@Entity
@Table(name = "City")
public class City {

   private static final long serialVersionUID = 6600321365958270110L;

   public static final int TAMANHO_MAXIMO_NOME_City = 255;

   @Id
   @SequenceGenerator(name = "City_SEQ", sequenceName = "City_SEQ")
   @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "City_SEQ")
   @Column(name = "CDCity", nullable = false)
   private Long codigo;

   @Column(name = "NMCity", nullable = false, unique = true, length = City.TAMANHO_MAXIMO_NOME_City)
   private String nome;

   @ManyToOne(fetch = FetchType.LAZY)//
   @JoinColumn(name = "CDState", nullable = false)
   private State state;

   //...
}

QUERY = 'SELECT city FROM City city'


City {
   codigo 1,
   nome 'test',
   State {
      codigo 100,
      nome null,
      nome2 null,
      nome3 null,
   }
}