/**@hibernate.class table="TB_USUARIO"*/
public class Usuario implements Serializable
{
private Integer id;
private String nome;

/** @hibernate.id column="US_ID" generator-class="increment" */
public Integer getId(){
return id;
}

/** @hibernate.property column="US_NOME" length="70" */
public String getNome(){
return nome;
}

//Setters
}

@Entity(mutable = true, dynamicInsert = true, dynamicUpdate = true)
public class Usuario implements Serializable{

@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;

@Column(name="cmp_nome", nullable=false)
private Integer nome;

//Getters and Setters
}