one-to-many mapping with composite-id

ernani · **Posted:** Thu Feb 19, 2004 9:23 am

Hi folks,

I have a table named Zeitraum

Code:

[b]Zeitraum
----------
zeitID PK
schwackeCode PK[/b]

And I have a table named TypOption

Code:

[b]TypOption
------------
typSoaCode PK
zeitID normal field
schwackeCode normal field[/b]

I whould like to map a set one-to-many from Zeitraum to TypOption with the composite-id (zeitId and schwackeCode).....

How do I do this? I tried to search on the forum, read the manual but I can't get it to work.

emmanuel · **Posted:** Thu Feb 19, 2004 9:29 am

http://forum.hibernate.org/viewtopic.php?t=928147&highlight=compositeid

ernani · **Posted:** Thu Feb 19, 2004 9:33 am

emmanuel wrote:

http://forum.hibernate.org/viewtopic.php?t=928147&highlight=compositeid

That's really nice, do you know how to do it with xdoclet?

ernani · **Posted:** Thu Feb 19, 2004 9:38 am

ernani wrote:

emmanuel wrote:

http://forum.hibernate.org/viewtopic.php?t=928147&highlight=compositeid

That's really nice, do you know how to do it with xdoclet?

Sorry but I got it wrong, thats not nice, your answer was different of my example, I want to map from table zeitraum (zeitId, schwackeCode) to typOption(zeitId, schwackeCode) not a single field but a composite field.

And please if you know how to do it with xdoclet I whould be very very thankfull....

emmanuel · **Posted:** Thu Feb 19, 2004 12:44 pm

Code:

      <set name="logs" inverse="true">
         <key>
           <column name="auctionid"/>
           <column name="auctionid2"/>
<!-- keep the same order than in the composite-id
         </key>

         <one-to-many class="BidOnItemLog"/>
       </set>
   </class>
</hibernate-mapping>

<hibernate-mapping>
   <class name="com.twofi.auction.objects.BidOnItemLog" table="auctionitem">
      <composite-id unsaved-value="any">
         <key-many-to-one class="Auction">
           <column name="auctionid"/>
           <column name="auctionid2"/>
         </key-many-to-one>
      </composite-id>
   </class>
</hibernate-mapping>

ernani · **Posted:** Thu Feb 19, 2004 1:21 pm

Thanks Emmanuel...

I was wondering where can I find a way to provide this with xdoclet....

Does anybody here knows how?

michael · **Posted:** Thu Feb 19, 2004 1:26 pm

No, XDoclet does not support composite ids which are not a seperate class.

ernani · **Posted:** Fri Feb 20, 2004 6:00 am

gloeglm wrote:

No, XDoclet does not support composite ids which are not a seperate class.

Thanks Michael, I will do my best to try to code a generator then.