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From "Lubos and Alena Pochman" <pochm...@gmail.com>
Subject Re: Removing root version
Date Wed, 04 Apr 2007 16:27:00 GMT
Thanks Brian,

yes I am checking out the document node before I get the version history.
It looks like you cannot remove the head (base/top) version from the version
list.
Anybody from developers to confirm that?

Lubos

On 4/3/07, Brian Thompson <elephantium@gmail.com> wrote:
>
> Are you checking out the document node before you check on its version
> history?  If not, that might cause the problem.
>
> Also, if you're removing the document node, you probably have to check out
> its parent.
>
> -Brian
>
>
>
> On 4/3/07, Lubos and Alena Pochman <pochmans@gmail.com> wrote:
> >
> > I would like to implement rollback function for the versioned node. If
> > node
> > has only one version, the node itself is removed. If there is more then
> > one
> > version
> > of the node, the root (top, head) node is removed. I tried v.remove() or
> > history.removeVersion(v.getName()), but both fail with exception:
> >
> > javax.jcr.nodetype.ConstraintViolationException:
> >
> >
> /jcr:system/jcr:versionStorage/23/4c/e0/234ce0e4-4a6a-435c-a4b4-7a8e3fe4f2cf/jcr:rootVersion:
> > cannot remove a protected node
> >
> > Here is the code:
> >
> >             VersionHistory history = document.getVersionHistory();
> >             VersionIterator ito = history.getAllVersions();
> >             if (ito.hasNext()) {
> >                 Version v = ito.nextVersion(); // Top version
> >                 if (ito.hasNext())
> >                     v.remove();
> >                 else
> >                     document.remove();
> >                 session.save();
> >             }
> >
> >
> > My question is, is it possible or do I have to use workaround like
> create
> > new version from version head-1 (create new version) and then remove the
> > original root version and the original head-1 version?
> >
> > Thanks, Lubos
> >
>

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