Axon Framework 3.3 has just been released, and it has several interesting new features. In this blog, I'd like to highlight one that I’m particularly excited about: subscription queries. Before we...
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Event Sourcing and blockchain have an important thing in common: they both are about keeping a full history of what happened in the past. This is why they get compared. To better understand how they...
In today’s software world, everything’s changed when it comes to operational (non-functional) requirements. We have applications running on thousands of cores, producing petabytes of data, and, of...
In your application, you probably have created a couple of components:
We hear a lot about event-driven architecture these days, especially in the context of microservices. For instance, Gartner has identified this as one of the top 10 technology trends for 2018. There...
How do I enhance events with data that is not part of the Aggregate to answer the question? I can provide several possibilities. I will list them here in this blog post:
Imagine there is an Order aggregate with two entities: Order and OrderLine. The Order entity is the Aggregate root. Generally, your application will add, remove and edit OrderLines from order during...