EVENT STORMING WORKSHOP

@JefClaes & @ToJans

WHAT TO EXPECT?• Introduction • Get busy (*) • Conclusion (*)

Modeling?

In the enterprise?

So no modeling then?

What techniques do you use?

Let’s create a model! A data model.

Let’s create a model! A data model.(*10 minutes - boring)

Can we make this fun and useful for all stake holders again?

Model stormingby @ziobrando

Event storming

Event storming is a workshop format aiming to collaboratively create a model of

a complex business flow.

- @ziobrando

Setting up..

the right team

big problem = big space

one man = one marker

1. Events

Something that happened in the past....where our business cares about.

Search for events.

this happened

Where to start?

this happened

this happened

this happened

this happened

this happened

this happened

Mind your language!

Customer updatedCustomer moved

Assumptions (unless..)

What if we don’t agree/know?

this happened

that happened !

?

„All models are wrong, some are useful”

Where are these events coming from?

2. Commands

Do something!

Caused by actors, time or external systems.

this happeneddo this

1command == 1 event?

this happeneddo this

this happened

this happened do this

3. Bounded contexts

Where the language is consistent.

BC 1 BC 2

In conclusion

visualization

collaboration

discovery

the big picture

viable model

https://plus.google.com/communities/113258571348605620818

Thank you!@JefClaes & @ToJans

Feedback?