
{
IIntegrationMessage message;
if (props.HasCustomExtractor)
{
IMessageExtractor extractor = null;
if (_messageExtractorCache.ContainsKey(props.MessageTypeIdentifier))
{
extractor = _messageExtractorCache[props.MessageTypeIdentifier];
}
else
{
extractor = (IMessageExtractor)Activator.CreateInstance(props.Type, true);
_messageExtractorCache.Add(props.MessageTypeIdentifier, extractor);
}
message = extractor.Extract(messageData);
}
else
{
//by default the message is json and will be deserialized to the type with a matching MessageTypeIdentifier property:"MessageType"
var json = Encoding.UTF8.GetString(messageData);
message = (IIntegrationMessage)JsonConvert.DeserializeObject(json, props.Type, _serializerSettings);
}
return(message);
}
public MessageContext(MessageMetaData meta, IEndpoint endpoint, MessagingService messagingService, MessageTypeProperties props = null)
{
MetaData = meta;
Endpoint = endpoint;
MessagingService = messagingService;
Props = props;
}
public IntegrationMessageFilterContext(IIntegrationMessage message, MessageMetaData meta, IEndpoint endpoint, FilterDirection direction, MessageTypeProperties props)
{
Message = message;
MessageMetaData = meta;
Endpoint = endpoint;
Direction = direction;
Props = props;
}
public static void AddMessageType(MessageTypeProperties props)
{
var handlingSaga = _sagaTypePropMap.SingleOrDefault(x => x.Value.MessageTypes.Contains(props.Type));
if (handlingSaga.Key != null)
{
props.SagaType = handlingSaga.Key;
}
_messageTypeIdentifierPropMap.TryAdd(props.MessageTypeIdentifier, props);
_messageTypePropMap.TryAdd(props.Type, props);
}
public static MessageTypeProperties AddMessageType(Type type)
{
if (_messageTypePropMap.ContainsKey(type))
{
throw new InvalidOperationException($"Duplicate Message Type registered. MessageType: {type}");
}
var message = (IIntegrationMessage)Activator.CreateInstance(type, true);
var props = new MessageTypeProperties(type, message.MessageType, _extractorInterface.IsAssignableFrom(type));
AddMessageType(props);
return(props);
}
