Professional Clojure: The Book

professionalclojureA book I contributed to, Professional Clojure from Wrox Press, has just been released. It’s an intermediate-level Clojure book, providing practical examples for working developers, with a particular focus on Clojure tools for building web applications.

I contributed a section on Datomic, an exciting database system with a focus on immutable data from the creator of Clojure. To my knowledge, this is one of the only books covering Datomic, and I was very pleased to have the opportunity to write about it. Check it out on Amazon, or if you’d like you can peruse the code samples for the Datomic chapter.

The book project approached me at an interesting moment. I was working at a company that was making extensive use of RDF, and I had written an adapter that let us treat Datomic as an RDF triplestore. In the process, I learned a fair amount about the mechanics of RDF and the internals of Datomic. As it turns out, RDF and its ecosystem were major inspirations in the creation of Datomic – as were, I am now quite sure, the various painful shortcomings of RDF and triplestore databases when it comes to building production systems.

This experience gave me a different perspective than I had on Datomic from my previous encounters with it. In the book, I really tried to give readers an understanding of the why and how of Datomic, its data model, and its design, in addition to covering its practical use. My hope is that it’s both readable and useful.

As a fun game, readers can also try and guess at what time of night I wrote various sections of the chapter based on how loopy and deranged the examples get.

One thought on “Professional Clojure: The Book

  1. Nikolay Ryzhikov June 23, 2016 / 1:10 pm

    Thank you for book and posr. Could you describe RDF eco-system shortcomings in more details?

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