[Standards-JIG] JEP-0060 Publisher Model - node hirarchy permissions
jabber.org at ralphm.ik.nu
Wed May 24 15:28:04 UTC 2006
On Wed, May 24, 2006 at 05:00:17PM +0200, bernhard wrote:
> Thank you very much for the answer.
> Now I have new questions about collection nodes
> >>2.) A collection is similar to a directory in file system - do we need
> >We have explicitely not defined how node hierarchies are set up.
> >Directories in file systems in general assume a tree like structure. We
> >assume a directed multigraph without cycles with the addition of a
> >virtual root node that comprises all (leaf and collection) nodes at a
> The hierachie is not defined by the jep.
> But then I don't understand
> 9.4 Creating Nodes Affiliated with a Collection
> Is it possible that a node/collection is "child" of more than one
Yes. See 
> Shouldn't it be possible to assign an existing node to a collection? -
It is, by changing a collection node's configuration.
> otherwise it is a tree
No, it might be several. Also, as I mentioned, there is the root node
that is special in that it contains all nodes in a service.
> How to prevent cycles? Is it a task of the system or the user?
I suppose it is in the best interest of the service implementation to
safe-guard against cycles (because you otherwise get notification
loops), and of the entity creating the graph structure by adding nodes
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