Reactive Application Development

Chapter 5. Domain-driven design

This chapter covers

• Domain-driven design
• Modeling a flight domain
• The Saga Pattern
• Modeling domain aggregates with Akka
• The Akka Process Manager pattern

Sometimes, humans require some distance to fully comprehend a thing. An example is an impressionist painting. When you look at one of these paintings up close, all you see are colored dots and small brushstrokes; you don’t see a clear image. When you back away from the painting, it becomes clear, and you can see a child on a swing, a park, or a lake. This situation is similar with a large architecture, a reactive architecture being no exception. In this spirit, we take some steps back in this chapter to look at a reactive application from a distance, starting ...