Development Tools In ScalaIncrease Programmer’s Productivity

Me

https://facebook.com/hiraqhttps://twitter.com/_hiraq @_hiraq

Scala Programmer Levels

A1 : Beginning Application ProgrammerA2 : Intermediate Application ProgrammerA3 : Expert Application ProgrammerL1 : Junior Library DesignerL2 : Senior Library DesignerL3 : Expert Library Designer

Disclaimer

1. My Level -> A1 (Wannabe)2. Research > Coding

Why I Choose Scala ?

1. Twitter: From ruby to scala (backend)2. Foursquare: From php to scala (all)3. Mindtalk : From python to scala

from dynamic typing to static typing

Problem With Scala

1. Internet Connection2. Compile3. SABAR

Companies Using Scala

1. Twitter2. Foursquare3. Netflix4. Ebay5. Tumblr6. AirBnB7. Mindtalk8. …………...Apple?

Scala’s Frameworks

1. Lift2. Play (hello world)3. Scalatra4. Finatra (proved)5. Splay (toolkit)

Scala Web Server

1. Finagle (Twitter) -> Finatra2. Socko3. spray-can

Scala NoSQL Framework

1. Casbah (Mongodb) -> proved2. ReactiveMongo : Asynchronous Mongodb3. Sandra : Apache cassandra & Scala4. Scala-redis5. Gizzard

Scala Unit Test

1. Scalatest -> proved2. Scalacheck -> property based unit test3. Spec2 -> bdd

For Development

1. sbt (plugins: assembly / pack)2. conscript3. g8

SBT - (not so)Simple Build Tools

1. Scala2. Java3. c++

SBT - What’s for

1. Choose Scala Version2. Library dependency management3. Compile & package

SBT - Plugins

1. Assembly - Fat jar (Finatra)2. Pack - compile, packaging + installing

(support unix (linux) & windows), support versioning

https://github.com/sbt/sbt-assemblyhttps://github.com/xerial/sbt-pack

Conscript & g8

conscript : install & updateg8 : generate files & directories from templates published in github

g8 example template

1. fayimora/basic-scala-project : simple scala project + scala test2. pmandera/basic-scala-project : simple scala project + spec23. scalatra/scalatra-sbt : basic scalatra template

Installation - Conscript

curl https://raw.githubusercontent.com/n8han/conscript/master/setup.sh | sh

Installation - g8

curl https://raw.githubusercontent.com/n8han/conscript/master/setup.sh | sh

Command line

1. g8 fayimora/basic-scala-project2. sbt

Setup sbt pack

packSettings

packMain := Map("shorten" -> "api.hiraq.google.shortenurl.Shorten")

Demo - Google ShortenURL API

1. g8 -> fayimora/basic-scala-project2. Basic scala project3. Scalatest4. sbt pack

https://github.com/hiraq-scala/google-shorten-url