Learning from activator templates

There is a growing list of reactive applications based on iteratees that have been packaged and deployed as activator templates. At the time of writing this book, we have identified more than five templates and you can look at a few of them. They often mix technologies such as WebSockets with Akka for communication and message processing and, on the client side, JavaScript frameworks such as Angular.js, to often provide simple HTML rendering.

As the Typesafe activator templates HTML page lets you select tags to filter out projects depending on some keywords, you may check the appropriate projects by selecting the reactive checkbox.

Reactive stocks

This sample is a project based on the Java version of Play. It graphically demonstrates the real-time update of stock values (that are randomly generated for simplicity). It contains both Java and Scala code. An Akka StockActor actor is instantiated for every stock symbol, and its role is to maintain a list of all...