Some people on the Axon Framework mailing list were asking for more basic samples, preferably using something like vert.x. Since I am familiar with Axon as well as vert.x I thought I could help out. Therefore I have created a very basic application based on vert.x using the Axon Framework. The application is all about […]
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Category: Axon Framework
Spring Insight plugin for the Axon CQRS framework
Introduction In a previous blog post we introduced the Spring Insight module that’s part of SpringSource’s tc Server developer edition and gives you, well, insight into what’s taking up the time to process requests in your applications. Insight does this by instrumenting your application at load time using AspectJ: a single call to your application […]
Refactoring in an event-sourced world – Upcasting in Axon 2
This article explains how the concept of upcasting can be applied to an event-sourced model. Focusing on demultiplexing of events, a new feature in Axon 2.
Using the spring-data project and the mongodb adapter specifically
In this blog post I want to share some of my experiences with the spring-data project. At Orange11 we have been working on a sample for the Axon Framework. We have created the Axon Trader. For the trader we use the MongoDB based event store. Therefore I also wanted to store the data for the […]
Processing 1M tps with Axon Framework and the Disruptor
LMAX, a trading company in the UK, recently open sourced one of their core components: the Disruptor. This component allows reduces execution overhead by removing the necessity for locks, while still keeping processing order guarantees. A pretty ingenious piece of engineering, if you ask me. I tried to apply the disruptor to the Axon Command […]
The new axon incubator and the google app engine project
Some time ago we started adding modules or classes to axon that were not really the core of the system. The most important one of them is a MongoDB based event store. The amount of testing of this module was not as high as the other parts. It has not yet been tested in a […]
Axon Framework 1.0 released!
It has been an exciting year. Little over a year ago, I started developing a framework to make it easier for developers to implement a highly scalable en extensible architecture. The first public Axon release (0.3) came out in April 2010, and was far from feature complete. Now, almost a year later, Axon has proven […]
Axon Framework 1.0, first release candidate available
The Axon Framework 1.0 release is closing in. After over a year of development, all features planned for the 1.0 version are included. With the latest added features, Axon has become a powerful framework that helps developers implementing applications using on a CQRS based architecture. Although the 1.0-rc1 version doesn’t add a lot of new […]
Axon Framework 0.7 released
Today, I released the 0.7 version of Axon Framework. A lot has happened since 0.6, and that’s why it took a little longer for this version to come out. This new version is a huge step towards the 1.0, of which the first milestone release should be available before March 2011. All basic building blocks […]
Deploying a CQRS application based on the Axon framework on Google App Engine
The Axon framework is a CQRS framework created by Allard Buijze. From the beginning I am trying to help him out, mostly by creating samples. This blog post is about a sample I am creating for Google App Engine. Everybody that has been working with Google App Engine (GAE) knows that it enforces some limitations […]