public void register(BasicType type) { if (locked) { throw new HibernateException("Can not alter TypeRegistry at this time"); } if (type == null) { throw new HibernateException("Type to register cannot be null"); } if (type.getRegistrationKeys() == null || type.getRegistrationKeys().length == 0) { LOG.typeDefinedNoRegistrationKeys(type); } for (String key : type.getRegistrationKeys()) { // be safe... if (key == null) continue; LOG.debugf("Adding type registration %s -> %s", key, type); final Type old = registry.put(key, type); if (old != null && old != type) LOG.typeRegistrationOverridesPrevious(key, old); } }