@SuppressWarnings("unchecked")
   @Override
   @Transactional(propagation=Propagation.SUPPORTS, readOnly=true)
   public List<T> findByExample(T entity) {      
      Example example = Example.create(entity).ignoreCase().enableLike(MatchMode.ANYWHERE);
      return getHibernateTemplate().getSessionFactory().getCurrentSession().createCriteria(entity.getClass()).add(example).lis();
   }

@Entity
public class Person {
   @Override
   public String toString() {
      return "Person [phones=" + phones + ", id=" + id + "]";
   }

   @Id
   @GeneratedValue(strategy = GenerationType.SEQUENCE)
   private int id;

   @OneToMany(cascade = CascadeType.ALL, mappedBy = "owner", fetch = FetchType.LAZY)
   private Collection<Phone> phones = new ArrayList<Phone>();
//...setters and getters
}
@Entity
public class Phone {
   @Id
   @GeneratedValue(strategy = GenerationType.SEQUENCE)
   private int id;

   private String areaCode;
   private String number;

   @ManyToOne
   private Person owner;
//...setters and getters
}
      final SessionFactory sf = new AnnotationConfiguration().configure().buildSessionFactory();
      Session session = sf.openSession();
      session.beginTransaction();
      Person person = new Person();
      person.getPhones().add(new Phone("10", "344"));
      person.getPhones().add(new Phone("20", "444"));
      for(Phone p : person.getPhones()) p.setOwner(person);
      session.save(person);
      session.getTransaction().commit();
      session.clear();
      List l = session.createQuery("select distinct p from Person p left join fetch p.phones").list();
      System.out.println(l);
      l = session.createCriteria(Person.class).add(
            Example.create(new Person()).ignoreCase().enableLike(
                  MatchMode.ANYWHERE)).list();
      System.out.println(l);

@Entity
@Inheritance(strategy=InheritanceType.JOINED)
public class Pessoa {
   
   @Id
   @SequenceGenerator(name="pessoa_seq", sequenceName="PESSOA_SEQ", allocationSize=1)
   @GeneratedValue(strategy=GenerationType.AUTO, generator="pessoa_seq")
   private Long id;
   
             @OneToMany(mappedBy="pessoa", fetch=FetchType.EAGER, cascade=CascadeType.ALL) // At this time, I want Eager fetching
             private Set<Telefone> telefones;

   public Pessoa(){

   }

            // Getters and setters

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((id == null) ? 0 : id.hashCode());
      return result;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null)
         return false;
      if (getClass() != obj.getClass())
         return false;
      Pessoa other = (Pessoa) obj;
      if (id == null) {
         if (other.id != null)
            return false;
      } else if (!id.equals(other.id))
         return false;
      return true;
   }

@Entity
public class Telefone {

   @Id
   @SequenceGenerator(name="telefone_seq", sequenceName="TELEFONE_SEQ", allocationSize=1)
   @GeneratedValue(strategy=GenerationType.AUTO, generator="telefone_seq")
   private Long id;

   @ManyToOne
   private Pessoa pessoa;

           // Getters and setters

   @Override
   public int hashCode() {
      final int prime = 31;
      int result = 1;
      result = prime * result + ((id == null) ? 0 : id.hashCode());
      return result;
   }

   @Override
   public boolean equals(Object obj) {
      if (this == obj)
         return true;
      if (obj == null)
         return false;
      if (getClass() != obj.getClass())
         return false;
      Telefone other = (Telefone) obj;
      if (id == null) {
         if (other.id != null)
            return false;
      } else if (!id.equals(other.id))
         return false;
      return true;
   }   

   @SuppressWarnings("unchecked")
   @Override
   @Transactional(propagation=Propagation.SUPPORTS, readOnly=true)
   public List<T> findByExample(T entity) {      
      Example example = Example.create(entity).ignoreCase().enableLike(MatchMode.ANYWHERE);
      return getHibernateTemplate().getSessionFactory().getCurrentSession().createCriteria(entity.getClass()).add(example).list();
   }