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DataNucleus provides Java data persistence to a range of datastores using JDO/JPA/REST APIs. *** Note that code development is no longer on SourceForge (code on SourceForge is for versions up to 3.3.5 only) ***
Druid is a GUI tool for database build and management. Users can add/change/delete DB objects (tables, fields, etc). Druid generates for you: SQL scripts, docs in XHTML, PDF, DocBook, etc; code in C, C++ & Java Beans even for JDO and support Castor & OJB
TriActive JDO (TJDO) is an open source implementation of Sun's Java Data Objects (JDO) specification, designed to support transparent persistence using any JDBC-compliant database. It auto-generates DDL and auto-validates DB structure at runtime.
A simple SQL Query -> Java Object mapping layer. Simpler than Hibernate or JDO, and much lighter weight. Compatible with the JDBC 4, EoD API from Java 6 beta.
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A complete, fast, previously commercial, JDO 1.0.1 implementation for databases, opened by Versant in 2005 and then abandoned in early 2006. The design-time code is already in Eclipse Dali. This project is the original source drop, including the runtime.
Middlegen is a free general-purpose database-driven code generation engine based on JDBC, Velocity, Ant and XDoclet. If you already have a database, you can use Middlegen to generate EJB (CMP 2.0), Hibernate, JDO and JSP/Struts source code.
If your project demands you to persist java objects in any environment (J2EE etc), use standards but switch to any standards such as JDO, EJB, Hibernate anytime,
use default mapping for build from the scratch apps "EasyPersistence" is your solution
Object Relational Persistence and Object-Based SQL Query API. Similar to that of Hibernate or JDO but much better structured design. This API has several layers of abstraction to be useful for nearly any situation.
This project is a feature-preview tool for JDO with JDK5's annotation usage.
It removes away the step of writing metadata files or modifying them when the model classes are greatly changed. An Ant task is provided to automatically do this step for you.
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This Eclipse plugin makes easy and fast to develop transaction applications in Java using JDO drivers. This tool integrates the JDO enhance command in JDT building process.
XORM is an extensible object-relational mapping layer for Java
applications. It provides interface-based persistence to RDBMSs using the Java Data Objects (JDO) API while allowing developers to focus on the object model, not the physical layer.
RDBS2J is a GUI based mapping tool from relational database schema to persistent java classes which use JDO as persistence mechanism. The mapping can be modified by the GUI. The current version is designed to create code for Apache-OJB.
AutoSQL provides a simple and easy to use framework meant to be a substitute for J2EE Entity beans and JDO. AutoSQL data objects give just the right abstraction from a writing SQL without being too far removed from the power of SQL.
The Castor Taglib allows you to execute OQL queries in your JSP page
(using Castor JD0). It also helps you to integrate Castor JDO with Java application servers like Tomcat, making use of JNDI and Tyrex for managed transactions. In future releases other
This project contains an component to building JDO applications with Castor (http://castor.exolab.org/). It's allow easy using of mappings with building OQL queries.
Given a set of classes, Struts-Genie generate a complete Object Oriented dynamic web application built with Java Struts, Tiles, JSP ... and Java Data Object (JDO) for object persistence management. Easy to use, to extend and to customize
open source UI components data binding framework for Java using JDO.
The linked components are forms, trees and tables and implementations are for Echo web framework, Swing and JSF. Also provides validation support, internationalisation etc
JBuilder Wizard OpenTool which offers one facilitated way to generate java source code through O/R mapping, such as Exolab's Castor JDO, DAO etc. It may also generate other adjunction files according to your needs, such as Castor JDO mapping file.
This is basically a layer for the Object Bridge project that will allow you to use the JDO specs. This project may disappear if it's decided to join it with the OJB project, but for now, it will allow me and whoever else wants to help to get moving.
Lyophilizer helps developers create systems of JavaBeans without worrying about different persistent/transactional/secure back ends. It is evolving into JDO and currently supports JDBC, EJB and in-memory storage.
TogMap is a module for the CASE Tool Together which generates
XML-mapping-files for OR-Mappers. It takes an existing
object model, which you can augment by OR-specific markers, and produces an XML-mapping file. Currently only for Castor-JDO.