odd / akka-cqrs

Akka CQRS

Warning: This is a work in progress, API changes are likely

Dependency

To include this library into your sbt project, add the following lines to your build.sbt file:

resolvers += "Product-Foundry at bintray" at "http://dl.bintray.com/productfoundry/maven"

libraryDependencies += "com.productfoundry" %% "akka-cqrs" % "0.1.20"

This version of akka-cqrs is built using Scala 2.11.6.

Usage

Command side

Entities

Entities are persistent objects that implement DDD concepts. There are different entity types:

Aggregates

Aggregates process commands, validate business rules and generate events. They act as a context boundary for a single domain concept. Typically, the aggregate represents a single instance, rather than a group. All aggregates reply with a message indicating the update result.

Process managers

Process managers subscribe to events to execute long running processes. They have durable state to track a single process using a finite state machine implementation. A process can subscribe to events from different aggregates.

Creation

Query side

Inspiration

• Reactive DDD with Akka
• Simple event sourcing