On Grails and rapid prototyping

On SomeJam, we were supposed to develop a rapid prototype a platform where users are able to participate in events, and browse them. In this blogpost, I will focus on what we experienced when we wrote our prototype using the web application framework grails.

Why grails? Since everybody in the group already knew java – and groovy is a language which is easy to learn for java developers, we were all okay with the programming language itself. Furthermore, I already had some experience developing an application with this framework, and I knew it really increases productivity.

Once we had defined our relational data model, we used grails scaffolding capabilities to generate an admin menu, and were then able to push a first version of this code to github, so that everybody was able at the same time to develop a different part of the application. The MVC pattern allowed us to separate the project into a few modules, and each of our group was then working on a different module.

The disadvantage of this framework is that the dependency handling might cause some troubles, especially if 2 incompatible versions of the same software are to be loaded by the same time, then you have to fix this issue by yourself. Also, it requires quite a bit of memory, so you should have at least 4 gigabyte, better 8gb or more memory.

All in all, I can highly suggest to give grails a try, especially when rapid protyping an application or developing an application for a commercial context – scaffolding, great testing capabilities and a great integration of existing java code allow a fast and reliable development cycle.


Text written by a participant that wishes to remain anonymous 🙂

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