Spring XD (eXtreme Data) is Pivotal’s Big Data play. It joins Spring Boot and Grails as part of the execution portion of the Spring IO platform. Whilst Spring XD makes use of a number of existing Spring projects it is a runtime environment rather than a library or framework, comprising a bin directory with servers that you start up and interact with via a shell.
Reactive programming is a very hot topic: InfoQ asked three proponents of reactive programming how their libraries and frameworks achieve reactiveness and what this means for the developer. The participants are Viktor Klang (Akka), Timothy Baldridge (Core.Async), and Jafar Husain (RxJava).
ActiveJPA is a Java implementation of Martin Fowler’s Active Record pattern that wraps around JPA and provides useful abstractions to simplify data access. With ActiveJPA, models themselves act as a DAO and interact with the database without requiring additional code for the DAL. In this article the primary committer discusses ActiveJPA and provides plenty of usage examples.
This article will focus on the commonalities between Groovy and Java 8, and will demonstrate how familiar Groovy concepts translate to Java 8. 5
Akka Tech Lead Dr. Roland Kuhn offers a behind the scenes look at Akka, showing what the driving forces behind the development of its guiding principles are. 4
James Turnbull makes a compelling case for using Logstash for centralizing logging by explaining the implementation details of Logstash within the context of a logging project. 2
This article is part of the "DevOps War Stories" series.Each month we hear what DevOps brings to a different organisation, what worked and what didn’t and the challenges faced during adoption.
Scalatra is a lightweight but full-featured MVC framework with a lively community and having started as a port of Sinatra it has gained capabilities such as an Atmosphere integration and Akka support. 2
Over the last few years unit testing has been considered a “solved problem.” All the information, books and tools are out there, just pick up NUnit, and you’re good to go, right? Not exactly. 1
A look at some of Java 8’s new features, using both Java’s proposed syntax and Scala. We cover lambda expressions, higher-order functions, parallel collections and virtual extension methods 27
Groovy 2.0 brings key static features to the language with static type checking and static compilation. In this article, we’re going to look into those new features in more detail. 32
Matt Callanan has been pushing the boundaries of Agile software development and most recently he extended that journey to DevOps. InfoQ caught up with Matt to find out more about his experiences. 1