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Using Hibernate to Support Custom Domain Object Fields

Hibernate is a widely used ORM tool for Java. Some applications of it are not always straight forward however. A new InfoQ article looks at using Hibernate to provide a commonly requested feature of custom fields for domain objects without requiring a restart of the system. The article will walk through the solution's implementation, testing, and future improvements.

Enterra Inc.
on Nov 05, 2007
Yahoo's Doug Cutting on MapReduce and the Future of Hadoop

InfoQ's lead Java editor, Scott Delap, recently caught up with Hadoop project lead Doug Cutting. Hadoop is an open source distributed computing platform that includes implementations of MapReduce and a distributed file system. In this special InfoQ interview Cutting discusses how Hadoop is used at Yahoo, the challenges of its development, and the future direction of the project.

Scott Delap
on Sep 12, 2007
Book Excerpt and Review: Hitchhiker's Guide to Visual Studio and SQL Server

With SQL Server 2000's hitting its end of life date next April, many shops that have been delaying the upgrade to SQL Server 2005 need to start looking at it seriously. This is why we have chosen to review the seventh edition of William Vaughn's Hitchhiker's Guide to Visual Studio and SQL Server.

Jonathan Allen
on Aug 27, 2007
"Code First" Web Services Reconsidered

In this article, Dennis Sosnoski questions the conventional wisdom that a contract-first approach to web services development, i.e. starting from WSDL, is superior to starting from code. He shows how the JiBX framework can be used to practice start-from-code development without incurring the disadvantages, specifically without coupling implementation and interface too tightly.

Dennis Sosnoski
on Aug 27, 2007
Using ETags to Reduce Bandwith & Workload with Spring & Hibernate

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.

Gavin Terrill
on Jul 11, 2007
Using Java to Crack Office 2007

Office file manipulation used to be difficult, but since Office 2007, Word, Excel and Powerpoint files can be read and written without anything more complicated than the native JDK itself because Office 2007 documents are now nothing more than ZIP files of XML documents. Ted Neward demonstrates this in action.

Ted Neward
on Jun 04, 2007
Ruby on Rails case study: ChangingThePresent.org

Bruce Tate, author and CTO of ChangingThePresent.org gives a glimpse inside the day to day operations of ChangeThePresent.org with a broad overview of how his team works, the technology trusted for production environments, tools, and most important Rails frameworks.

Bruce Tate
on Mar 26, 2007
Introduction to ActiveMessaging for Rails

The maintainer of ActiveMessaging for Ruby on Rails gives a comprehensive and informative introduction to his open-source framework, which enables enterprise messaging technologies to be easily integrated with Ruby on Rails applications, and is getting support from noted industry leaders such as James Strachan and Jon Tirsen.

Andrew Kuklewicz
on Mar 01, 2007
Spring 2.0: What's New and Why it Matters

Spring co-founder Rod Johnson provides the definitive article on the motivations behind and uses of the new features in Spring 2.0. This first article covers the Spring core container, XML configuration extensions, AOP enhancements and Java 5-specific features.

Rod Johnson
on Jan 15, 2007
ORM with DrySQL and ActiveRecord

ActiveRecord fails the DRY principle, especially if your database doesn't follow Rails naming conventions. As well, ActiveRecord associations and validations are redundant specifications of database constraints. Bryan wants to avoid (as much as possible) the situation where he's averse to making changes to his database schema, because of the resulting effort to change his app code.

Bryan Evans
on Dec 08, 2006
Compass: Integrate Search into your apps

Many applications have the user requirement to search domain entities. SQL implementations quickly develop complexity issues as multiple fields are added. Java applications explore the Lucene indexing API but implementing functionality using it can prove time consuming. This tutorial walks through the process of using the Compass API to simplify this integration.

Shay Banon
on Nov 29, 2006
Incorporating Enterprise Data into SOA

The majority of today's SOA design techniques are centered around definition of services. They use service-oriented decomposition, based on the business processes, enterprise business/functional model, required long term architectural goals and reuse of the existing enterprise functionality. This article takes a more data centric approach...

Boris Lublinsky
on Nov 22, 2006

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