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From "Tobias Bocanegra" <tobias.bocane...@day.com>
Subject Re: createdBy & version number
Date Fri, 18 Apr 2008 18:36:43 GMT
>  "Secondly, is there built-in support to generate the version numbers like
>  1.1, 1.2, when checkin or do I have to set version label manually?"

no, the name of the version is controlled by the repository. but you
can assign your own version labels using VersionHistory.addLabel()

--
regards, toby

>
>
>
> -----Original Message-----
>  From: tripod@day.com [mailto:tripod@day.com] On Behalf Of Tobias Bocanegra
>  Sent: Friday, April 18, 2008 1:35 AM
>  To: users@jackrabbit.apache.org
>
> Subject: Re: createdBy & version number
>
>  hi,
>  the root version is the initial version which never has any content.
>  it is more of a sentinel to make the version graph easier. it is also
>  the base version of the node when it is made versionable for the first
>  time, without a root version, the base version would be empty and this
>  would complicate things alot. this way the following invariants are
>  always fullfilled:
>
>  - every version but the root version has at least one predecessor version
>  - every versionable node has a base version (jcr:baseVersion)
>
>  regards, toby
>
>
>  On 4/17/08, Zhihai Liu <zliu@cleverex.com> wrote:
>  > Thanks a million, Brett!
>  >
>  >  Something interesting pops up, though. I added/checked in the node once,
>  but
>  >  found VersionHistory has two entries. Through frozen node, I can get the
>  >  property "createdBy" with the newer version (base version). The older
>  >  version (root version), however, does not have this property saved.
>  >
>  >  Then I tested with more check out/in. It turns out that entries in
>  >  VersionHistory is always one more than the number of check out/in. Among
>  the
>  >  entries, only the root version does not have the property.
>  >
>  >  I don't quite understand the "extra" root version and why it does not
>  save
>  >  the property...
>  >
>  >
>  >
>  >  -----Original Message-----
>  >  From: Conoly, Brett [mailto:Brett.Conoly@digitalinsight.com]
>  >  Sent: Thursday, April 17, 2008 11:57 AM
>  >  To: users@jackrabbit.apache.org
>  >
>  > Subject: RE: createdBy & version number
>  >
>  >  Took me a little while to find that also, but in order to get the
>  >  properties of the version you have to
>  >  getNode(JcrConstants.jcr_frozenNode).getProperty("createdBy") or
>  >  something like that.  To better explain it, the versions have a
>  >  frozenNode associated with them that contains readonly properties of
>  >  that version.
>  >  Hope this helps,
>  >  Brett
>  >
>  >  -----Original Message-----
>  >  From: Zhihai Liu [mailto:zliu@cleverex.com]
>  >  Sent: Thursday, April 17, 2008 11:53 AM
>  >  To: users@jackrabbit.apache.org
>  >  Subject: createdBy & version number
>  >
>  >  Hi,
>  >
>  >
>  >
>  >  I have a couple of questions regarding to the use of version.
>  >
>  >
>  >
>  >  Firstly, it is my understanding that there is no built-in support to
>  >  save
>  >  the username who check in the node in version history. So I use a
>  >  property
>  >  "createdBy".
>  >
>  >  // set createdBy
>  >
>  >  node.setProperty("createdBy", session.getUserID());
>  >
>  >  session.save();
>  >
>  >  node.checkin();
>  >
>  >
>  >
>  >  Then I found that I cannot retrieve it from base version or version
>  >  history.
>  >
>  >
>  >  // retrieve from base version
>  >
>  >  String createdBy;
>  >
>  >  Version baseVersion = node.getBaseVersion();
>  >
>  >  if (baseVersion.hasProperty("createdBy")) {
>  >
>  >   createdBy = baseVersion.getProperty("createdBy").getString();
>  >
>  >  }
>  >
>  >
>  >
>  >  But it is saved correctly and can be retrieved from node.
>  >
>  >  // retrieve from node
>  >
>  >  String createdBy = node.getProperty("createdBy").getString();
>  >
>  >
>  >
>  >  I know that versions are different nodes in repository. Don't they keep
>  >  all
>  >  the data that is saved before checkin? Did I do something wrong?
>  >
>  >
>  >
>  >  Secondly, is there built-in support to generate the version numbers like
>  >  1.1, 1.2, when checkin or do I have to set version label manually?
>  >
>  >
>  >
>  >  Thank you very much.
>  >
>  >
>  >
>  >
>  >
>
>

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