CQRS and Event Sourcing provide a clear and concise way to build distributed applications that adhere to the reactive manifesto, Duncan DeVore claimed in a recent presentation sharing his experiences building a distributed application using Akka and Scala.
Oracle's latest update to Java, 8 update 11, introduced a breaking change that has affected a range of third-party tools, including JRebel, Groovy and Google's Guice library.
During the recent GR8Conf Europe 2014, Cédric Champeau, Senior Software Engineer working on Groovy for SpringSource/Pivotal, has performed a live merging of the pull request that brings support for Groovy on Android.
The Play 2.3 release increases modularization of the framework by separating parts from the framework. Also, the Play shell has been replaced by Activator, which includes a browser UI and project templates. InfoQ also talked to Play tech lead James Roper to learn more about the changes and futures plans.
Typesafe has recently announced the release of Scala 2.11 under the standard 3-clause BSD license. This is a major release which includes improvements in scalac, the REPL, packaging/modularization, macros, the Collections library, and various bug fixes. Scala 2.11 targets Java 6, with only limited, experimental support for Java 8. Scala 2.11 is not binary compatible with the 2.10 series.
Groovy Project Manager at Pivotal Guillaume Laforge today announced the release of Groovy 2.3, the first major Groovy release this year, and the first major release of Groovy to feature official support for running on the recently released Java 8.
TechEmpower has been running benchmarks for the last year, attempting to measure and compare the performance of web frameworks. For these benchmarks the term “framework” is used loosely including platforms and micro-frameworks.
Groovy 2.3 will ship with one of the fastest JSON parsers on the JVM, according to Rick Hightower, the ubiquitous consultant and author.
Typesafe has announced the early preview of Akka Streams, an open source implementation of the Reactive Streams draft specification using an Actor-based implementation. Reactive Streams is an initiative to provide a standard for asynchronous stream processing with non-blocking back pressure on the JVM. Back pressure in needed to make sure the data producer doesn't overwhelm the data consumer.
Latest version of the Akka toolkit, an implementation of Actor Model, comes with persistence enabling stateful actors to persist their internal state, together with support for Java 8 lambda expressions.
Prismatic have added data coercion in the 0.2 release of their Clojure data description library, Schema. The addition of coercion means that the library doesn’t just reject data that has the wrong types, but it can be configured to modify instances to fit the schema. InfoQ talked to Prismatic's Jason Wolfe about Schema.
Chris Granger has open sourced the LightTable IDE with the 0.6 release. Third party plugin support was the highlight feature of the release. InfoQ talked to LightTable creator Chris Granger.
Version 2.0 of Slick, a Functional-Relational Mapping, FRM, library for Scala, (corresponding to an Object-Relational Mapper, ORM, for object-oriented languages), was recently released with a code generator for reverse-engineering a database schema and new driver architecture to allow support for non-SQL databases.
Ten years ago today, the first release of the Scala language was announced on the comp.lang.scala newsgroup. It's come a long way in ten years; what will the next ten years be like? InfoQ looks back.