I have a one to many relation between Payment1 and Orders1. Payment1 is superclass for CreditCard and Cash. Inheritance was implemented as "Table per subclass". If I execute an hql like FROM Payment1 I can cast Payment1 to CreditCard or Cash (function of instanceof) and I can obtain properties for every Payment1 subclasses.

But when I use
Orders1 order1 = (Orders1) session.load(Orders1.class, idOrd);
Payment1 payment1 = order1.getPayment1();
if (payment1 instanceof CreditCard) {
System.out.println("Payment with credit card...");
CreditCard cc = (CreditCard) payment1;
System.out.println("Credit card type = " + cc.getCreditCardType());
} else if (payment1 instanceof Cash) {
System.out.println("Payment with cash...");
Cash cash = (Cash) payment1;
System.out.println("Cash type = " + cash.getCashType());
} else {
System.out.println(payment1.getClass().getName());
}

I obtain
lotofsamples.model.Payment1$$EnhancerByCGLIB$$47095661
in console

How can I cast to CreditCard, to obtain CreditCard properties values???

Thx.



Hibernate version:3.1.0


Mapping documents:
Orders1.hbm.xml
<class name="lotofsamples.model.Orders1" table="orders1" dynamic-insert="true" dynamic-update="true">
<id name="id" column="order1id" type="integer">
<generator class="sequence">
<param name="sequence">seq_orders1</param>
</generator>
</id>
<many-to-one name="payment1" fetch="select" cascade="all" class="lotofsamples.model.Payment1" lazy="false">
<column name="payment1id"></column>
</many-to-one>
<property name="observatie" column="observatie" type="string" length="100" not-null="false"></property>
</class>

Payment1.hbm.xml
<class name="lotofsamples.model.Payment1" table="payment1" dynamic-insert="true" dynamic-update="true" >

<id name="id" column="payment1id" type="integer">
<generator class="sequence">
<param name="sequence">seq_payment1</param>
</generator>
</id>

<property name="amount" column="amount" type="double"></property>

<set name="orders1s" table="orders1" cascade="all" inverse="true" >
<key column="payment1id"></key>
<one-to-many class="lotofsamples.model.Orders1"/>
</set>

<joined-subclass name="lotofsamples.model.CreditCard" table="credit_card" dynamic-insert="true" dynamic-update="true">
<key column="payment1id"></key>
<property name="creditCardType" column="credit_card_type" type="string" length="10" not-null="true"></property>
</joined-subclass>

<joined-subclass name="lotofsamples.model.Cash" table="cash" dynamic-insert="true" dynamic-update="true">
<key column="payment1id"></key>
<property name="cashType" column="cash_type" type="string" length="10" not-null="true"></property>
</joined-subclass>

</class>


Code between sessionFactory.openSession() and session.close():
session = new Configuration().configure().buildSessionFactory().openSession();

Integer idOrd = Integer.parseInt(JOptionPane.showInputDialog(
"Introduceti id-ul orderului", 14));
Orders1 order1 = (Orders1) session.load(Orders1.class, idOrd);

System.out.println("Id order = " + order1.getId());
System.out.println("Observatie order = " + order1.getObservatie());

Payment1 payment1 = order1.getPayment1();
System.out.println("Id payment = " + payment1.getId());
System.out.println("Amount payment = " + payment1.getAmount());

if (payment1 instanceof CreditCard) {
System.out.println("Payment with credit card...");
CreditCard cc = (CreditCard) payment1;
System.out.println("Credit card type = " + cc.getCreditCardType());
} else if (payment1 instanceof Cash) {
System.out.println("Payment with cash...");
Cash cash = (Cash) payment1;
System.out.println("Cash type = " + cash.getCashType());
} else {
System.out.println(payment1.getClass().getName());
}


Full stack trace of any exception that occurs:
None


Name and version of the database you are using:
PostgreSQL-8.1.3


The generated SQL (show_sql=true):
Hibernate: /* load lotofsamples.model.Orders1 */ select orders1x0_.order1id as order1_17_0_, orders1x0_.payment1id as payment2_17_0_, orders1x0_.observatie as observatie17_0_ from iqbyte.orders1 orders1x0_ where orders1x0_.order1id=?
Hibernate: /* load lotofsamples.model.Payment1 */ select payment1x0_.payment1id as payment1_14_0_, payment1x0_.amount as amount14_0_, payment1x0_1_.credit_card_type as credit2_15_0_, payment1x0_2_.cash_type as cash2_16_0_, case when payment1x0_1_.payment1id is not null then 1 when payment1x0_2_.payment1id is not null then 2 when payment1x0_.payment1id is not null then 0 end as clazz_0_ from iqbyte.payment1 payment1x0_ left outer join iqbyte.credit_card payment1x0_1_ on payment1x0_.payment1id=payment1x0_1_.payment1id left outer join iqbyte.cash payment1x0_2_ on payment1x0_.payment1id=payment1x0_2_.payment1id where payment1x0_.payment1id=?


Debug level Hibernate log excerpt: