RE: Finding Unique values in a set area??

Hi Chad,

It's been a while since the post so I'm not sure if the question is still 
valid but below is one solution.
> Within each Router I can have multiple Device elements and each of them can 
> have
> one PeerMap element.  In each PeerMap can be multiple Peer elements.  What 
> I
> need to do is verify that the LocalViewAddress and VirtualAddress are 
> unique
> within a PeerMap element, amongst all the Peers.  They can be the same if 
> they
> are in different Device/PeerMaps.  I've tried a ton of variations of the
> following with no success:
>
>   <sch:pattern name="PeerMap Validation">
>     <sch:rule context="PeerMap">
>       <sch:assert test="count ( //PeerMap [Peer/@VirtualAddress =
> current()/Peer/@VirtualAddress] ) = 1" diagnostics="router_id">Peer:
> VirtualAddress is not unique!</sch:assert>
>       <sch:assert test="child::Peer/@LocalViewAddress"
> diagnostics="router_id">Peer: LocalViewAddress is missing!</sch:assert>
>       <sch:assert test="child::Peer/@VirtualAddress"
> diagnostics="router_id">Peer: VirtualAddress is missing!</sch:assert>
>     </sch:rule>
>   </sch:pattern>
>
> I've tried changing the context path, the paths in the count arguments with 
> no
> success.  Please let me know how I need to fine tune this.
This should work:

<sch:pattern name="Router Validation">
   <sch:rule context="Router/Device/PeerMap">
       <sch:assert test="Peer/@LocalViewAddress">Peer: LocalViewAddress is 
missing!</sch:assert>
       <sch:assert test="Peer/@VirtualAddress">Peer: VirtualAddress is 
missing!</sch:assert>
   </sch:rule>
   <sch:rule context="Router/Device/PeerMap/Peer">
       <sch:assert 
test="count(following-sibling::Peer[current()/@LocalViewAddress = 
@LocalViewAddress]) != 1">LocalViewAddress is not unique within the 
PeerMap.</sch:assert>
       <sch:assert 
test="count(following-sibling::Peer[current()/@VirtualAddress = 
@VirtualAddress]) != 1">VirtualAddress is not unique within the 
PeerMap.</sch:assert>
   </sch:rule>
</sch:pattern>

Cheers,
/Eddie

> Thanks, chad
> ____________________________________________________________
>
> Chad Williamson, B.Sc. CE                                    BOW Networks 
> Inc.
> Software Developer                                                 #200, 
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> TEL: (403) 640-8422                                                  
> Calgary,
> Alberta
> FAX: (403) 253-8979                                                  T2H 
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> e-mail: chad.williamson@xxxxxxxxxxxxxxx
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