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From Florian Müller <f...@apache.org>
Subject Re: Difference between document version accessed by VersioningService or session.getObject
Date Thu, 02 Feb 2012 11:49:05 GMT

 Hi Mano,

 That looks like a question for Alfresco. OpenCMIS only converts the 
 properties; it doesn't verify or change property values.
 That could be a bug in Alfresco 3.x. (Alfresco 4.x probably does it 
 right.)


 - Florian




 Am Donnerstag, den 02.02.2012, 08:46 +0100 schrieb Mano Swerts 
 <m.swerts@aca-it.be>:
> Hi Florian,
>
> Thanks for the quick reply.
>
> It is definitely not a caching issue, stopping and starting the
> server is does not resolve the issue.
>
> I was not aware of the Document.getAllVersions() method. I tried it
> out, but the result was the same:
>
> Document cmisDocument = (Document) cmisSession.getObject(new
> ObjectIdImpl(documentId));
>
> List documentVersions = cmisDocument.getAllVersions();
>
> Document cmisDocument2 = documentVersions.get(0);
>
> cmisDocument.getId(); //
> output workspace://SpacesStore/dd3ddd5f-8205-426c-9002-9867804d3a25
>
> cmisDocument.getVersionLabel(); // output 3.0
>
> ((GregorianCalendar)
> 
> cmisDocument.getPropertyValue("park:documentCreationDate")).getTime(); //
> output 2nd of February 2012
>
>  cmisDocument2.getId(); // output
> workspace://SpacesStore/dd3ddd5f-8205-426c-9002-9867804d3a25;3.0
>
>  cmisDocument2.getVersionLabel(); // output 3.0
>
>  ((GregorianCalendar)
> 
> cmisDocument2.getPropertyValue("park:documentCreationDate")).getTime(); //
> output 1th of February 2012
>
> In the Workbench I can see the latest version as version 3.0 with the
> value "2nd of February" as I expected. I can see that there are 3
> versions for this document, but I cannot see my custom properties for
> each version. I attached screenshots of the workbench.
>
> Met vriendelijke groeten, 
> Kind regards, 
> Bien à vous, 
>
> Mano Swerts
> Solution Engineer
>
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> ______________________________________________________
>
> On Wed, Feb 1, 2012 at 6:08 PM, Florian Müller  wrote:
>
>  Hi Mano,
>
>  I can't tell you what's going wrong here. Probably a caching issue.
>
>  But before I dig deeper, two questions:
>  1) Does the CMIS Workbench show the correct property values?
>  2) Is there any reason not to use Document.getAllVersions()?
>
>  Cheers,
>
>  Florian
>
>  [1]
> 
> http://chemistry.apache.org/java/0.6.0/maven/apidocs/org/apache/chemistry/opencmis/client/api/Document.html#getAllVersions%28%29
> [4]
>
>  Am Mittwoch, den 01.02.2012, 16:37 +0100 schrieb Mano Swerts :
>
>  Hi all,
>
>  I seem to have a little problem with the display of all versions of
> a
>  particular document to users. I do not know if this is a bug in
> CMIS, in
>  Alfresco or if this is as designed.
>
>  I fetch all versions of a particular document using the
>  VersioningService object.
>  Then I loop over these versions to get convert them to a CMIS
> Document to
>  be able to fetch all properties. In the my custom user interface I
> noticed
>  that the first version did not have any custom properties filled in.
> Then I
>  also noticed that the last version in my listing (which is equal to
> the
>  current working version in the repository and therefore also in my
> app)
>  does not reflect the latest metadata as the current working document
> does
>  in the rest of the application. So it seems that when I list the
> metadata
>  of all versions, that they are 1 off. So this means metadata for
> version
>  1.0 is not filled in (when it actually is), metadata for version 2.0
> seems
>  to be the metadata for version 1.0, and so forth.
>
>  When I look into node browser that comes with Alfresco, I can only
> see the
>  current version. The current version is *3.0* and contains a data
> property
>  called park:documentCreationDate. It is set to the *2nd of
> February*.
>
>  However when I list versions using the VersioningService, it shows
> the same
>  property with a value of the *1th of February*, also version *3.0*.
>
>  I confirmed the above behavior with the following code:
>
>  String repositoryId = cmisSession.getRepositoryInfo().getId();
>
>  String documentId =
>  "workspace://SpacesStore/81b81e8c-ec20-4cdd-b650-552cb9eb5e5b";
>
>  List versions =
>
>
> 
> cmisSession.getBinding().getVersioningService().getAllVersions(repositoryId,
>  documentId, null, null, null, null);
>
>  ObjectFactoryImpl factory = new ObjectFactoryImpl();
>
>  factory.initialize(cmisSession, null);
>
>  Document cmisDocument = (Document)
> factory.convertObject(versions.get(0),
>  cmisSession.createOperationContext());
>
>  cmisDocument.getPropertyValue("cmis:objectId"); //
>  output
> workspace://SpacesStore/81b81e8c-ec20-4cdd-b650-552cb9eb5e5b;3.0
>
>  cmisDocument.getPropertyValue("cmis:versionLabel"); // output 3.0
>
>  cmisDocument.getPropertyValue("park:documentCreationDate"); //
> output
>  GregorianCalendar with value of 1th of February 2012
>
>  Document cmisDocument2 = cmisSession.getObject(new
> ObjectIdImpl(documentId
>  ));
>
>  cmisDocument2.getPropertyValue("cmis:versionLabel"); // output 3.0
>  cmisDocument2.getPropertyValue("park:documentCreationDate"); //
> output
>  GregorianCalendar with value of 2th of February 2012
>
>  So it seems that although they have the same version and should
> point to
>  the same document, it seems that putting the version number in the
> ID
>  directs to an other document. However then the second way to access
> it
>  should return 4.0 and not 3.0. I am very confused of what is going
> on here,
>  because I request the versions for a specific ID and they can have
>  different values for the same version.
>
>  Thanks.
>
>  -- Mano
>
>
>
> Links:
> ------
> [1] mailto:m.swerts@aca-it.be
> [2] http://www.aca-it.be/
> [3] mailto:fmui@apache.org
> [4]
> 
> http://chemistry.apache.org/java/0.6.0/maven/apidocs/org/apache/chemistry/opencmis/client/api/Document.html#getAllVersions%28%29
> [5] mailto:m.swerts@aca-it.be


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