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Date: Fri, 27 Nov 2009 10:17:32 +0100
Message-ID: <90a8d1c00911270117v4df8ba16o9c1edf64cb3d1599@mail.gmail.com>
Subject: Re: Constraints on Nodes
From: Stefan Guggisberg <stefan.guggisberg@gmail.com>
To: dev@jackrabbit.apache.org
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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 node'
(i.e. only one node instance of a particulal type per workspace/repository).

cheers
stefan

>
> 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