[SAGA-RG] FW: ISN spec

Hi Andre Thanks for your feedback. The document has been updated http://hepunx.rl.ac.uk/egee/sa3-uk/sd/ISNSpec.pdf Regards Antony

- Use cases: the document is not very explicit about the requirements, and only vaguely refers to the SAGA use cases - I think the requirements should be defined in somewhat more detail, and/or one or more use cases should explicitly be mentioned.

Now mentions UC 1, section 7

- "No use-case has been identified for the operators >=, >, <=, < to be applied to strings. An Implementation wishing to support these comparison operators on strings MUST select a collation sequence. Alternatively, an implementation CAN treat all string comparisons as true, or reject them as invalid SQL."

IMHO, if the operators are defined, they should be evaluated, or an error should be thrown. I think it will 'surprise' users if the ops are accepted, but not applied.

I am inclined to agree but this is consistent with how the SD spec describes the treatment of strings

- the classes do not inherit the saga::async interface, and thus will not have asynchronous operations. Is that on purpose, or an oversight?

Again this is to remain consistent with the SD spec

- "model: the name of the information model"

That seems to be a freeform string? I think it would be useful to at least propose (SHOULD) string constants for glue 1 and 2?

A note added

- "in session"

by convention in the core spec, the session parameter should always be the first one. It is still optional though - see core spec for details (basically, it is up to he language binding how to render that).

Updated

- You do not have TimeOut, PermissionDenied, Authorization/Authentication etc exceptions. I am unclear about the underlying protocol (and the API should not care), but are you sure those error modes do not (ever) apply to the calls?

- some calls have no exceptions whatsoever - are you sure they will *always* succeed? :-)

Added to constructor get_data and list_related_entity_names the data has already been loaded and parsed as a result of the constructor so will always succeed exceptions Timeout to get_related_entities these calls should return objects that you are authorized to see

- what is "N.B" in the notes for "list_related_entity_names" ?

Removed

- indentation seems sometimes faulty, in particular on line breaks in the verbatim sections, but also in the table in 3.1

Fixed

- in the example, the include should just be - at least we don't define individual includes for any other package so far.

Changed

- you list two prototypes of 'get_related_entities' in the IDL section, but only one set of details later on. I guess you could use a default parameter value for the filter in IDL to fix this?

Added comment saying that the operation is overloaded, this is then consistent with the SD spec

Hope that helps,

Andre.

On Sat, Feb 26, 2011 at 1:03 PM, Andre Merzky wrote:

...

Dear SAGA group,

on behalf of Steve Fisher and Antony Wilson, please consider the attached document.  If there are no objections raised on this list within the next 10 days, we intent to submit this document to the OGF editor for publication as P-REC.

Thanks to Steve and Antony for working on this document! :-)

Best, Andre.

---------- Forwarded message ---------- From: Steve Fisher Date: Fri, Feb 25, 2011 at 11:36 PM Subject: ISN spec To: Shantenu Jha , Andre Merzky , Thilo Kielmann Cc: Antony Wilson

Hi,

Antony made the few small changes as requested at the last OGF and we would now like to circulate it for a final call within the group.

If you agree please do so - then after a suitable period it can go to the OGF editor.

It is at http://hepunx.rl.ac.uk/egee/sa3-uk/sd/ISNSpec.pdf

Steve

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