Publish to my blog (weekly)
Singleton instance of akka actor per actor system | Anand's blog Akka does provide Cluster Singleton to create a singleton instance of an actor in a clustered environment. Akka extensions has two basic components namely Extensions and ExtensionId. Extensions are loaded only once per actor system. ExtensionId is needed to get the instance of our extension. Scala's Stackable Trait Pattern val queue = (new BasicIntQueue | with Filtering with Incrementing) Scala with keyword usage - Stack Overflow ...