All posts tagged Agile

The slides from our AANUG talk on “Agile, Architecture, DDD and CQRS” is available here

As always, feel free to leave comments 🙂

What is it all about?

The Agile manifesto is used by many and it has a lot of really good points, but what do we actually mean by each of them? Lets talk about what they are and what they are not.

Agile and Adaptive

When the bright minds of software analysis and development came together in Wasatch Mountain, Utah some ten years ago, they ended up with the Agile Manifesto and Principles. They actually wanted to use the term Adaptive instead of Agile, but since James Highsmith at that point had already published a book called “Adaptive Software Development”, the settled for Agile.
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Saying that you’re a .NET shop, a Java shop or some other programming platform shop is just as ridiculous as if a software tester is saying that he is just a BDD man. Hopefully he is much more than that and has a more balanced approach to software testing, so he can select that test approach that makes the most sense for the problem at hand. Wouldn’t you be worried if you went to your car repair shop and were told that they’re only a piston shop?
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Generating code from UML can be very useful, although the usefulness of the result depends on what type of UML diagrams you use.

We’ve been part of several large projects where we used UML class diagrams to model the domain model, according to the DDD principles. Domain models (being OO persistable class models or Web service model) focus on structural patterns, i.e. how the different constructs (like entities, values objects, aggregate, etc.) relate to each other. For structural models we prefer UML class diagrams as we feel the convey information in a much better way than pure textual DSLs.

Visualization of relationships provides a better overview and is a good platform for communication.

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