[teiid-issues] [JBoss JIRA] (TEIID-2567) issues with permission element in vdb-deployer.xsd contains problematic choice node

Barry LaFond (JIRA) jira-events at lists.jboss.org
Wed Jul 3 11:49:20 EDT 2013


    [ https://issues.jboss.org/browse/TEIID-2567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12787389#comment-12787389 ] 

Barry LaFond commented on TEIID-2567:
-------------------------------------

You introduced the choice element in Teiid 8.2 which 

The implementation of the "choice" between a generic/non-standard <sequence> and an <element>. Looking at it from an XML-only standpoint, you've created a scenario where a user would either enter 1-8 elements, or 1 element which may seem OK, but not from a schema standpoint. And JAXB constructs (annotations) can't handle it.

The simple fix/minimal change would to convert <allow-language> to an attribute and remove the choice. There has been no Teiid Designer support for editing <allow-language> prior to our upcoming 8.2 release. So any users would be hand-editing the vdb.xml anyway to utilize that option.

I wouldn't try to be backward compatible in this case.


                
> issues with permission element in vdb-deployer.xsd contains problematic choice node
> -----------------------------------------------------------------------------------
>
>                 Key: TEIID-2567
>                 URL: https://issues.jboss.org/browse/TEIID-2567
>             Project: Teiid
>          Issue Type: Task
>    Affects Versions: 8.4
>            Reporter: Barry LaFond
>            Assignee: Steven Hawkins
>             Fix For: 8.4.1
>
>
> Having a lot of trouble trying to tweak our JaxB VDB element classes to accommodate the permission's choice node which contains a <sequence> and an <element>.
> This structure is basically impossible to unmarshall using JAXB annotations (i.e. @XmlElements(value= {}) )
> Would clean things up to convert the <allow-language> element to an attribute:  <xs:attribute name="allow-language" type="xs:boolean"/> and place it on the <permission> element AND remove the <choice> node entirely

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