public async Task Handle(TNotification notification, CancellationToken cancellationToken = default)
{
if (notification == null)
{
throw new ArgumentNullException(nameof(notification));
}
var requestMessagePayloadStream = (await _messageSerializer.Serialize(notification, _messageMetadata.RequestMetadata))
?? throw new InvalidOperationException("Request message payload was serialized to a null value");
var responseMessagePayloadStream = await _messageTransport.SendRequest(_uri, requestMessagePayloadStream, cancellationToken);
var messageSerializerResult = (await _messageSerializer.Deserialize(responseMessagePayloadStream))
?? throw new InvalidOperationException("Response message payload was deserialized to a null value");
foreach (var metaData in messageSerializerResult.MessageMetadata)
{
_messageMetadata.ResponseMetadata.Add(metaData);
}
if (messageSerializerResult.Message != null)
{
throw new InvalidOperationException($"Response message contained a message payload, but was not expected to");
}
}
private MessagePipelineDelegate BuildHandler(
IMessageTransport messageTransport,
IEnumerable <IMessagePipelineHandler> messageHandlers,
CancellationToken cancellationToken
)
{
var terminalHandler = (MessagePipelineDelegate)(async message => await messageTransport.SendRequest(_uri, message, cancellationToken));
var handle = messageHandlers
.Reverse()
.Aggregate(terminalHandler, (next, outerHandle) => async message => await outerHandle.Handle(message, next, cancellationToken));
return(handle);
}
public async Task <TResponse> Handle(TRequest request, CancellationToken cancellationToken = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
var requestMessagePayloadStream = (await _messageSerializer.Serialize(request, _messageMetadata.RequestMetadata))
?? throw new InvalidOperationException("Request message payload was serialized to a null value");
var responseMessagePayloadStream = await _messageTransport.SendRequest(_uri, requestMessagePayloadStream, cancellationToken);
var messageSerializerResult = (await _messageSerializer.Deserialize(responseMessagePayloadStream))
?? throw new InvalidOperationException("Response message payload was deserialized to a null value");
foreach (var metaData in messageSerializerResult.MessageMetadata)
{
_messageMetadata.ResponseMetadata.Add(metaData);
}
#pragma warning disable CS8653 // A default expression introduces a null value for a type parameter.
if (messageSerializerResult.Message == null)
{
return(default);