private MessageRegistration GetMessageRegistrationFor(ITransportLevelMessage message)
{
var registration = _messageHandlerRegistry.GetRegistrationFor(message.Type);
if (registration == null)
{
throw new MissingMessageHandlerRegistrationException($"Error! A handler has not been registered for messages of type \"{message.Type}\". Message with id \"{message.MessageId}\" was not handled.");
}
return(registration);
}
public async Task Dispatch(ITransportLevelMessage message)
{
var registration = GetMessageRegistrationFor(message);
var unitOfWork = _unitOfWorkFactory.CreateForHandlerType(registration.HandlerInstanceType);
if (unitOfWork == null)
{
throw new UnableToResolveUnitOfWorkForHandlerException($"Error! Unable to create unit of work for handler type \"{registration.HandlerInstanceType.FullName}\".");
}
var messageInstance = message.ReadDataAs(registration.MessageInstanceType);
await unitOfWork.Run(async handler =>
{
if (handler == null)
{
throw new InvalidMessageHandlerException($"Error! Message handler of type \"{registration.HandlerInstanceType.FullName}\" not instantiated in unit of work and message instance type of \"{registration.MessageInstanceType}\" for message type \"{registration.MessageType}\" can therefor not be handled.");
}
await ExecuteHandler((dynamic)messageInstance, (dynamic)handler);
});
}
public MessageResultBuilder WithTransportLevelMessage(string messageType)
{
_message = new TransportLevelMessageStub(type: messageType);
return(this);
}
public MessageResultBuilder WithTransportLevelMessage(ITransportLevelMessage message)
{
_message = message;
return(this);
}
public MessageResultBuilder()
{
_message = new TransportLevelMessageStub(type: "foo");
_onCommit = () => Task.CompletedTask;
}
public MessageResult(ITransportLevelMessage message, Func <Task> onCommit = null)
{
Message = message;
_onCommit = onCommit ?? EmptyCommitAction;
}
