Java Open Source Projects Directory

...dedicated into Java open source projects

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Persistence Frameworks

jdbm

JDBM is a transactional persistence engine for Java. It aims to be for Java what GDBM is for other languages (C/C++, Python, Perl, etc.): a fast, simple persistence engine. You can use it 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.

 

castor

Castor is an open source data binding framework for Javatm?. It's basically the shortest path between Java objects, XML documents and SQL tables. Castor provides Java to XML binding, Java to SQL persistence, and then some more.

 

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)

 

cayenne

Cayenne is a powerful, full-featured Java Object Relational Mapping framework. It is open source and completely free. One of the main Cayenne distinctions is that it comes with cross-platform modeling GUI tools. This places Cayenne in the league of its own, making it a very attractive choice over both closed source commerical products and traditional "edit your own XML" open source solutions.

 

simpleorm

SimpleORM is Java Object Relational Mapping open source project (Apache style licence). It provides a simple but effective implementation of object/relational mapping on top of JDBC at low cost and low overhead. Not even an XML file to configure!

 

beankeeper

NetMind BeanKeeper is an O/R (object/relation) mapping library. Its task is to map java objects to a relational database, and to offer a powerful query service to retrieve them.

 

speedo

Speedo is an open source implementation of the JDO (TM) specification.

 

jpox-java-persistent-objects

JPOX is a full compliant implementation of Java Data Objects (JDO) API. The JDO API is a standard interface-based Java model abstraction of persistence. JPOX is free and released under an OpenSource license, and so the source code is available for download along with the JDO implementation.

 


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