Hi, On Wed, 2014-10-22 at 08:46 -0700, Richard Rodseth wrote: > If you have a use case that involves checking for session existence > without sending a command to the session, you could publish a > SessionCreated *domain* event (not an Akka persistence event) to the > "read side" by publishing it to an Akka EventBus. The subscriber > could then store some query-optimized info in Cassandra as you were > doing before. In other words, using Akka Persistence with Cassandra > journal doesn't preclude you from creating "projections" in Cassandra > or even a relational store.
That's roughly what I chose to do finally. Indeed akka-persistence doesn't cover all use case, and sometimes we need to add our own projections. > When the Reactive Streams based read side is available there will be > other options that let you build persistent views by aggregating > multiple persistent actors. > > > Hope this helps. I'm new to this too. Thanks, I'm new too and it's a bit hard to retrofit something written to a very different persistence paradigm :) -- Brice Figureau My Blog: http://www.masterzen.fr/ -- >>>>>>>>>> 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 [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/akka-user. For more options, visit https://groups.google.com/d/optout.
