Spring Data JPA – Repositories Done Right
Oliver Gierke demoes using Spring Data JPA to create repositories using a Domain-driven Design approach.
Oliver Gierke demoes using Spring Data JPA to create repositories using a Domain-driven Design approach.
Uncle Bob and Simon Brown debate on the infrastructure’s role in drawing a system’s architecture.
The International Software Product Line Conference (SPLC) is the most important event that covers the full range of Product Line Engineering in software-intensive products. Its 15th incarnation will take place in the Munich City Center from August 21st to August 26th.
Should one approach SOA domain modeling starting with informational or functional constructs? Is a canonical data model the answer to standardizing message formats? What are the various stages of SOA information modeling? Experts on Gervas Douglas's SOA distribution list on yahoo groups put forth their views to answer these questions and more.

Domain-Driven Design Using Naked Objects book, by author Dan Haywood, covers the Domain-Driven Design topic using the open-source Java framework Naked Objects framework (which is now part of the Apache Isis incubator project). InfoQ spoke with Dan about the book, Naked Objects framework and its recent submission to be an Apache project.

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.

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.
Richard Pawson discusses a case study of a large pure OO project for the Irish government, presenting the challenges met, the reason for choosing pure OO, and lessons learned implementing it.

Ian Bond presents the development of a trade flow event-driven architecture, providing the background of futures trade, the domain and the solution, sharing some of the lessons learned along the way.
In this interview at Agile 2011, Jez Humble discusses continuous delivery and the deployment pipeline, emphasizing the importance of feedback and automating tests at every level to validate deployments. Gone are the days of massive acceptance test scripts. He also talks about the evils of feature branching, and speaks on the DevOps practices to collaborate all the way through the delivery cycle.
Udi Dahan talks about Command Query Responsibility Segregation (CQRS) and its relationship to Domain Driven Design (DDD). Dahan also discusses his project, the NServiceBus. NServiceBus is an open-source service bus for Microsoft's .NET environment. In many ways, NServiceBus works like Microsoft's Windows Communication Foundation (WCF) and can be used instead of WCF in some cases.