ObJectRelationalBridge
BRIDGING JAVA OBJECTS AND RELATIONAL DATABASES


Welcome to ObJectRelationalBridge

summary

ObJectRelationalBridge (OJB) provides transparent persistence for Java Objects against relational databases.
It consists of a generic PersistenceBroker and an ODMG 3.0 compliant transactional ObjectServer.
OJB uses an XML based dynamic Object - Relational Mapping. The mapping is configurable on a per class basis and allows lazy materialization through virtual proxies.
OJB supports Bean Managed EntityBeans (BMP). It's proxy- and caching-strategies drastically enhance the performance of EJB applications.
Read more about the features.

general infos

The ObJectRelationalBridge homepage (this page) is hosted at Sourceforge. SourceForge Logo

The projects group page is also hosted at SF

There is also a ObJectRelationalBridge mailinglist on SourceForge.

The obligatory Licence information is here.

A history of changes documents the most important improvements of each public release

download

You'll find a list of available distributions on the projects page at SourceForge. The latest release is listed at the first position.

cvs

If you want to browse the CVS tree you can use the HTML interface at http://cvs.sourceforge.net/cgi-bin/cvsweb.cgi?cvsroot=objectbridge.

To make a complete checkout from cvs, run the following command: cvs -z3 co objectbridge
Once you have made an initial checkout you can use: cvs -z3 update -Pd to bring your local version into sync with the archive.

join the team

If you think that this is an interesting project and want to work on one of the open tasks just drop me a line: mailto:thomas.mahler@home.ins.de

documentation

The OJB documentation covers the following topics:


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