QLOR
QLOR (Q-LOGIC Object Relational Mapping Framework) is a performant Object/Relational Mapping and persistence/query framework for Java. It's easy to use and deploy with other technologies. It is heightly structured and designed.
Features:
* O2O, O2M and M2M database mappings.
* Multiple primary keys without modifying the class
diagram.
* Cascading primary keys on associations.
* Easy inheritance and multi inheritance mapping.
* Programmatic mappings.
* Multi-files project mapping.
* Declarative database encryption function.
* Multi-database support.
* Clean and easy to read persistence layer log and more...
(追記) (追記ここまで)
License
GNU Library or Lesser General Public License (LGPL)