static void ConvertToPendingOperations(OutboxMessage deduplicationEntry, PendingTransportOperations pendingTransportOperations)
{
foreach (var operation in deduplicationEntry.TransportOperations)
{
var message = new OutgoingMessage(operation.MessageId, operation.Headers, operation.Body);
pendingTransportOperations.Add(
new Transport.TransportOperation(
message,
DeserializeRoutingStrategy(operation.Options),
DispatchConsistency.Isolated,
DeserializeConstraints(operation.Options)));
}
}
public async Task Invoke(ITransportReceiveContext context, Func <IIncomingPhysicalMessageContext, Task> next)
{
var messageId = context.Message.MessageId;
var physicalMessageContext = this.CreateIncomingPhysicalMessageContext(context.Message, context);
var deduplicationEntry = await outboxStorage.Get(messageId, context.Extensions).ConfigureAwait(false);
var pendingTransportOperations = new PendingTransportOperations();
if (deduplicationEntry == null)
{
physicalMessageContext.Extensions.Set(pendingTransportOperations);
using (var outboxTransaction = await outboxStorage.BeginTransaction(context.Extensions).ConfigureAwait(false))
{
context.Extensions.Set(outboxTransaction);
await next(physicalMessageContext).ConfigureAwait(false);
var outboxMessage = new OutboxMessage(messageId, ConvertToOutboxOperations(pendingTransportOperations.Operations));
await outboxStorage.Store(outboxMessage, outboxTransaction, context.Extensions).ConfigureAwait(false);
context.Extensions.Remove <OutboxTransaction>();
await outboxTransaction.Commit().ConfigureAwait(false);
}
physicalMessageContext.Extensions.Remove <PendingTransportOperations>();
}
else
{
ConvertToPendingOperations(deduplicationEntry, pendingTransportOperations);
}
if (pendingTransportOperations.HasOperations)
{
var batchDispatchContext = this.CreateBatchDispatchContext(pendingTransportOperations.Operations, physicalMessageContext);
await this.Fork(batchDispatchContext).ConfigureAwait(false);
}
await outboxStorage.SetAsDispatched(messageId, context.Extensions).ConfigureAwait(false);
}