Akka Streams

You have already learned many concepts and developed a couple of Akka Streams examples in Chapter 7, Working with Reactive Streams. As the current chapter is an extension of Chapter 7, Working with Reactive Streams, I recommend that you refer to that chapter and practice those examples before going through this chapter.

Akka Streams revisited

Before moving into the integration of Akka Streams to the Play Framework web application, we will recollect our knowledge about Akka Streams API basics here.

The Akka Streams API has predominantly the following three components:

• Source
• Flow
• Sink

Source is a Producer of a streaming data and has only one Output and no Input points. Sink is a Consumer of a streaming data and...