/**
* Returns the data type of our construction class if we're in an operational context
* where the underlying class definition is available; otherwise, UNKNOWN is returned.
*/
public DataTypeEnum getDataType(){
DataTypeEnum rc = DataTypeEnum.UNKNOWN;
DmcTypeClassDefinitionREFMV objClass = (DmcTypeClassDefinitionREFMV) attributes.get(__objectClass.id);
if (objClass != null){
ClassDefinitionREF ref = objClass.getMVnth(0);
if (ref.getObject() != null){