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Hades - JPA Repositories Done Right

Almost every application has to access data to do its work. In a domain driven design approach one defines repositories for the entities that make up the domain. Java developers often use JPA to implement these repositories. Hades is an open source library that's built on top of JPA and Spring to significantly improve the implementation of data access layers by reducing the effort required.

Oliver Drotbohm
on Dec 20, 2010
An Introduction to SpringSource's Advanced Message Queuing Protocol Support

This article looks at the problems AMQP is aiming to address, exploring some of the debate and controversy that the draft specification has generated. We talk to SpringSource's Mark Pollack and Mark Fisher, to find out more about their AMQP-based products, and iMatix's Pieter Hintjens about his work on the specification and his concerns around the direction it has taken.

Charles Humble
on Dec 06, 2010
Scala & Spring: Combine the best of both worlds

Based on a concrete example with Scala, Spring and JPA the article explains how to enhance Spring with Scala’s powerful concepts such as implicit conversions and traits. Moreover, it shows how the gap between a Java based framework and Scala can smoothly be bridged.

Urs Peter
on May 19, 2010
A Discussion with Allard Buijze on CQRS with the Axon framework

The Axon framework is a Java implementation of the Command and Query Responsibility Segregation. InfoQ talked with its creator, Allard Buijze, to find out more.

Josh Long
on Mar 24, 2010
A Comparison of Spring MVC and JAX-RS

SpringSource's Rossen Stoyanchev introduces the Spring MVC REST features available in Spring 3 and relates them to JAX-RS, highlighting the similarities and differences between the two programming models.

Rossen Stoyanchev
on Feb 10, 2010
Open Cloud Will Make Business SHINE

William El Kaim describes an Open Cloud Model based on agile principles and driven by an independent user community to define it further. He provides a sketch of a potential Cloud Operating System. He also defines the SHINE principles for transforming IT into BT (Business Technology).

William El Kaim
on Nov 02, 2009
Creating and Extending Apache Wicket Web Applications

Apache Wicket is a powerful, light-weight component-based web application framework with strong separation of presentation and business logic. It enables you to create quality Web 2.0 applications which are easy to test, debug and support.

Krzysztof Śmigielski
on Nov 02, 2009
Book Excerpt and Interview: Dependency Injection

Dependency Injection by Dhanji R. Prasanna is a book that tries to explore the DI idiom in detail, and present techniques in Spring and Guice. Dhanji is a Google software engineer who works on Google Wave and also contributes to Guice, MVEL, and other open source projects.

Dio Synodinos
on Sep 07, 2009
Super-sized Flex Development—Without the Extra Calories

Ryan Knight discusses how Adobe Flash Builder 4 beta provides tools for developing large-scale Flex applications, increasing developer productivity and workflow between designer and developer. He talks about how to leverage Flex's differences, details of some Flex modules, patterns and anti-patterns, and the Spring BlazeDS Integration Project.

Ryan Knight
on Aug 13, 2009
Spring BlazeDS Integration: What it Is and What Does it Change?

Spring BlazeDS Integration is a collaborative effort of Spring and Adobe. The goal: to allow the Spring development model to be used for creating rich Internet applications (RIAs) with Adobe Flex, BlazeDS, Spring, and Java technology. This article explores how applications are wired and explains how you can easily convert an existing Spring project to use this new integration.

Ryan Knight
on May 14, 2009
Why Do We Need Distributed OSGi?

Recently, an early release draft of a Distributed OSGi requirements and design document has been published, long with a reference implementation as part of Apache CXF. In a new article, Eric Newcomer writes about the current status of distributed OSGi and explains the reasons for standardizing it in the first place, and its significance to the OSGi specification and community.

Eric Newcomer
on Feb 23, 2009
Workflow Orchestration Using Spring AOP and AspectJ

This article demonstrates how to build and orchestrate highly configurable and extensible yet light-weight embedded process flow using Aspect Oriented Programming (AOP) techniques. The current examples are based on Spring AOP and Aspect J, however other AOP techniques could be used to accomplish the same results.

Oleg Zhurakousky
on Dec 29, 2008