Applied EventStorming, from knowledge to working domain model in one day

Two brains, one domain, one laptop, and a guarantee for a day of fun and learning. You’ll go back to basics. Talking about the domain, exploring it using EventStorming with a small group and then pair up to design and code the model.

The day starts with an EventStorming session to explore an interesting domain. You will work in small groups, making sure everyone in the group guards a portion of the EventStorming session by taking on specific roles. But we won't stop after we've explored the domain.

The second part of the day you will work in pairs, together with other participants. You will use the output of the EventStorming session and all the knowledge that you've gathered about the domain. Together, you'll play around, modeling parts of the domain in code, using tests to guide your design. You can choose from several starter templates, to help you code the domain using different approaches. From a typical object oriented domain model to an event sourced domain model. Throughout the workshop, pairs will share their approach so we can all learn from each other.

All you have to bring is a laptop with a recent version of IntelliJ installed (only one laptop per pair is needed). Java or Kotlin templates will be provided, or you can choose to use your own preferred stack.

What you will learn:

- Why you need to start by understanding the problem and exploring a domain before you start coding.
- How to 'sketch' in code and tease out a model bit by bit.
- Not to be afraid to throw away the model and sketch again.
- That there are many ways to implement a model and that there are tradeoffs to make when choosing an approach.

Nico Krijnen

Tech Lead, bridging strategy, technology & organization | Speaker on DDD, Code Quality, DevOps | Cloud Solution Architect at Luminis

Amsterdam, The Netherlands


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