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Mapping a set as a collection of a subclass JpwH 7.3.2

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janning

Post subject: Mapping a set as a collection of a subclass JpwH 7.3.2

Posted: Tue Dec 23, 2008 8:14 am

Newbie

Joined: Fri Jun 22, 2007 2:03 pm
Posts: 4

Hi,

we have a problem mapping a set. Imagine we have BillingDetails mapped with a joined-subclass as in JPwH 7.3.2

In the example the user has a set of BillingDetails like this:

Code:

<set name="billingDetails" inverse="true">
  <key column="USER_ID"/>
  <one-to-many class="BillingDetails"/>
</set>

But i want the user to have a set of CreditCards which is a subclass of BillingDetails.

Code:

<set name="creditCards" inverse="true">
  <key column="USER_ID"/>
  <one-to-many class="CreditCards"/>
</set>

This does not work. Hibernate is looking for a column "USER_ID" in the "CREDIT_CARD" table.

Is it possible to inform hibernate in some way that the key column refers to the table of the super class billing details instead of the table of the joined-subclass "CreditCard"?

Your help is very appreciated. Thanks for your attention.

kind regards
Janning

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