How we Kotlinised the Java Persistence API - Kotlin London - November 2019

How we Kotlinised the Java Persistence API

Kotlin is great on the server: you get a modern, more usable language, with access to 25 years of tried and tested libraries that solve a lot of common engineering problems. The downside is that most of those libraries were written with Java development in mind, so using them from Kotlin can feel weirder, and less comfortable than an API written with Kotlin in mind.

The Java Persistence API, made famous by Hibernate, is one such library: What object type will this query return? When is it safe to persist objects? How can you tell if you’re in a transaction? These are all questions that the JPA makes really hard to answer, but with a bit of work, can become really easy to figure out in Kotlin.

In this talk, we’ll look at the Java Persistence API, and how we’ve used Kotlin’s features to make it feel like a natural Kotlin tool. You’ll come away from this talk with ideas of how to make your favourite Java libraries work better with Kotlin.



Chris is an Australian developer, speaker, and serial community conference organiser. He serves as a director of the Python Software Foundation, and is co-organiser of the acclaimed North Bay Python conference, a boutique one-track conference run in a live music venue in Petaluma, California.

By day, Christopher works as a Senior Software Engineer at AlphaSights, using Kotlin to build technology that helps connect investors, consultants, and corporate strategists to industry experts with the knowledge they need to make better decisions.



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