*[Java]Jaxor

http://jaxor.sourceforge.net/
Jaxor is a code-generating OR mapping tool which takes information defined in XML relating to the relational entities to be mapped and generates classes, interfaces and finder objects which can be used from any Java application (including JFC/Swing, J2EE and command-line tools).
英語だけど開発している途中経過のサンプルがあるからわっかりやすい。