Hi I am a contributor to the google-guice community and open source java in general.
We maintain integration modules between guice and several ORM frameworks. It seemed logical to have a db4objects alternative, and one of our contributors was kind enough to provide one. db4o is one of my long-time favorites, and we've had good success combining these two compelling technologies.
We would love the db4o community's thoughts and feedback:
http://www.wideplay.com
more specifically, http://www.wideplay.com/guicewebextensions2
Sources are distributed under the Apache 2.0 license (as with Guice).
Thank you!
Dhanji.