@Override
public HiveAuthorizer createHiveAuthorizer(HiveMetastoreClientFactory metastoreClientFactory,
HiveConf conf, HiveAuthenticationProvider authenticator, HiveAuthzSessionContext ctx) {
username = authenticator.getUserName();
HiveAccessController acontroller = Mockito.mock(HiveAccessController.class);
return new HiveAuthorizerImpl(acontroller, null);
}