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Object Persistence

Computers > Programming > Languages > Java > Databases and Persistence > Object Persistence

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JDO (16)
JPA (6)
Object-Oriented DBMSs (13)
Object-Relational DBMSs (2)

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A Simple Data Access Layer using Hibernate - http://www.ociweb.com/jnb/jnbNov2003.html
Hibernate is a popular open source Object-Relational mapping tool. This article by Mario Aquino provides a quick introduction to get started with Hibernate.

Ammentos - http://ammentos.biobytes.it
A lightweight persistence framework for Java (JDK5 or later). [Open source, GPL]

Apache ObJectRelationalBridge - OJB - http://db.apache.org/ojb/
A framework that provides transparent persistence of Java objects for JDBC-compliant RDBMS. Implements ODMG 3.0, JDO and uses XML-based O/R Mapping. [Open Source, LGPL]

CarrierWave - http://carrierwave.sourceforge.net/
Provides the following features: build generated client side data objects structurally mirroring server side business objects; pluggable persistence; pluggable binding between client and server; pluggable query mechanism; zero-configuration externalization and internalization of server state into and from XML. [Open source, GPL]

CocoBase Enterprise O/R - http://www.thoughtinc.com/
Object/Relational mapping tool, with customized mappings for each major EJB server (including JBoss). [Commercial]

DB Objects for Java - http://dbobjects.sourceforge.net/
Lightweight and flexible solution for storing and retrieving java objects into and from relational databases, without using SQL. [Open source, LGPL]

DB Visual Architect - http://www.visual-paradigm.com/product/dbva/
An Object-Relational mapping tool. Generate persistent enable Java source from Class Diagram or ERD. A diagram editor is provided. It can generate code for client applications and server side applications. [Commercial]

DODS (Data Object Design Studio) - http://www.enhydra.org/tech/dods/
An Object-Relational Mapping Framework with a GUI Editor that lets you automatically create Java objects that map to relational databases. [Open Source, Mozilla-like]

EclipseLink - http://www.eclipse.org/eclipselink/
ORM project from Eclipse (Oracle, Sun). Provides ORM, JPA, OXM, JAXB, SDO, WebServices, EIS. JPA 2.0 reference implementation, JPA provider of Oracle WebLogic, Sun Glassfish. [Open source, EPL]

FormPers - http://www.jslope.com/formpers.html
A persistence framework with forms automation. It support on-the-fly SQL table creation/structure modification base on definition in Java class, automated form creation and automated form result parsing. [Freeware]

Hibernate ORM framework - http://www.hibernate.org/
Hibernate an open source Java persistence framework project. Perform powerful object relational mapping and query databases using HQL and SQL. [Open source, LGPL]

http://abra.sourceforge.net/ - http://abra.sourceforge.net/
A Java library and a set of tools that can be used for storing and retrieving Java objects in a relational database. [Open source, BSD license]

http://cayenne.apache.org/ - http://cayenne.apache.org/
An Object-Relational mapping framework working with relational databases. [Open Source]

http://db.apache.org/torque/ - http://db.apache.org/torque/
An XML-based persistence layer. Part of the Apache Jakarta family. [Open Source, BSD-like]

http://ibatis.apache.org/ - http://ibatis.apache.org/
XML-based Object/Relational mapping and persistence framework as well as a data access abstraction layer. [Open source]

http://jaxor.sourceforge.net/ - http://jaxor.sourceforge.net/
Simple and lightweight Object/Relational mapping and persistence framework. Configuration is stored in XML files and code generation relies on Apache velocity templates. [Open Source, Apache]

http://jdbm.sourceforge.net/ - http://jdbm.sourceforge.net/
A simple transactional persistence engine for Java. It can used to store a mix of objects and BLOBs, and all updates are done in a transactionally safe manner. JDBM also provides scalable data structures, such as HTree and B+Tree, to support persistence of large object collections. [Open source, BSD License]

http://jstorm.sourceforge.net/ - http://jstorm.sourceforge.net/
Simple tool for object-relational mapping, based on DbObjects, with mechanisms for aggregation and concurrency stamps. [Open Source, GPL]

http://osage.sourceforge.net/ - http://osage.sourceforge.net/
Object-Relational mapping for JDBC databases, with XML features. [Open Source, LGPL]

http://www.kimble.easynet.co.uk/cobra/index.htm - http://www.kimble.easynet.co.uk/cobra/index.htm
An object persistence layer written in Java which uses a relational database to provide persistent storage, whilst shielding programmers from the details of relational database access. [Open Source, GPL]

http://www.oracle.com/technology/products/ias/toplink/index.html - http://www.oracle.com/technology/products/ias/toplink/index.html
Object-relational bridge by Oracle. Quick tour, tutorials, and howtos. [Commercial]

Inductor - http://www.certiv.net/products/inductor.html
A fully type-save, declarative ORQL for Hibernate, JDO, and EJB.

J-Database Exchange (JDX) - http://www.softwaretree.com/products/jdx/Jdx1.htm
A cross-platform solution for transactional persistence of Java objects . By Software Tree, Inc. [Commercial]

Java Persistence - http://en.wikibooks.org/wiki/Java_Persistence
Wikibook on JPA, and Java persistence from Wikimedia Wikibooks.

JavaRanch - Object Relational Mapping - http://saloon.javaranch.com/cgi-bin/ubb/ultimatebb.cgi?ubb=forum&f=78
JavaRanch Big Moose Saloon forum for object relational mapping.

JDO vs. EJB by Gopalan Suresh Raj - http://my.execpc.com/~gopalan/java/jdo/jdo_vs_ejb.html
Compares and contrasts the Two Persistence Frameworks provided Java. Java Data Objects(JDO) which provides Language Transparent Orthogonal Persistence with Enterprise JavaBeans(EJB) that provides Functional Persistence.

JGrinder - http://jgrinder.sourceforge.net/
Initially began as a solution for Object/Relational persistence. Supporting this involved the creation of many utility classes and tools that could be used to accelerate any application development effort. [Open source, LGPL]

JORM (Java Object Repository Mapping) - http://jorm.objectweb.org/
The ObjectWeb open source adaptable persistence service. It is used to offer CMP 2.0 for the JOnAS server, as well as Speedo, a JDO implementation. [Open source, LGPL]

jRelationalFramework - http://jrf.sourceforge.net/
A lightweight framework that was written to automate the most tedious 80% of relational database access coding and leave the other 20% to the developer. [Open Source, MPL]

Object Matter - http://www.objectmatter.com/
Provides an Object/Relational mapping tool with a persistence layer. Also features an introduction to Object/Relational mapping. [Commercial]

Object-Relational Mapping - http://www.service-architecture.com/object-relational-mapping/
Information and facts about object-relational mapping products, architecture problem-solving, and direction in product comparison and selection.

Objective database abstraction layer (ODAL) - http://odal.sourceforge.net/
A database persistence framework including query API, ORM, data validation/conversion, stored procedure support, code generation. Download and documentation are offered. [Open source, LGPL]

ONJava.com: Don't Let Hibernate Steal Your Identity - http://www.onjava.com/pub/a/onjava/2006/09/13/dont-let-hibernate-steal-your-identity.html
Typical means of establishing uniqueness and identity in databases, and thus Hibernate, don't necessarily suit Java's identity-oriented equals() and hashCode() methods. James Brundege has another idea for how to solve this problem.

ONJava.com: Object-Relational Mapping with Apache Jakarta OJB - http://www.onjava.com/pub/a/onjava/2003/01/08/ojb.html
Charles Chan demonstrates OJB, an open source Java object persistence framework.

SimpleORM - http://www.simpleorm.org/
Implement, low overhead object/relational mapping on top of Java JDBC. [Open source]

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