Last week, on May 15, I had the pleasure of attending the TEQNation conference. While I had been to this NLJUG event before, it felt like my first time again. Not only because of the amazing new location—the industrial chic De Fabrique—also because it’s my first time attending as a budding programmer. Although, given the […]
Distributed Tracing in an Axon Application
The Giftcard-demo demonstrates Axon Commands, Events and Queries either together or in a distributed fashion. Now with the tracing extension, these messages and context information can be visualised to get insight into the application behaviour. Requirements to run the demo You will need git, docker and maven. We will checkout out the code, build the […]
CQRS replay performance tuning
We, as experienced users and consultants for Axon, encourage developers that work with Axon Framework or are considering working with it, to read the following blog by Frans van Buul from AxonIQ. This blog explains in a clear and structured way, how to avoid the pitfalls that can happen when replaying past events after changing/adding read models. […]
Chief Subtitles
He looked at me with complete amazement. Bewildered. After doing the track for Business Process Management with me as lector he was used to me being a bit weird. But this one caught him off-guard. We were discussing his BPM thesis today. Good work, ticked all the boxes for the HU University (interesting set of […]
Dockerising your legacy integration tests
As most of you will know, every now and then you can expect the question ‘Can you help fix something on this ancient project?’ According to the Universal Software Ageing table, that means anything from last month to much, much older. I got such a question recently, being in-between projects, and this project fell squarely into […]
Digital Off-The-Roadmap
“What are you thinking about?” Well, nothing really.Just tell me what you feel! Uh, uh, nothing at the moment. You got to feel something! Listen Woman: You have to go to mindfulness training, you do your yoga class, you do all the Zen stuff. And without doing all of that, I can just just sit […]
The potential of Machine Learning with the Axon Framework
Machine Learning creates lots of value in the business processes, if and when applied properly and the right data is available. These days a lot of data is already held within organisations. It is common to see this data unused, with possibilities and insights unseen. While it can be due to limitations of modelling and […]
Horizontal KPI’s and Do The Right Thing
Workshop Tuesday evening, 1800, rain, large room, 30 seats, the start of a workshop in digital transformation. Always great to start a workshop in the evening. Workshops after regular working hours means having people that really want to be there. Personal drive, wanting to learn, personal investment at it best. The workshop is focussed on […]
Spring Data Native Queries and Projections in Kotlin
This blog describes the solution to mapping native queries to objects. This is useful because sometimes you want to use a feature of the underlying database implementation (such as PostgreSQL) that is not part of the JPQL standard. By the end of this blog you should be able to confidently use native queries and use […]
Parallel Tracks
Reading Reading. Reading books. Reading books was our first way of travel. For both my wife and me reading started at a very early age. The public library was the main source of our travel experiences. We would pick up the maximum # of books each week and read them. Read them fast. All the […]