jpa

JPA and First Tier Application Performance Problems

I want to write about JPA, performance, caching and related things. Though it wont be very well organized, it may come useful for new JPA developers. Recently...

3 replies - 2571 views - 09/07/09 by Masoud Kalali in Articles

OpenXava 3.1.4: Rapid Java Development

OpenXava 3.1.4 is a framework to develop Java Enterprise applications in a different way: You provide only your POJOs annotated with JPA and you obtain an...

0 replies - 475 views - 08/31/09 by Javier Paniza in Announcements

How to use GlassFish Managed JPA EntityManager in Spring

When you deploy your application into a Java EE 5 application server it detects the persistence.xml, creates an EntityManager for each persistence unit, and...

6 replies - 2064 views - 08/11/09 by Ryan de Laplante in Tips and Tricks

JPA 2.0 Concurrency and Locking

Optimistic locking lets concurrent transactions process simultaneously, but detects and prevent collisions, this works best for applications where most...

1 replies - 4227 views - 08/03/09 by carol mcdonald in Articles

OpenXava 3.1.3: Productivity and Flexibility for Java EE

OpenXava 3.1.3 is a framework to develop Java Enterprise applications in a different way: OpenXava avoids MVC. It's a JPA Application Engine in that...

0 replies - 401 views - 06/23/09 by Javier Paniza in Announcements

Java Properties Without Getters and Setters

During the last Devoxx conference, Mark Reinhold, Sun's chief engineer for Java SE, gave a presentation on the latest directions for Java 7. (Hamlet...

13 replies - 8768 views - 05/30/09 by Javier Paniza in Articles

Model-Driven GUI Generation with OpenXava

This is a story about creating a user interface easily, or better yet, about having good user interfaces without working for them.

15 replies - 4853 views - 05/07/09 by Javier Paniza in Articles

OpenXava 3.1.2: AJAX applications from JPA entities

OpenXava 3.1.2, released recently, is a model-driven framework to develop Java Enterprise applications in an agile way: With OpenXava you provide only your...

0 replies - 406 views - 04/27/09 by Javier Paniza in Announcements

Oracle Enterprise Pack for Eclipse 11g released

Oracle Enterprise Pack for Eclipse (OEPE), the #1 free development environment for Oracle WebLogic Server, introduces new tools for Spring, Object /...

1 replies - 704 views - 03/27/09 by Pieter Humphrey in Announcements

Using Desktop MVC Patterns with ZK, Spring & JPA

In this article I will discuss the "ZkToDo2" sample application that demonstrates desktop MVC patterns using the ZK RIA AJAX framework, Spring and...

6 replies - 8706 views - 03/12/09 by simon_massey in Articles

The Eclipse Java Persistence Platform: EclipseLink’s Full Monty

The announcement of Eclipse’s Java Persistence Platform project signals the inauguration of a new generation of persistence in which all of the dominant...

6 replies - 6619 views - 03/03/09 by Nitin Bharti in Videos

OpenXava 3.1.1: Be Productive Developing Enterprise AJAX Applications

OpenXava 3.1.1 is a framework to develop Java Enterprise applications in a different way: OpenXava avoids MVC. You provide only your POJOs annotated with JPA...

0 replies - 591 views - 02/25/09 by Javier Paniza in Announcements

DataNucleus AccessPlatform 1.1.0

AccessPlatform 1.1 provides JDO/JPA persistence to RDBMS, ODBMS, XML, LDAP, Excel, JSON, and ODF

0 replies - 787 views - 02/23/09 by Andy Jefferson in Announcements

JPA 2.0: Why AccessType is Relevant

It has long been debated whether field access is superior to property access for JPA entities. Most arguments that I've seen hinge on performance versus...

12 replies - 4075 views - 02/18/09 by David Green in Tips and Tricks

JPA's Nasty "Unknown abstract schema type" Error

I'd been trying to debug the following error for days, and it drove me crazy. The problem, in a nutshell, is that JPA refuses to compile one of my...

1 replies - 3463 views - 01/13/09 by Khoo Chen Shiang in Tips and Tricks