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Seam - Configuration by Exception

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by , 04-27-2012 at 05:38 PM (993 Views)
The key design principal that makes Seam so easy to use is "Configuration by exception". The idea is to have a set of common-sense default behavior for the components. The developer only needs to configure the component explicitly when the desired behavior is not the default. For instance, when Seam injects component A as a property of component B, the Seam name of component A defaults to the recipient property name in component B. There are many little things like that in Seam. The overall result is that configuration metadata in Seam is much simpler than competing Java frameworks. As a result, most Seam applications can be adequately configured with a small number of simple Java annotations. Developers benefit from reduced complexity and, in the end, much less lines of code for the same functionalities developed in competing frameworks.

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JBoss Seam

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