Today, I released version 0.6 of the Axon Framework. 0.6 has many new features and is another step towards full production readiness. There is still some work to do, but first, let’s take a look at what has changed…
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Command-Query Responsibility Segregation (CQRS) is slowly but steadily gaining ground as an architecture that helps developers to develop scalable, extensible and maintainable applications. Events play a major role in this architecture, and the way you design these events greatly influence the extensibility of your application. In this post, I describe some CQRS event basics [...]
Command Query Responsibility Segregation (CQRS) is an architectural style that makes a clear distinction between commands, which tell an application to do something, and queries, which are requests for information from an application. This distinction comes from the fact that the requirements (and thus also the model) for the execution and validation of commands [...] Applications have to run in high-consequence environments. They have to serve hundreds of thousands of users 24 / 7. Our clients spend millions in hard- and software and highly depend on the revenue generated by these applications. Unnecessary outage of these application is fatal. Software Architects play an important role in setting up an architecture [...] We all know how a typical web application is usually built up. The image at the side rougly displays the different layers that are to be found in an application. Typically, the user interface layer receives HTTP requests, calls one or more methods in the Business logic layer, and responds with an HTTP message containing [...] |
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