db4o

ObjectSet.ext Method 

returns an ObjectSet with extended functionality.

ExtObjectSet ext();

Remarks

returns an ObjectSet with extended functionality.

Every ObjectSet that db4o provides can be casted to an ExtObjectSet. This method is supplied for your convenience to work without a cast.

The ObjectSet functionality is split to two interfaces to allow newcomers to focus on the essential methods.

See Also

ObjectSet Interface | com.db4o Namespace