@Override
    public int compareTo(final PersonAttributeDao o) {
        return Integer.compare(this.order, o.getOrder());
    }
Base {@link PersonAttributeDao} that provides implementations of the deprecated methods.

@author Eric Dalquist
@since 7.1.0
core/cas-server-core-authentication-api/src/main/java/org/apereo/cas/authentication/attribute/BasePersonAttributeDao.java