Although Hibernate had been with us from the beginning of development, our decision to create an Eclipse Project from our product meant removing Hibernate and replacing it with a persistence provider that is Eclipse IP conform – in our case EclipseLink.
Changing the abstraction layer for a database is a mammoth task, and one which is filled with risk. Faced with different concepts, syntax, and implmentation details, the program must maintain the same features, functionality and performance as before the switch – and preferably not introduce any more issues.
