Ok this reflects what I had understood, I hope! :p

The case that my question arose out of was the following:

 - user creates a user defined mixin (UDM), which is used later to group resources.
 - the formulation of the UDM mixin includes a related mixin (a security group mixin).
 - when the request is received by the server side the fact that there is a rel value signals that additional processing may be required (in this case, yes) to satisfy the completion of the request.

Andy
andy.edmonds.be


On Mon, Apr 23, 2012 at 16:57, Ralf Nyren <ralf@nyren.net> wrote:

Andy, you asked about whether a Mixin related to another Mixin will
inherit the attributes.

Please look at OCCI Core page 9:

"Mixin Relationships A Mixin instance MAY be related to another Mixin
instance for type classification
purposes. For example a set of operating system templates, implemented as
Mixin instances, could be related
to an “OS-template” Mixin in order to help identification.

Attributes and Actions defined by different Mixin instances are combined
when Mixin relationships are present.
^^^^^^^^^^^

Therefore a resource instance associated with a particular Mixin will
receive the additional capabilities defined
by any related Mixin instances as well as those defined by the Mixin
associated."

Does this cover what you were after? Maybe it is unclear that
"capabilities" refer to attributes as well?

regards, Ralf
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