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From msl...@email.cz
Subject Re: RE: RE: Migrate JCR repositories
Date Fri, 18 May 2012 08:18:26 GMT
Sorry, I do not know. You must try/experiment. In our case I removed all history to avoid leaving
unreferenced
version history nodes/growing repository.

Marek

> Thanks a lot Marek.
> So I understand, this is not possible to remove the root version of the history.
> I guess this is to ensure referential integrity. Because old versions of others
> node can have a frozen reference to the stack of the node we want to remove.
> And I have another question if you don't mind. In my example we have a node with
> versions 1.1, 1.2 and 1.3. We remove the version 1.2 as you explained. I think
> the version 1.3 becomes 1.2. But, what if we restore the Version 1.2 using
> VersionManager.restore(Version version, boolean removeExisting).
> Thanks for your help.
> 
> Adrien
> 
> -----Original Message-----
> From: mslama@email.cz [mailto:mslama@email.cz] 
> Sent: 17 May 2012 09:17
> To: users@jackrabbit.apache.org
> Subject: Re: RE: Migrate JCR repositories
> 
> How to remove version history:
> 
> As we remove node which has some version history we take version history first
> then remove versioned node and then remove all version history nodes but root
> node.
> 
>         VersionManager versionManager =
> session.getWorkspace().getVersionManager();
>         VersionHistory versionHistory =
> versionManager.getVersionHistory(node.getPath());
>         node.remove();
>         //Must call session.save to commit remove otherwise removeVersion does
> not work
>         session.save();
>             VersionIterator vIt = versionHistory.getAllVersions();
>             while (vIt.hasNext()) {
>                 Version version = vIt.nextVersion();
>                 if (!"jcr:rootVersion".equals(version.getName())) {
>                     //removeVersion writes directly to workspace, no
> session.save is necessary
>                     versionHistory.removeVersion(version.getName());
>                 }
>             }
> 
> Marek
> > ------------ Původní zpráva ------------
> > Od: De Georges, Adrien <Adrien.DeGeorges@experian.com>
> > Předmět: RE: Migrate JCR repositories
> > Datum: 16.5.2012 11:42:56
> > ----------------------------------------
> > Guys,
> > Does somebody know how to remove nodes from the version history.
> > Thanks in advance
> > 
> > Adrien
> > 
> > -----Original Message-----
> > From: De Georges, Adrien [mailto:Adrien.DeGeorges@experian.com]
> > Sent: 10 May 2012 15:55
> > To: users@jackrabbit.apache.org
> > Subject: Migrate JCR repositories
> > 
> > Hi everyone,
> > 
> > I wanted to develop a routine to migrate some nodes in a repository 
> > (removing and modifying some properties). But I am pretty sure it is 
> > not possible to modify nodes in the version history. Is there existing 
> > solution to do so?
> > Thanks
> > 
> > Adrien
> > 
> > 
> > 
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> > 
> > 
> 
> Marek Slama
> mslama@email.cz
> 
> 
> 

Marek Slama
mslama@email.cz

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