Applied Akka patterns : a hands-on guide to designing distributed applications by Nash, Michael, Waldron, Wade instant download

Applied Akka patterns : a hands-on guide to designing distributed applications by Nash, Michael, Waldron, Wade instant download

1 online resource (ix, 181 pages) :, Cover; Copyright; Table of Contents; Preface; Conventions Used in This Book; O'Reilly Safari; How to Contact Us; Acknowledgments; Chapter 1. The Actor Model; Reality Is Eventually Consistent; Deconstructing the Actor Model; All Computation Is Performed Within an Actor; Actors Can Communicate Only Through Messages; Actors Can Create Child Actors; Actors Can Change Their State or Behavior; Everything Is an Actor; Uses of the Actor Model; Defining Clear Boundaries; When Is the Actor Model Appropriate?; Conclusion; Chapter 2. Introducing Akka; What Is Akka?; Akka Is Open Source, Akka Is Under Active DevelopmentAkka Is Distributed by Design; Akka Components; Akka Actor; Child Actors; Remoting: Actors on Different JVMs; Clustering: Automatic Management of Membership; Akka HTTP; TestKit; Contrib; Akka OSGi; Akka HTTP; Akka Streams; Akka's Implementation of the Actor Model; Akka's Actors in the Actor Model; Message Passing; Actor Systems; The Akka Typed Project; Conclusion; Chapter 3. Distributed Domain-Driven Design; DDD Overview; The Benefits of DDD; Components of DDD; Domain Entities; Domain Value Objects; Aggregates and Aggregate Roots; Repositories, Factories and Object CreationDomain Services; Bounded Contexts; Conclusion; Chapter 4. Good Actor Design; Starting Small; Encapsulating State in Actors; Encapsulating State by Using Fields; Encapsulating State by Using \"State\" Containers; Encapsulating State by Using become; Mixing Futures with Actors; Ask Pattern and Alternatives; Problems with Ask; Accidental Complexity; Alternatives to Ask; Commands Versus Events; Constructor Dependency Injection; actorSelection via Path; Conclusion; Chapter 5. Good Data Flow; Throughput Versus Latency; Streams; Routers; Mailboxes; Unbounded Mailboxes, Bounded MailboxesWork Pulling; Back Pressure; Acks; High-Water Marks; Queue-Size Monitoring; Rate Monitoring; Akka Streams; Source; Sink; RunnableGraph; Flow; Junctions; Back Pressure in Akka…