[jira] Updated: (XDP-210) Generating subclass in a single file, even super class source code is not avaliable

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

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

    Affects 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
>
> 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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