Re: [occi-wg] Core errata

+1 Also, please look at the trackers...I added two from past emails which may or may not have been previously captured. The tracker tool can be a helpful - it has worked well for other OGF projects that I've participated in. https://forge.ogf.org/sf/go/projects.occi-wg/tracker.occi_1_1 -- Michael Ralf Nyren wrote:

Hi Alan,

Thanks for the pointer to GFD.152.

Having read the definition I would say the proposed OCCI Core changes falls within Type 1 and 2, i.e. Editorial fixes and Minor technical fixes.

What do you others say?

I have split up the changes in different commit's so you can view them independently if you like.

The reason for pushing these changes is the upcoming JSON rendering (data format). JSON is better at exposing the full potential of the Core model and I believe due to this we found some minor issues with the Core document which needed fixing to have a consistent relationship between the Core and JSON specs.

As a bonus the changes makes the existing HTTP Rendering align better with Core as well. Having Action inherit Category is one such example.

regards, Ralf

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See pages 15 and 16 of GFD.152 for guidance as to how and when to use

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errata process as opposed to creation of a new document that obsoletes

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old one.

Note the OGF process is not tuned for publishing small incremental updates, but instead is set up to facilitate production and maintenance of completed standards documents. that having been said, if the changes do not affect conformance, they can often be incorporated in via errata (which should nonetheless be rare and do require agreement among the corresponding authors to request the change).

Hope this helps, Alan

On Sep 3, 2012, at 3:17 PM, Andre Merzky wrote:

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On Mon, Sep 3, 2012 at 8:35 PM, Michael Behrens wrote:

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Thanks - reading now...looks good. Quick note: Recommend removal of GDF-P-R.183 from header to avoid reader confusion, as the number would change and this is now a draft, right? Since the changes are normative, the document number will have to change (which means the doc has to go through public review again).

Before submitting the document, please make sure that all open 'core' issues are addressed - I don't think it is a good idea to have new spec versions too often.

Best, Andre.

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Also, line 126: change "Attribute describe" to "The Attribute type describes"

Ralf Nyren wrote:

Dear all,

I have update the Core document to include the changes discussed on

On Tue, 4 Sep 2012 22:16:05 +0000, "Sill, Alan" wrote: the the the

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last few confcalls.

The LaTeX changes are available from the core-errata branch in the occi-wg Git repository. Please find a compiled document attached.

Add a Attribute type to the Core Model --------------------------------------

Many who have implemented the OCCI Core model already added an Attribute type. This change formalise the notion of "attribute properties".

Instead of just saying an attribute have a name, an attribute now has its on Attribute type with both name an properties.

The new Attribute type is an *identifier* for resource attributes. It does not contain the attribute value. I.e. just as before.

A distinction has been added between "client discoverable attributes" (called OCCI Attributes) and attributes internal to the model (called model attributes). occi.core.id, occi.core.source and occi.core.target have been changed back to the model attributes they were until shortly before HTTP Rendering was released. These are determined to be model attributes and thus receive special care in renderings.

Change Action to inherit Category ---------------------------------

The concept of Action representing the "invocable operation" itself is removed. Instead an Action is just an *identifier* of the operation.

An Action instance identifies an invocable operation in much the same way as a Kind instance identifies an Entity sub-type.

Impact on the existing HTTP Rendering (occi/1.1) is none. In fact the text/ renderings already use "type=action" in its Category headers.

regards, Ralf

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