[hibernate-issues] [Hibernate-JIRA] Commented: (ANN-569) Map the same class twice in orm.xml
Christian Bauer (JIRA)
noreply at atlassian.com
Sun Mar 4 18:02:31 EST 2007
[ http://opensource.atlassian.com/projects/hibernate/browse/ANN-569?page=comments#action_26370 ]
Christian Bauer commented on ANN-569:
-------------------------------------
I solved my problem in a different way (using a Hibernate XML mapping file). Still, I wonder if we could utilize the dynamic mapping capabilities of Hibernate (at least mixing POJO and MAP entity modes) if we'd relax orm.xml somewhat.
> Map the same class twice in orm.xml
> -----------------------------------
>
> Key: ANN-569
> URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-569
> Project: Hibernate Annotations
> Type: New Feature
> Components: binder
> Reporter: Christian Bauer
> Priority: Minor
>
>
> Regular annotated class, I'd like to map it again in orm.xml with a different set of persistent attributes (they are annotated transient in the regular class):
> <!-- If I don't have the regular class mapped here, I get only a NODE_HISTORY table. I want two tables. -->
> <entity class="Node" name="RegularNode" access="FIELD">
> <table name="NODE"/>
> </entity>
> <entity class="Node" name="HistoricalNode" access="FIELD">
> <table name="NODE_HISTORY"/>
> <attributes>
> <id name="historicalNodeId">
> <column name="NODE_HISTORY_ID"/>
> <generated-value/>
> </id>
> <basic name="revision" optional="false">
> <column name="NODE_REVISION"/>
> </basic>
> <basic name="id" optional="false">
> <column name="NODE_ID"/>
> </basic>
> </attributes>
> </entity>
> I currently only have 3.2.0 CR1 (Seam...) here:
> [hibernatetool] javax.persistence.PersistenceException: java.lang.IllegalStateException: Duplicate XML entry for org.jboss.seam.wiki.core.node.Node
> [hibernatetool] java.lang.IllegalStateException: Duplicate XML entry for org.jboss.seam.wiki.core.node.Node
> If the spec forbids duplicate class names in orm.xml (does it?) - how can I override mappings under a different entity alias?
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