WatchService combined with Akka actors

WatchService is a handy class that can notify you about any file system changes (create/update/delete of file) in a given…

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Synchronizing transactions with asynchronous events in Spring

Today as an example we will take a very simple scenario: placing an order stores it and sends an e-mail…

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Scala traits implementation and interoperability. Part I: Basics

Traits in Scala are similar to interfaces, but much more powerful. They allow implementations of some of the methods, fields,…

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FitNesse your ScalaTest with custom Scala DSL

This article won’t be about FitNesse. As matter of fact I don’t like this tool very much and it seems…

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Promises and futures in Clojure

Clojure, being designed for concurrency is a natural fit for our Back to the Future series. Moreover futures are supported…

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Promises and Deferred objects in jQuery and AngularJS

Series of articles about futures/promises without JavaScript would not be complete. Futures (more commonly named promises in JS land) are…

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DeferredResult – asynchronous processing in Spring MVC

DeferredResult is a container for possibly not-yet-finished computation that will be available in future. Spring MVC uses it to represent…

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Futures in Akka with Scala

Akka is actor based, event-driven framework for building highly concurrent, reliable applications. Shouldn’t come a surprise that concept of a…

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Advanced ListenableFuture capabilities

Last time we familiarized ourselves with ListenableFuture. I promised to introduced more advanced techniques, namely transformations and chaining. Let’s start…

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