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Subject: [OASIS Issue Tracker] Commented: (CMIS-98) There are CMISproperties that duplicate APP/ATOM information

    [ http://tools.oasis-open.org/issues/browse/CMIS-98?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=10165#action_10165 ] 

Al Brown commented on CMIS-98:

I'd like to keep the duplicated info.  Originally we did remove the duplicated fields: id, createdby, etc.  However, that made some properties special and could not be updated in the same way - by setting a cmis property field.  Also, it became less obvious on how to search on those fields.

I do think an order of processing should be stated: cmis:property is authoritative if present, then atompub (or vice-versa).  

The bandwidth cost of having that info in two places is not that significant in my opinion.

> There are CMIS properties that duplicate APP/ATOM information 
> --------------------------------------------------------------
>                 Key: CMIS-98
>                 URL: http://tools.oasis-open.org/issues/browse/CMIS-98
>             Project: OASIS Content Management Interoperability Services TC
>          Issue Type: Bug
>          Components: REST/AtomPub Binding
>    Affects Versions: Draft 0.50, Draft 0.6
>            Reporter: Ryan McVeigh
>            Assignee: Al Brown
>            Priority: Critical
>             Fix For: Draft 0.61
> I think this is reasonably significant - so I chose the Critical priority.  This may also be most appropriate to break up into separate issues, but for simplifying discussion I'll report this as a single issue and list all of the various duplications we've found.
> 1.  part II p. 19 "All CMIS properties will be exposed in CMIS properties tag even if they are duplicated in an atom element".  Why are there duplicates? This just seems to clutter things...
> 2.  "Atom:Id will be the URI of the resource" 
>   -  Why is there a CMIS URI property (enumPropertiesBase Uri) that simply duplicates what should be in atom:id?
>   -  Is there a case where just one of these will appear and that's why sometimes it's duplicate?
>           <atom:id>http://localhost:7001/drtWebApp/cmis/children/BEA_ExtendedRepository/4001</atom:id>
>           <cmis:propertyString cmis:propertyType="string" cmis:name="Uri">
>               <cmis:value>http://localhost:7001/drtWebApp/cmis/children/BEA_ExtendedRepository/4001</cmis:value>
>           </cmis:propertyString>
> 3.   "App:edited will be CMIS:lastModifiedDate"
> 4.   "Link with relation self will be CMIS:uri" 
>     <atom:link rel="self" href="http://localhost:7001/drtWebApp/cmis/children/BEA_ExtendedRepository/4001";       />
>     <cmis:propertyString cmis:propertyType="string" cmis:name="Uri">
>         <cmis:value>http://localhost:7001/drtWebApp/cmis/children/BEA_ExtendedRepository/4001</cmis:value>
>     </cmis:propertyString>
> 5.  "Published will be CMIS:createdDate" 
>     <atom:published>2009-02-27T10:26:50.625-07:00</atom:published>
>     <cmis:propertyDateTime cmis:propertyType="datetime" cmis:name="CreationDate">
>         <cmis:value>2009-02-27T10:26:50.625-07:00</cmis:value>
>     </cmis:propertyDateTime>
> 6.  "Atom:author will be CMIS:creator"  creator? does this mean createdBy?
>           <atom:author>
>               <atom:name>weblogic</atom:name>
>           </atom:author>
>           <cmis:propertyString cmis:propertyType="string" cmis:name="CreatedBy">
>               <cmis:value>weblogic</cmis:value>
>           </cmis:propertyString>
> 7.  "Author/name will be CMIS:createdBy "
>    - name? or does this mean contributor? or was that just a clarification for author?
>    - oh, I see, nested element name...that was confusing...maybe similar phrases should be used (Atom:author was used before, as was creator, instead of createdBy)
>           <atom:contributor>
>               <atom:name>weblogic</atom:name>
>           </atom:contributor>

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