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From <george.sib...@bt.com>
Subject RE: Constraints on Nodes
Date Fri, 27 Nov 2009 09:53:11 GMT
Many thanks for the speedy update Stefan. 

-----Original Message-----
From: Stefan Guggisberg [mailto:stefan.guggisberg@gmail.com] 
Sent: 27 November 2009 09:18
To: dev@jackrabbit.apache.org
Subject: Re: Constraints on Nodes

hi george

On Fri, Nov 27, 2009 at 10:00 AM,  <george.sibley@bt.com> wrote:
> Hi
> I don't see anything available in jackrabbit that enables me to impose

> constraints on Nodes (e.g. ensure only one node of specific type is 
> created).

you can define costraints on the types of child nodes and on the values
of properties.

but there's no easy way of implementing something like a 'singleton
(i.e. only one node instance of a particulal type per


> Can someone confirm that this feature is definitely NOT available, and

> if not whether there is a planned feature to provide it in the future.
> Many thanks
> Regards
> George Sibley

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