Iterator columnIterator = property.getColumnIterator();
Column column;
if (propertyType instanceof ManyToOneType){ // chiave esterna
ManyToOneType manyToOnePropertyType = (ManyToOneType)propertyType;
String entityType = manyToOnePropertyType.getAssociatedEntityName();
String columnName = null;
if (columnIterator.hasNext()){
column = (Column)columnIterator.next();
columnName = column.getName(); // ????