The 4th stop on my fact-driven journey — Business Rules (Domain) Commands Aggregates and Sagas are Processes The Distributed Execution of Processes In my post about aggregates and sagas, seen as processes, I used an example of my little family organizing a process to clear the dishwasher. Some people enjoyed the example, and some others thought it was…

The 3rd stop on my fact-driven journey — Business Rules (Domain) Commands Aggregates and Sagas are Processes The Distributed Execution of Processes Going to ExploreDDD Denver 2018 and presenting my thoughts about events, commands and long-running services has really been a cool personal success for me. :-) After my talk literally nothing (nil, zero) happened! Neither was I…

The 2nd stop on my fact-driven journey — Business Rules (Domain) Commands Aggregates and Sagas are Processes The Distributed Execution of Processes In my first post about business rules I mentioned that I have three truly “essential” ingredients when modeling software along a timeline: 1) Domain events, 2) Commands and 3) Business rules. …

2018 With this post I kick off a little series of posts. I want to shine light on commands and events, also queries and reports. I plan to describe them as flavours of domain facts driving potentially widely distributed, just semantically and loosely coupled execution flows. …

Scenarios for my fact-driven journey. — It’s Monday 8:00 in the morning and Cloe Wood’s mobile phone rings. Paul Myers, one of her teachers, reports to be “knocked out” and sick for “up to three days”. The school principal looks at Paul’s time table in order to arrange for his very first lesson. It’s a mathematics…

The 1st stop on my fact-driven journey. — Business Rules (Domain) Commands Aggregates and Sagas are Processes The Distributed Execution of Processes KaBoom! The sessions, hikings, pool discussions and lunch conversations around the EventStorming Summit 2018 in Bologna, Italy resonated so much with what I think and talk about since around 2016 that I just had to sit…