Draft 8 says this about retrieving endpoint properties:
7.7.4.1.5. Response
....
If the ALTO Server does not define a requested property for a
particular endpoint, then it MUST omit it from the response
for only that endpoint.
So if a client asks for a non-existent property type,
wouldn't it be easier just to treat it as 'undefined for
that endpoint', and simply ignore it, rather than requiring
the server to return an E_INVALID_PROPERTY_TYPE error?
It would also be consistent with the filtered network map and
cost map services, because those are supposed to quietly ignore
invalid pids. And it would make a server marginally simpler.
In case you didn't guess, I'm in favor of legislating errors out of
existence, whenever possible.
- Bill Roome
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