Hey Roland > On 18 Feb 2018, at 22:45, 'Roland Kuhn' via Akka User List > <akka-user@googlegroups.com> wrote: > > Yes, we considered it with varying depth on multiple occasions and never > found a satisfactory solution. Since graph stages are free to transform not > only individual elements but also the stream structure the conclusion was > that the metadata cannot be hidden from the graph stage code, it must be > explicitly foreseen. This will then also need to be reflected in the types. Thanks for the confirmation - it certainly validates my existing approach to instrumenting a stream whereby I pass through OpenTracing Span objects along with my main elements.
This helps me a great deal. > One idea was to create a DSL on top that offers certain well behaved > combinators for tagged elements, but as far as I know this has not been > implemented yet. Were there issues created for this so that I can follow along? I couldn’t find any. No worries if not. Thanks again. I really appreciate the dialogue. Cheers C -- >>>>>>>>>> Read the docs: http://akka.io/docs/ >>>>>>>>>> Check the FAQ: >>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html >>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user --- You received this message because you are subscribed to the Google Groups "Akka User List" group. To unsubscribe from this group and stop receiving emails from it, send an email to akka-user+unsubscr...@googlegroups.com. To post to this group, send email to akka-user@googlegroups.com. Visit this group at https://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
