Meet Arcadia Editions: The Fictional Company I Built to Explore Event-Driven Architecture
Domain discovery, event modeling, API specs, and running code. All of it built in the open, through a domain complex enough to make the decisions interesting.
Arcadia Series
-
-
DDD Problem Space vs Solution Space
The solution space is your business. But only if it needs to be discovered. If it is already known, you are not building a business, you are building a commodity.
-
Event Storming Arcadia Editions: Discovering the Order Flow
We know what Arcadia Editions wants to deliver. Now we need to discover how. Event Storming is how you turn that conversation into a shared understanding of the business. This is what that looks like in practice.
-
From Event Storming to ZFL: Translating Business Flows into Code
Event Storming gives you sticky notes. ZFL gives them a structured home. Here is how the concepts map.
-
From Events to Bounded Contexts: Finding Arcadia Editions' Architecture
Large systems become unmanageable when everyone shares the same model. This post walks through the heuristic we used to find those boundaries in Arcadia Editions, looking for the business objects that act as centers of gravity for commands and events, and using the consistency requirement to draw the line around each one
-
Completing the ZFL: From Bounded Contexts to Systems
Event Storming has two phases. First you discover the flow. Then you find the centers of gravity. The service field in ZFL is where that second phase becomes explicit, and where you start building the architectural world model.
-
From ZFL to ZDL: AI-Assisted Domain Model Scaffolding
ZFL describes a business flow with commands, events, services, and sometimes aggregate names. An AI agent can turn that into scaffolding for your service repositories.