TransportOperation RouteThroughLocalEndpointInstance(RoutingStrategy routingStrategy, IRoutingContext context)
{
Dictionary <string, string> headers = new Dictionary <string, string>(context.Message.Headers);
AddressTag originalTag = routingStrategy.Apply(headers);
UnicastAddressTag unicastTag = originalTag as UnicastAddressTag;
if (unicastTag == null)
{
MulticastAddressTag multicastTag = originalTag as MulticastAddressTag;
if (multicastTag != null)
{
headers["$.store-and-forward.eventtype"] = multicastTag.MessageType.AssemblyQualifiedName;
}
else
{
throw new Exception("Unsupported type of address tag: " + originalTag.GetType().FullName);
}
}
else
{
headers["$.store-and-forward.destination"] = unicastTag.Destination;
}
OutgoingMessage message = new OutgoingMessage(context.Message.MessageId, headers, context.Message.Body);
return(new TransportOperation(message, new UnicastAddressTag(localAddress), DispatchConsistency.Default, context.Extensions.GetDeliveryConstraints()));
}
static void SerializeAddressTag(AddressTag addressTag, Dictionary <string, string> options)
{
if (addressTag is UnicastAddressTag direct)
{
options["Destination"] = direct.Destination;
return;
}
if (addressTag is MulticastAddressTag)
{
throw new Exception("Token-based deduplication cannot be used with multicast routing.");
}
throw new Exception($"Unknown routing strategy {addressTag.GetType().FullName}");
}
static void SerializeRoutingStrategy(AddressTag addressTag, Dictionary <string, string> options)
{
if (addressTag is MulticastAddressTag indirect)
{
options["EventType"] = indirect.MessageType.AssemblyQualifiedName;
return;
}
if (addressTag is UnicastAddressTag direct)
{
options["Destination"] = direct.Destination;
return;
}
throw new Exception($"Unknown routing strategy {addressTag.GetType().FullName}");
}
