Hi, We have a GraphStage[SourceShape[?]] with a simple OutHandler which does the following:
1. Finds a document in MongoDB 2. Pushes that document to the outlet using push() It's possible that the source will not find any documents in the DB at a given moment, but new documents may be arrive later. The problem is that after the first time onPull is called and doesn't push anything to the outlet, then even when new documents are available in the DB, they won't be pushed later. It's like the notion of a demand from downstream just gets lost. I'm obviously missing some API capability to deal with such situation, but I cannot find any material on this. How should we solve such a problem? Thanks -- >>>>>>>>>> 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.