Tracking change and innovation in the enterprise software development community
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QCon San Francisco
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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.
Maintaining a historical view of database records has been a problem that has been solved before but not easily. Being able to restore entities to their previous versions including basic properties as well as their relationships is more than a trivial task. Recently Envers 1.0.0 GA was released, aiming to simplify JPA entity revisioning.
Kasper Sørensen has created a new open source project at eobjects.dk called MetaModel. The project is a common domain model, query engine, and optimizer for different types of datastores, such as relational databases and flat files. MetaModel is a Java library that provides a fluent, object-oriented interface for SQL compliant queries.
In this virtual 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.
The Business Intelligence and Reporting Tools (BIRT) Project is an open source software project that provides reporting and business intelligence capabilities for JEE and Java applications. This introduction dives into it various features such as the report designer, chart wizards, and web viewer. Future articles will dive into practical applications of BIRT in JEE and desktop applications.
At The Spring Experience conference, InfoQ caught up with Patrick Linskey of BEA to discuss the current status of the Apache OpenJPA project. Linskey explains where OpenJPA came from, how it fits into the Object\Relational Mapping space, the differentiating features that OpenJPA provides, the JPA specification, and future plans for OpenJPA.
LINQ creator Erik Meijer talks about the design and capabilities of LINQ, how to use it, why to use it, how it differs from XQuery, how it addresses ORM, extension methods, EDM, and more.
This talk covers the key aspects of the Java Persistence API and its role in the development of EJB 3 app, including use of the EntityManager API, persistence units and persistence contexts, queries, object/relational mapping, and how the combination of EJB 3 and Java Persistence facilitates the development of Java EE applications.
Like other leaders in the Agile community, Scott Ambler is passionate about expanding Agile practices to include all contributors to software success. Recently he has been teaching teams how to integrate database roles into the iterative, incremental rhythm of their teams. InfoQ captured Ambler's talk on Database Refactoring at Agile2006.
