Skip to content

Latest commit

 

History

History
36 lines (27 loc) · 1 KB

README.md

File metadata and controls

36 lines (27 loc) · 1 KB
Raw

Example for DDD/CQRS+ES

Objective

This project's objective is to show Example DDD with CQRS+Event Sourcing.

Using libraries

  • akka-actor
  • akka-stream
  • akka-persistence
  • akka-persistence-query
  • akka-http

Designs

The main layers/components in the application

  1. API Layer
    • Main object is what for bootstrap.
    • TodoWriteService trait is the controller component for write side.
    • TodoReadService trait is the controller component for read side.
    • There are models in the json package.
  2. Domain Layer(for the Write Side)
    • Todo class is a state in the TodoAggregate.
    • TodoAggregate class is implemented by the Actor. It's DDD's Aggregate Root.
    • TodoSupervisor class is the supervisor for TodoAggregate.
    • TodoShardFactory class is the factory of cluster-sharding.
  3. Database Access Layer(for the Read Side)
    • TodoDao is the Data Access Object.
    • TodoDas is that wraps TodoDao.

License

MIT License Copyright (c) 2016 Junichi Kato