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IBM WASV7 Java Persistence API (JPA) 2.0 Open Alpha
Object-relational persistence is a key developer requirement for many application developer scenarios. JPA is the Java EE standard for object-relational persistence and was first introduced as part of Java EE 5. As part of the Java EE 6 standards, JPA 2.0 (JSR-317) updates object-relational capabilities with important developer APIs and enhancements.
Key additions in JPA 2.0 include:
Significant programmer productivity improvements
Innovative APIs from Open Source (standardized)
Extended query language
The WebSphere Application Server JPA implementation is based on Apache OpenJPA, a leading open source Java persistence framework. This alpha provides the Apache OpenJPA 2.0 implementation with IBM enhancements to benefit integration with WebSphere Application Server. The Apache OpenJPA 2.0 implementation includes improvements and benefits over previous releases and even beyond the JPA 2.0 specification.
Highlights of the JPA 2.0 implementation delivered in the alpha:
Proposed Final Specification Draft #2 compliant implementation
Standards based APIs from open source
Significant programmer productivity improvements
Query language (JPQL) extensions and improvements
High performance implementation
Programmatic control of database access optimizations
Fetch groups, fetch plans, access intents
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Message #328776
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Re: IBM WASV7 Java Persistence API (JPA) 2.0 Open Alpha
Isn't IBM 'supposed' to wait a couple of years before starting to implement a new Java specification?
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Message #328799
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Change happens
Isn't IBM 'supposed' to wait a couple of years before starting to implement a new Java specification?
Change happens, sometimes. Isn't that a good thing?
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Message #328834
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Re: IBM WASV7 Java Persistence API (JPA) 2.0 Open Alpha
Isn't IBM 'supposed' to wait a couple of years before starting to implement a new Java specification?
If you have nothing to say, say nothing.
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Message #328942
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Re: IBM WASV7 Java Persistence API (JPA) 2.0 Open Alpha
Isn't IBM 'supposed' to wait a couple of years before starting to implement a new Java specification?
If you have nothing to say, say nothing.
I do agree that I sounded more than a little sarcastic, but it's not really my intend to be rude in any way.
At the very least you could see my remark as simply noticing the fact that IBM, which used to focus on stable implementations some time after a spec is released, is now maybe reconsidering its strategies by releasing an (alpha) implementation of something even ahead of the spec.
Of course, this is an highly welcome and interesting change.
My apologies if anyone took offense of my comment.
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Message #328980
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Re: IBM WASV7 Java Persistence API (JPA) 2.0 Open Alpha
I wonder why everyone on this list hates IBM so much. Here's just another front page story with lots of anti IBM comments: http://www.theserverside.com/news/thread.tss?thread_id=58363
I remember a looonnnggg time ago I was evaluating app servers and I was very disappointed by the slow startup time and resource-hungryness of WebSphere and WebLogic, especially compared to Orion (RIP). Back then the WebSphere IDEs were as slow as hell too. Have things improved at all in the past 3-4 years?
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Message #329008
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IBM is deeply involved
IBM is deeply involved in and is committed to the open source community. An alpha is a way to allow users of products to get into it early and provides an opportunity for people to contribute (whether with code or comments) before the product is finalized. This completely in the open-source spirit. When the final release comes, it will not only have been through the scrutiny of developers but also have been vetted by end-users.
IBM has a big megaphone and this announcement will result in a robust round of contribution, which must ultimately improve the final product.
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Reza Rahman explores the features of the proposed JSR 299, Contexts and Dependency Injection for Java EE (CDI). When approved, it promises to be a key feature of Java EE 6.
(November 2, Article)
SAML is an XML-based standard for exchanging authentication and authorization data between security domains. The single most important problem that SAML was created to solve is the Web browser Single Sign-On problem. Many organizations are debating whether to stay with version 1.1 or move to 2.0. This article makes observations about both options.
(September 28, Article)
Joe Ottinger takes a look at how people learn, and applies it to the practice of programming. He notes that understanding how people learn is an essential part of working in a programming team.
(September 22, Article)
Stephen Maryka gave us an article about the Asynchronous Web and posed a number of questions that get examined like an approach to delivering Asynchronous Web capabilities through extensions to existing Java EE technologies.
(July 14, Article)
JavaServer Faces Flex goal is to provide users capability in creating standard Flex components, part of flexSDK which is open sourced through MPL license, as normal JSF components. This article by Ji Hoon Kim will provide an overview of creating a simple multilingual JSF page consisting of JSF Flex tags.
(June 29, Article)
In this session Jeff explores the key characteristics of successful SOA projects. He covers some of the patterns, and anti-patterns, tool sets, and strategies that he himself learned the hard way. Last, he provides a strategy and blueprint for achieving a high likelihood of success in your SOA project.
(June 23, Tech Talk)
Ari Zilka, CTO of Terracotta, Inc., talks about the new features in Terracotta 3.1, announced during JavaOne and available now.
(June 15, Tech Talk)
In this Tech Talk, Josh Long explores an integration challenge using Spring Integration and walks through the implementation, employing and expanding on the basic patterns of Enterprise Application Integration to tie together components into a function integration solution, and then demonstrates how Spring Integration helps address the integration requirements.
(June 15, Tech Talk)
In this Tech Talk, David Geary teaches you: The basics of Google Web Toolkit; How to implement Ajax-enabled applications in Java; Internationalization; Hooking into the browser history mechanism; Remote procedure calls.
(June 4, Tech Talk)
Jon Kern discusses the best architecture/technical solutions and ensure that they are repeated by all developers. By tackling the architecture up-front in a serial manner, subsequent parallel development will be much more manageable and predictable.
(May 28, Tech Talk)
This keynote describes the frustrations of modern knowledge workers in their quest to actually get some work done, and solutions for how to guard yourself against all those distractions. Neal Ford talks about environments, coding, acceleration, automation, and avoiding repetition as ways to defeat the misguided attempts to sap your ability to produce good work.
(May 26, Tech Talk)
Gil demonstrates how new, aggressive uses of already abundant compute capacity by common applications offer competitive value for application designers.
(May 21, Tech Talk)
Chris Keene introduces WaveMaker as a new way to automate the ability to generate Hibernate classes in order to more quickly bring OR mapping into an application.
(May 19, Article)
In this session Nati Shalom demonstrates how to take a standard Java EE web application and scale it out or down dynamically without changes to the application code. Seeing as most web applications are over-provisioned to meet infrequent peak loads, this is a dramatic change because it enables growing your application as needed, when needed, without paying for unutilized resources.
(May 19, Tech Talk)
Download the entire book of Jakarta-Struts Live and learn about Struts MVC, Tiles, the Validator, DynaActionForms, plug-ins, internationalization, and more.
(Book PDF Download)
The Application Server Matrix is a detailed listing of J2EE vendors and their application server products, with information on latest version numbers, J2EE spec support and licensing, pricing, platform support, and links to product downloads and reviews.
(Application Server Comparison Matrix)
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