I reworked my OpenStack API based cluster builder Ossipee last weekend. It makes heavy use of dependency resolution now, and breaks apart the super-base class into properly scoped components.
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There is a killer feature in Java 8, and it is not Lambdas.
My last post suggested an extension to the Java language that I think will be quite helpful. Until such a feature exists, we can fake it by using annotations.
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There is a very small feature that could be added to Java in order to improve it significantly: Add names to the Parameter object in the Reflection API.
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Object oriented design principals are not language specific. While there is variation from language to language on details of implementations, and some techniques are not appropariate to all languages, for the most part, good design is good design.
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The FreeIPA UI approach attempts to use a Domain Specific languages for UI definition. While I like how it has emerged thus far, I don’t feel we are yet where we need it to be.