Hibernate mapeando Annotation

@Entity
public class Usuario {
   
    @Id
    @GeneratedValue
    private int id;
    private String nome;

public class UsuarioDAO {

    public void cadastrar()
    {
    AnnotationConfiguration conf = new AnnotationConfiguration();
    conf.configure();
    SessionFactory factory = conf.buildSessionFactory();
    Session session = factory.openSession();
    
    Usuario usuario = new Usuario();
    usuario.setNome("Rodrigo");
    
    Transaction t = session.beginTransaction();
    session.save(usuario);
    t.commit();
    session.close();
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
  <session-factory name="session1">
    <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
    <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
    <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/medial</property>
    <property name="hibernate.connection.username">root</property>
    <property name="hibernate.connection.password">master</property>
    <mapping class="br.medial.model.usuario.Usuario" />
  </session-factory>
</hibernate-configuration>

@Component
public class UsuarioLogic {

    @Viewless
    public void cadastar(){
    
    UsuarioDAO dao = new UsuarioDAO();
    dao.cadastrar();
    }
            
}