I think the Java thing about it is to create an external language to compensate for the deficiencies of the actual language in writing declarative code. For mo

I think the Java thing about it is to create an external language to compensate for the deficiencies of the actual language in writing declarative code. For most of the examples, you could probably easily write type-safe Scala code that does exactly the same, while still being flexible enough to handle the cases that the DSL doesn't currently handle.