Ok so last time we covered the basics of actors and the actor system (actor fabric) and covered how to send simple messages to actors. This time we will talk about actor hierarchies (supervision) and also actor lifecycles.
This time we will bring a Play Framework (scala based MVC web framework) into the fold, and shall be using the front end we have been working on so far to be the front end for the Play Framework back end.
So last time we looked at how to use Slick to connect to a SQL server database. This time we look at how to use one of the 2 popular Scala testing frameworks.
This article will focus on a simple REST example in Scala. It's an intermediate post that the next one will build on, I just thought it might be useful to show this one in isolation, before we move on to the real one which is to allow interactive queries over live Kafka streams.
In this post what we will be doing is looking at: How to install Kafka/Zookeeper and get them running on Windows, walking through a KafkaProducer, walking through a Kafka Streams processing node, and the duality of streams, and walking through Kafka Streams interactive queries
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