SpringSource/grails-data-mapping — pull request #71 by tomwidmer (2012-10-22 13:00:04+00:00)
Title: GPMONGODB-226 Gracefully handle sub-types in embedded collections.

* Dropped unnecessary use of _embeddedClassName, using existing _class property instead
* Handle subtypes with one-to-one as well as one-to-many.
* Add test cases for the changes.