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Being a part of the wild wild web, your application is encompassed by a lot of streams of live business, social events and messages on top different protocols and technologies including long-polling, comet, and websockets. It is becoming hard for any modern application to resist integrating into these flows of data. To do so, however, you need the appropriate paradigm with a composable model to consume, combine, forward and publish these live streams with minimal and predictable consumption of resources (CPU, memory, ...).
Play2, a web framework targeting Java and Scala, uses functional programming and a model called Iteratee to respond to these needs.
Through the development, step by step, of a concrete Web application involving real time streaming and Web Services mashup, we’ll demonstrate the expressiveness and robustness of Play 2.
4th–6th April 2012