code: public String getGeometryName() {
          String result = null;
          if (geometryAccessor != null) {
              result = geometryAccessor.getPropertyName();
          }
          return result;
      }
docs: Returns the name of the geometryfield of the given entity. If no geometry field exists, null is returned.
  
  @return the name of the geometryproperty, or null if no geometryproperty exists