Scala from the TrenchesVlastimil Menčík | Etnetera

2

Our “typical” project

E-commerce website (eshop, online betting, classifieds, …)– Datart, Fortuna, Annonce, …

Corporate or governmental website/portal– o2.cz, mzv.cz, eagri.cz, …

Backend web application– Often a counterpart for a frontend like the ones above

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

3

Tools of the Trade

Enterprise Java ecosystem– Java EE

– Spring

Our own tools– TFS (templating system)

– Tangle (web framework)

– jNetPublish (CMS)

And now Scala

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

4

Scala Tools we have adopted

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

SBT

5

Our Scala projects

E-commerce website– Play, MongoDB, Redis

– scheduled to launch in early 2014

Backend providing REST API for a corporate website– Play

Backend web application– Play

twinstone.org

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

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Pros & Cons

Superior language to Java

Java interoperability

Typesafe Reactive Platform– Play + Akka– non-blocking by default

Highly motivated developers

IDE– Eclipse for Java > Eclipse for Scala– IntelliJ has superior Scala support

Hiring– Very few professional Scala devs– Hint: hire Java devs

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

7

Recommendations

Take small steps

Avoid advanced stuff (Scalaz, macros)

Don’t reinvent the Wheel, use existing Java libraries

Adopt common coding style, do code reviews

Take Martin Odersky’s Coursera courses

10.04.2023 | Scala from the Trenches | Vlastimil Menčík

8

Q & A

10.04.2023 | Scala from the Trenches | Vlastimil Menčík