I'm sure there are many persistance pages scattered around the CC wiki and the TELS wiki. If you find pages that aren't linked please add them here.

Persistance patterns/techniques

• Saving to the Database through object interfaces
• Saving to XML through object interfaces
• Working with objects unaware of any state saving.
• Proxy references for delayed loading
• Maintaining the state only in real objects
• Maintaining the state in both the real objects and outside
• Schemas for the stored data.

Links

Pros and Cons of maintaining external state
Persistance of Java Objects - a meeting we had about this