On May 3, 2006, at 7:50 AM, Tore Halset wrote:
Hello.
I am using an ExtendedType to map a JTS Geometry to a CLOB as done
here:
http://objectstyle.org/confluence/display/CAY/Mapping+JTS+Geometries
This has been working ok, but I have only used it for reading.
Trying to use the same ExtendedType for writing got me into an
annoying problem. On writing I typically set a Polygon or
MultiPolygon on the CayenneDataObject. P and MP are both subclasses
of the mapped Geometry, but are not mapped correctly as the map
only contains class names.
I have updated the example in the wiki to reflect this "problem".
Perhaps ExtendedType should map a Class (and handle subclasses)
instead of a String holding a class name? Just wanted to discuss it
here before creating a feature request for it.
Regards,
- Tore.
Yeah, let's open a feature request for it. As for using Class instead
of String class name as map keys - this can cause troubles with
nested ClassLoaders. I guess instead we may reimplement
'ExtendedTypeMap.getRegisteredType(Class)' to scan the class
hierarchy up to, but not including, java.lang.Object before falling
back to a default type.
Andrus
