Unitils provides its own DataSource. This causes problems if you want to use Spring IOC to inject your own. There is a way around this but its not elegant. In future versions of unitils I believe the team is going to provide better support for less intrusive methods. This post documents a way to use your own spring defined DataSource.
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I am going to build myself another example application. I find these very handy for exploring ideas. If you already have a project with hibernate, spring, gigaspaces and such setup, your much more likely to try a few ideas out, and then blog them. So for a while this blog might be more quiet than usual. I think I may use Roo to do it. Roo looks like a great platform for quickly building something up for an experiment. i.e You can throw together a new set of entities, and then build an example on top of them. Before I begin, one last thing from my current experiments.
Say for instance you have a need to pass entity classes to another system, via JAXB. Its possible to use DTO objects for the transfer or you could just annotate the the entity classes. In the example below, I wanted to fetch something from a database via JPA and write it into gigaspaces. It soon gets messy your Entity classes start to become a hub in the middle of your application with things dipping into some of the classes and annotating them and throwing them here and there.
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Yes its great but the product could do with some polish, better documentation, bug fixing and some api revision. Despite that its still the best system I have looked at to test a DAO. Also the project is alive and kicking, it looks like there is more to come in future revisions.
If you want the gritty detail read on
I wanted to explore unit testing JPA DAO and models. Hand crafting solutions is quite time consuming. I found something called Unitils which refines another project Dbunit. In theory it should significantly reduce the complexity and save some time. So one Saturday, I sat down to explore the space and write this blog.