[hibernate-issues] [Hibernate-JIRA] Created: (HBX-754) hbm2hbmxml generates xml for subclasses that doesn't validate under the dtd

[Bruce Cota (JIRA)]

hbm2hbmxml generates xml for subclasses that doesn't validate under the dtd
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         Key: HBX-754
         URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-754
     Project: Hibernate Tools
        Type: Patch

  Components: ant  
    Versions: 3.2beta7    
    Reporter: Bruce Cota
    Priority: Minor
 Attachments: patch, test.tar

When generating xml for subclasses, hbm2hbmxml makes the following errors:

1) A table attribute is always generated, but this is not a valid attribute for the subclass element

2) A discriminator-value attribute is always generated, but this is not a valid attribute for the 
union-subclass element.

3) An Id element is generated, but this is not valid for any of the three different kinds of subclass
elemtns.

A test case  (test.jar) is attached demonstrating a subclass element  thatis generated with  a table attribute
and an id element.

A suggested patch is also attached.  It entails small changes to persistentclas.hbm.ftl  and three
simple helper methods added to Cfg2HbmTool.java to support the persistentclass.hbm.ftl changes.

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