@Entity
@Table(name = "my_object", schema = "public")
public class MyObject implements java.io.Serializable
{
  private Set<mysubobject>  subObjects = new HashSet</mysubobject><mysubobject>(0);
 
  @OneToMany(cascade = { CascadeType.ALL }, fetch = FetchType.LAZY, mappedBy = "myobject")
  public Set</mysubobject><mysubobject> getSubObjects()
  {
    return this.subObjects;
  }
}
</mysubobject>

@Entity
@Table(name = "my_sub_object", schema = "public")
public class MySubObject implements java.io.Serializable
{
  private MyObject myObject;
 
  @ManyToOne(cascade = {}, fetch = FetchType.LAZY)
  @JoinColumn(name = "myobject", unique = false)
  public MyObject getMyObject()
  {
    return this.myObject;
  }
}

public List<myobject> findAllWithElements()
{
  try
  {
    String queryString = "select model from MyObject model where size(subObjects ) > 0";
    return getHibernateTemplate().find(queryString);
  }
  catch (RuntimeException re)
  {
    log.error("find all with elements failed", re);
    throw re;
  }
}
</myobject>