Re: [YANG] import statement

[Ladislav Lhotka <lhotka at cesnet.cz>]

Juergen Schoenwaelder píše v So 03. 05. 2008 v 18:58 +0200:
> On Sat, May 03, 2008 at 05:31:03PM +0200, Ladislav Lhotka wrote:
> > 
> > Juergen Schoenwaelder p????e v So 03. 05. 2008 v 16:32 +0200:
> > 
> > > There are also examples. An augment of foo-cont simply sticks nodes
> > > into the foo-cont container; there is no new instantiation of
> > > foo-cont.
> > > 
> > 
> > Example on pages 82 and 83 contradicts what you are saying: the augment
> > statement in namespace http://example.com/schema/ds0 takes the schema
> > subtree defined by "container interfaces" in namespace
> > http://example.com/schema/interfaces, augments it and effectively places
> > the result at the spot of the augment statement in the
> > http://example.com/schema/ds0 namespace.
> 
> I don't see the contradiction.
> 
>      augment "/if:interfaces/if:ifEntry" {
>          when "if:ifType='ds0'";
>          leaf ds0ChannelNumber {
>              type ChannelNumber;
>          }
>      }
> 
> This augment introduces a leaf ds0:ds0ChannelNumber that appears under
> /if:interfaces/if:ifEntry and this is what the example shows. There
> is no new instantiation of /if:interfaces/if:ifEntry.

Assume a device that supports the data model as in the XML snippet on
page 83. Which of the two namespace URIs will it advertise in the hello
message? I assume it is http://example.com/schema/ds0. Where is the
<interfaces> block then instantiated if the import statement just makes
the identifiers from http://example.com/schema/interfaces accessible and
the augment statement doesn't do it?

Lada

> 
> /js
> 
-- 
Ladislav Lhotka, CESNET
PGP Key ID: E74E8C0C

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