Domain driven design can be most readily applied to stable domains but it becomes more challenging when the domain itself is in a state of flux and development. This is common in Agile projects, and happens also when the business itself is trying to evolve. This article examines how we used DDD in the context of a two-year programme of work to rethink and rebuild guardian.co.uk.
This presentation by Hamilton Verissimo and Oren Eini show Castle Active Record - an ORM solution for .NET building on NHibernate. After an introduction, the presentation dives into various advanced topics and techniques for working with Castle Active Record.
In this presentation from QCon London 2007, William Soo and Meeraj Kunnumpurath discuss the Voca transaction processing system architecture, the previous Mainframe-based architecture, architectural challenges and requirements, the new Spring and J2EE-based architecture, upcoming challenges for Voca, and technologies to watch for in the future.
NHibernate 2.0 Alpha has been released this week. The current 2.0 release is the first step to the feature set of Hibernate 3.2.6, many classes have been completely rewritten and lots of features have been added.
In this panel, the editors of InfoQ.com (Floyd Marinescu) and ODBMS.org (Roberto V. Zicari) asked a group of leading persistence solution architects their views on the current state of the union in persistence in the Java community.
JRuby project lead Charles Nutter discusses how he got involved with JRuby, Sun's involvement with JRuby, how JRuby fits into enterprise-level web applications, the possibility of a friendly fork of the OpenJDK source code, reasons for switching to JRuby, the future of JRuby, Spring and JRuby, and the Ruby community as a whole.
In this presentation from QCon San Francisco 2007, SpringSource CTO and AspectJ project lead Adrian Colyer discusses where Aspect-Oriented Programming (AOP) should be used, practical applications of AOP in enterprise situations such as Hibernate exception translation and automatic operation retry on nonfatal exceptions, and AOP mechanisms in Spring 2.5.
SQLite is an open source database that has been growing in popularity. It's footprint is small and is used in a wide-variety of types of applications.
java.net is hosting an article written by Sharad Acharya titled "Java Persistence Framework: Which, When, and What?" that compares four popular persistence frameworks: CMP Entity EJBs, JPA, Hibernate, and TopLink. Acharya discusses each technology and summarizes his findings in a matrix.
The Castle Project is an open source project that runs on .NET, providing an MVC (Model-View-Controller) framework similar to the popular Ruby on Rails. The Castle Project has been in development since 2003 and released Version 1.0 RC2, in November of 2006. As the project nears its V1.0 RC3 we caught up with Hamilton Verissimo, the founder of the project.
Azadeh Ahadian of IBM has published an article introducing JLINQ on IBM's developerWorks site. Despite the name, JLINQ does not have much in common with Microsoft's LINQ, rather it is an Eclipse plugin providing integration with a database and runtime DAO code generation. The plugin is part of IBM's Developer Workbench that is coming with Viper, the next release of DB2.
The ActiveHibernate project brings Hibernate features to JRuby - for those tricky ORM use cases that go beyond what ActiveRecord offers. We talked to project maintainer Johan Andries.
Gavin Terrill explores one of the lessor known facilities available to web developers, the humble "ETag Response Header", and how to integrate its use in a Spring and Hibernate based web app to improve application performance and scalability.
The second beta of the new Hibernate Search project was recently released. InfoQ spoke to project lead Emmanuel Bernard to find out more. The Hibernate Search project is aimed at users of Hibernate or JPA that want to make their Hibernate/JPA-managed objects accessible via indexed, full-text search.
Jetbrains recently released a preview release of IntelliJ 7. Key features include Hibernate, Spring, and Clearcase support.