[ 
http://jira.codehaus.org/browse/XDP-210?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Konstantin Pribluda updated XDP-210:
------------------------------------

    Fix Version/s: 1.0.4

> Generating subclass in a single file, even super class source code is not 
> avaliable
> -----------------------------------------------------------------------------------
>
>                 Key: XDP-210
>                 URL: http://jira.codehaus.org/browse/XDP-210
>             Project: XDoclet 2 Plugins
>          Issue Type: New Feature
>          Components: hibernate
>    Affects Versions: 1.0.4
>         Environment: XDoclet2
>            Reporter: Alan She
>             Fix For: 1.0.4
>
>
> Since Hibernate support putting subclass in a single mapping file, it should 
> better be supported in plugin-hibernate.
> A typical use case is separating a system into several modules.
> While developers of 'module B' do not need to see the code of 'module A' even 
> B depends A.
> When it comes to generating the hbm files. 'Module B' don't have the source 
> of A, but it is
> possible that some classes in B (e.g. Student) is a subclass of a class in 
> module A (e.g. Person). At this time, putting <subclass> tag in the hbm of 
> Person does not make sense (and impossible, because it don't have module A' s 
> source now).
> It is obvisously that in this case we should use a single hbm file which 
> define the subclass Student and put this in module B.
> Therefore, it is suggested that add a "extend" attribute for 
> @hibernate.subclass, @hibernate.joined-subclass and 
> @hibernate.union-subclass, and these tags are scaned for generating a hbm 
> file if the "extend" attribute is provided.
> While the "extend" attribute is provided, no matter the super class source 
> file in or not in the fileset, a hbm file can be generated.

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