HibernateUtil.getSessionFactory().getSession().createCriteria(Example.class).list;

<hibernate-mapping package="com.xebia.map" default-access="field">
  <class name="City">
    <id name="id">
      <generator class="native"/>
    </id>
<property name="name"/>
<map name="postalCodes">
      <key column="id"/>
      <index column="streetName" type="string">
      <element column="zipCode" type="string">
    </map>

  </class>
</hibernate-mapping>

City city1 = new City("Oakland");
city.add("Hegenberger", "94606");
city.add("Outlook", "94605");
city.add("Embarcadero", "94603");

City city2 = new City("San Francisco");
city.add("Embarcadero", "94111");
city.add("Market", "94113");
city.add("Castro", "94102");

Session session = factory.openSession();
Transaction transaction = session.beginTransaction();
session.save(city1);
session.save(city2);
transaction.commit();
session.close();

session = factory.openSession();

//now will this pull back both cities?
City exampleCity = new City("Example");
exampleCity.add("Embarcadero", null);
Example example = Example.create(exampleCity).enableLike();
List cities1 = session.createCriteria(Person.class)
                 .add(example).list();

//or will this pull back both cities?
List cities2 = session.createCriteria(City.class)
                .add(Restrictions.like("postalCodes.streetName", "Embarcadero"))
                .list();

//OR will I need to just break down and use HQL?
//and is this HQL even right?
List cities3 = session.createQuery("select c from City c " +
                           "join fetch c.postalCodes " +
                           "where c.postalCodes.streetName = :streetName")
                 .setParameter("streetName", "Embarcadero");