[Nml-wg] Grouping relations (Relations in NML)

[Roman Łapacz]

W dniu 2012-06-21 14:57, Freek Dijkstra pisze:
> Jeroen van der Ham wrote:
>
>> Grouping is done slightly differently in XML and RDF:
>>
>> Grouping in XML:
>> Containment for elements.
>>
>> Ordering:
>> <NE>  next<NE>
>>
>>
>> Grouping in RDF:
>> <Group>  contains<NE>
>>
>> Ordered group is done using extra ListItem objects:
>> <ListItem>  item<NE>
>> <ListItem>  next<ListItem>
> I presume for RDF you mean
> <Group>  contains<ListItem>
>
>
> We also have the following grouping relations:
> <Node>  implementedBy<Node>
> <Topology|Node>  hasNode<Node>
> <Topology>  hasTopology<Topology>
> <NE>  hasService<Service>
>
> While updated the UML schema, I noted we are missing a few
> group-to-element relations:
>
> <BidirectionalPort>  ?????<Port>
> <BidirectionalLink>  ?????<Link>
> <Topology|Node>  ?????<Link|LinkGroup>
>
> (NB: Node --->  Link is used for cross connects, in case that's not
> immediately obvious.)
>
> And with the recent LinkGroup and PortGroup we also need:
> <PortGroup>  ?????<Port>
> <LinkGroup>  ?????<Link>
>
> Can we use hasPort/hasLink for the 5 missing relations?
>
> <NE>  hasPort<Port>
> <NE>  hasLink<Port>


In my opinoin we don't have to use the relation element  for mentioned 
cases. Simple inclusion would be enough.

example:

<BidirectionalPort>
<Port/>
<Port/>
</BidirectionalPort>


Roman


>
> Regards,
> Freek
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