Category: CQRS

Meet our Trainers – Tomasz

We love our handpicked trainers! Here is an opportunity for you to get to know Tomasz Jaskula, our trainer for French and Polish IDDD Workshops. Tomasz Jaskula Tomasz, you’ve known Vaughn for many years. How did you meet? I had the pleasure of meeting Vaughn in person in 2013 during one of the first IDDD

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After Microservices, Does Reactive Still Matter?

I was asked to justify reactive software development and XOOM for teams that have already achieved development and deployment of microservices. Here’s the question: After your team has reached the point of developing microservices, perhaps even successfully strangling a Big Ball of Mud monolith, does reactive still matter, and does XOOM still have relevance to such

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And Then This Happened

Tonight after midnight in Barcelona, I was in a conversation about CQRS and how using Domain Events or not using them can impact the Command Model and the projection of changes into the Query Model. This led to some interesting points raised regarding the intent of Domain Events and some basic “rules” on how they

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Really Simple CQRS

Whenever I teach my IDDD Workshop and reach the first section that discusses CQRS (Command-Query Responsibility Segregation) I ask if anyone is already familiar with it. I have been doing this for more than six years of teaching this curriculum, and as you can probably imagine there are now far more students who raise their

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