Java Open Source Projects Directory

...dedicated into Java open source projects

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Persistence Frameworks

ojb

ObJectRelationalBridge (OJB) is an Object/Relational mapping tool that allows transparent persistence for Java Objects against relational databases.

 

persist

Persist is a minimalist Java ORM/DAO library designed for high performance and ease of use. Unlike most ORM tools, Persist does not aim to completely isolate application code from relational databases. Instead, it intends to minimize the effort to handle data stored in a RDBMS through JDBC, without making compromises on performance and flexibility.

 

pbeans

pBeans is a Java based persistence framework and an Object/Relational (O/R) database mapping layer. It is designed to be simple to use and completely automated.

 

apache-openjpa

It is a feature-rich implementation of the persistence part of Enterprise Java Beans 3.0, also known as the Java Persistence API (JPA), and is available under the terms of the Apache Software License. OpenJPA can be used as a stand-alone POJO persistence layer, or it can be integrated into any EJB3.0 compliant container and many lightweight frameworks.

 

ammentos

A lightweight persistence framework for Java (JDK5.0 or later). Extremely simple to use, works whith annotations, does not require any configuration/mapping file, runs whith any JDBC compliant database (no SQL dialects to configure) and supports multi-device persistence.

 

space4j

Space4J (or S4J, for short) is a free prevalence implementation in Java. Prevalence is a concept started by Klaus Wuestefeld on how to store data in a real object oriented way, using only memory snapshots, transaction logs and serialization. In addition to the basic functionality it offers transparent support for clustering, passivation and indexing.

 

pat

PAT stands for "Persistent Applications Toolkit". Like many other software it simplifies developing of persistence layers of business applications. It does it by providing object-oriented environment for persistence of your objects: POJOs And.. it really does it. PAT provides almost transparent data layer for a business application. It employs state-of-the-art techniques to achieve it. These are OO, AOP (JBossAOP), Java, Prevayler, Ant, JUnit, Log4j, @@annotations and others. It cooperates well with web applications: Struts (and possibly other web frameworks), Tomcat, JBoss AS. (AOP term: persistence aspect)

 

tjdo

TriActive JDO (TJDO) is an open source implementation of Sun's JDO specification (JSR 12), designed to support transparent persistence using any JDBC-compliant database. TJDO has been deployed and running successfully in many commercial installations since 2001.

 


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