@Entity
@Table(name = "ENTITY_A")
public class EntityA {

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	@Column(name = "ID")
	Integer id;

	@Column(name = "PROPERTY_A")
	int propertyA;

	@ManyToOne
	@JoinColumn(name = "REFERENCE")
	EntityA reference;
}

	@Test
	public void hhhXXXXTest() throws Exception {
		// BaseCoreFunctionalTestCase automatically creates the SessionFactory and
		// provides the Session.
		try (Session s = openSession()) {
			Transaction tx = s.beginTransaction();
			EntityA entityA1 = new EntityA();

			s.persist(entityA1);
			s.flush();

			Query<EntityA> query = s.createQuery(
					"select c from EntityA c where c.propertyA = (select max(e.propertyA) from EntityA e where (c.reference is null and e.reference is null))",
					EntityA.class);
			List<EntityA> actual = query.list();
			assertThat(actual).hasSize(1);
			tx.commit();
		}
	}