code: public int getEmployeeNumber( final String name )
      {
          try ( Session session = driver.session() )
          {
              return session.readTransaction( new TransactionWork<Integer>()
              {
                  @Override
                  public Integer execute( Transaction tx )
                  {
                      return selectEmployee( tx, name );
                  }
              } );
          }
      }
docs: tag::cypher-error[]