private async Task SendResponse(FlowContext context, object message)
{
var reply = context.FlowState == null
? GetReply(context.HandlerContext)
: context.FlowState.Metadata.Reply;
if (reply == null)
{
throw new YieldPointException("No response is required");
}
if (message.GetType().FullName != reply.ResponseTypeName)
{
throw new YieldPointException($"Flow must end with a response message of type {reply.ResponseTypeName}, {message.GetType().FullName} was returned instead");
}
var properties = new MessageProperties
{
CorrelationId = reply.CorrelationId
};
// TODO disallow if replyto is not specified?
if (reply.ReplyTo != null)
{
await publisher.PublishDirect(message, reply.ReplyTo, properties, reply.Mandatory);
}
else
{
await publisher.Publish(message, properties, reply.Mandatory);
}
await context.Delete();
}
private static async Task EndFlow(FlowContext context)
{
await context.Delete();
if (context.FlowState?.Metadata.Reply != null)
{
throw new YieldPointException($"Flow must end with a response message of type {context.FlowState.Metadata.Reply.ResponseTypeName}");
}
}
private async Task SendResponse(FlowContext context, object message)
{
var reply = context.FlowState == null
? GetReply(context.MessageContext)
: context.FlowState.Metadata.Reply;
if (reply == null)
{
throw new YieldPointException("No response is required");
}
if (message.GetType().FullName != reply.ResponseTypeName)
{
throw new YieldPointException($"Flow must end with a response message of type {reply.ResponseTypeName}, {message.GetType().FullName} was returned instead");
}
var properties = new BasicProperties();
// Only set the property if it's not null, otherwise a string reference exception can occur:
// http://rabbitmq.1065348.n5.nabble.com/SocketException-when-invoking-model-BasicPublish-td36330.html
if (reply.CorrelationId != null)
{
properties.CorrelationId = reply.CorrelationId;
}
// TODO disallow if replyto is not specified?
if (reply.ReplyTo != null)
{
await publisher.PublishDirect(message, reply.ReplyTo, properties);
}
else
{
await publisher.Publish(message, properties);
}
await context.Delete();
}