Column end = Utilities.getColumn(refType);
Column end = refType.getColumn();
    private void addRoleReference(ObjectType type,                                  String refName,                                  ObjectType refType,                                  String tableName,                                  String columnName) {        Property prop = new Property(refName, refType);        JoinPath jp = new JoinPath();        Column end = Utilities.getColumn(refType);        Column start = getColumn(getTable(tableName), columnName,                                 end.getType());        jp.addJoinElement(start, end);        prop.setJoinPath(jp);        type.addProperty(prop);    }