Mr. Persister 4.0.0

Mr. Persister is a simple, small, object relational mapping API capable of reading Java objects from, and writing Java objects to relational databases. It was first released july 2004.
Main features:
- Fast! (Faster than Hibernate)
- Read objects of any size in just 3-5 lines of code.
- Automatic and manual mapping of objects to database tables.
- No config files required.
- SQL as query language.
- Automatic connection and transaction management
- (via DAO commands).
- Automatic connection and transaction management
- (via connection and transaction scoping).
- Automatic SQL generation for most trivial tasks.
- Batch updates of multiple objects.
- Compound primary key support.
- Partial object reading and writing.
- Read Filters.
- Simplifies trivial JDBC tasks.
- Interleave custom JDBC with Mr. Persister operations.
- Fully Pluggable Design.
- Well Tested. 290 unit tests were executed against each supported database.
Enhancements:
- Mr. Persister now uses JDK 5.0.
- Some important bugs have been fixed, and the software now enables annotation-based class-to-database mappings both as an alternative and a supplement to automatic and programmatic mapping.