Map person = new HashMap();
person.put( "name", "Steve" );
Map address = new HashMap();
address.put( "zip", "12345" );
address.put( "state", "TX" );
address.put( "street", "123 Main St" );
person.put( "address", address );
address.put( "owner", person );
Session s = openSession();
s.beginTransaction();
s.persist( "Person", person );
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
EntityStatistics addressStats = getSessions().getStatistics().getEntityStatistics( "Address" );
person = ( Map ) s.createQuery( "from Person p join fetch p.address" ).uniqueResult();
assertNotNull( "could not locate person", person );
assertNotNull( "could not locate persons address", person.get( "address" ) );
s.clear();
Object[] tuple = ( Object[] ) s.createQuery( "select p.name, p from Person p join fetch p.address" ).uniqueResult();
assertEquals( tuple.length, 2 );
person = ( Map ) tuple[1];
assertNotNull( "could not locate person", person );
assertNotNull( "could not locate persons address", person.get( "address" ) );
s.delete( "Person", person );
s.getTransaction().commit();
s.close();
assertEquals( addressStats.getFetchCount(), 0 );
