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Hibernate Object Mapping for NoSQL Datastores

by Rick Hightower on  Jul 12, 2011 6

Emmanuel Bernard, the developer behind Hibernate Validator, Hibernate Search, among others, recently announced the birth of Hibernate OGM. The new framework's goal is to provide a common interface for NoSQL datastores using JPA constructs. InfoQ spoke to Bernard to find out more about the framework.

Entity Framework 4.1 - Validation

by Roopesh Shenoy on  Jun 06, 2011 1

Validation is an interesting feature introduced in Entity Framework 4.1. It enables to validate entities or their properties automatically before trying to save them to the database as well as “on demand” by using property annotations. There are also a lot of improvements made to Validation from CTP5 to RTW version of Entity Framework 4.1.

Differing Opinions: DTOs vs Domain Objects

by Jonathan Allen on  Jun 06, 2011 5

Since the introduction of NHibernate and WCF, .NET developers have been moving closer and closer to the concept of unified entity-models. The end game here is that the same class can be act as your ORM entity, your WCF DTO, and your model for a MVC, MVP, or MVVM framework. Mark Seemann, author of Dependency Injection in .NET, argues this isn’t necessarily a good thing.

Introducing the Entity Framework Power Tools

by Jonathan Allen on  May 23, 2011 4

The introduction of a Code First option in Entity Framework has received quite a bit of praise. While it still has a long way to go before it unseats the reigning ORM, nHibernate, the progress Microsoft is making is quite astounding. In order to keep the momentum up Microsoft is releasing a set of power tools that will take an existing database and create a Code First representation.

StackOverflow’s ORM goes Open Source - Dapper.Net

by David Cooksey on  Apr 14, 2011 6

A simple ORM used in StackOverflow titled Dapper.Net was recently released on code.google.com. This ORM specializes in fast generation of objects from SQL query results. Dapper.Net supports mapping query results to a strongly typed list or a list of dynamic objects. The ORM is a single file of less than 500 lines of C# code and is available under the Apache 2.0 License.

Entity Framework 4.1 gets DbContext API – but no Database Evolution, SPs or Cached queries

by Roopesh Shenoy on  Mar 21, 2011

ADO.NET Entity Framework 4.1 is upon us – slated for a late April release, it will come with a whole set of new features, but not all of them are going to make it.

Oracle's Java EE 7 Plans Include Adding Cloud and HTML5 Support to the Platform

by Charles Humble on  Mar 15, 2011 2

Oracle filed the umbrella JSR for Java EE 7 last week, and the specification has now passed the initial review ballot stage. The overarching themes are emerging web technologies, cloud computing, and continued ease of use improvements including an overhaul to the JMS API. Elsewhere, JPA is scheduled to receive attention, and Oracle is talking about plans to revive the long dormant JCACHE JSR.

Introducing NHibernate 3.0

by Jonathan Allen on  Dec 12, 2010 7

NHibernate 3.0 is the first major release of the popular ORM in over a year. With the release it has changed the CLR version to .NET 3.5. This allows the creation of the QueryOver API, while replaces the string-based ICriteria expressions with strongly typed lambda expressions. This is in addition to the built-in LINQ provider.

Eclipse Virgo Released

by Alex Blewitt on  Nov 01, 2010 3

The inaugural version of Eclipse Virgo was released today, including the Eclipse Gemini Web component. Despite these being the first release under the Eclipse moniker, they are the natural evolution of the well-regarded Spring DM Server. Read on to find out what's important about this release.

The Latest NHibernate Developments

by Abel Avram on  Aug 12, 2010 1

The latest NHibernate developments include: the release of NHibernate 3.0.0 Alpha 1, NHibernate Profiler supporting NHibernate 3.0, and HQL Language Service for Visual Studio.

WebSphere 7 Feature Pack Supports OSGi-based Application Deployment and SCA Integration

by Srini Penchikala on  Jul 26, 2010

WebSphere Application Server V7 Feature Pack for OSGi Applications and Java Persistence API 2.0 offers a standards-based implementation of OSGi Blueprint Container specification and JPA 2.0. It also provides an optional feature to deploy and manage applications as versioned OSGi bundles. IBM recently announced the GA release of the feature pack which is based on Apache projects Aries and OpenJPA.

DataMapper Reaches 1.0 Milestone

by Robert Bazinet on  Jul 21, 2010 1

DataMapper, an Object Relational Mapper (ORM) for Ruby, arrived at a milestone recently reaching 1.0 status. The release, announced during RailsConf 2010, and coinciding with Dirkjan Bussink's presentation at the conference on the subject.

LLBLGen Pro 3.0 Now Supports Multiple Persistence Frameworks

by Abel Avram on  Jun 16, 2010 1

LLBLGen Pro is an ORM tool which supports multiple persistence frameworks: LLBLGen Pro Runtime, Entity Framework, NHibernate and LINQ to SQL. Other new features are: support for .NET 4.0, model-first or database-first development mode, model view, project validation.

OSGi DevCon London

by Alex Blewitt on  Mar 03, 2010 1

Last week saw the first OSGi DevCon London, held in conjunction with JAX London in Hammersmith's Novotel. Topics included features from the upcoming OSGi Enterprise Expert Group publication, using and testing OSGi in the cloud, accessing objects through JPA on an OSGi system and how modularity can defeat complexity brought on by exponential software growth.

Debate: Comparing NHibernate and EF 4

by Abel Avram on  Jan 12, 2010 11

Recently, a post by Oren Eini (a.k.a. Ayende Raheim) touched off a debate around the respective merits and capabilities of NHibernate and Entity Framework 4.0, two .NET-based Object/Relational Maping frameworks. InfoQ explored this debate in more detail to understand some of the perspectives which were given.

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