RE: [plcs-dex] identifiable effectivity requirements?

[Gordon Robb <gor@lsc.co.uk>]

Title: RE: [plcs-dex] identifiable effectivity requirements?

Tim,
Sounds just like the problems we saw when the PDM module 'effectivity' was reviewed nearly 3 years ago. We couldn't see the requirement for the other 'effectivity modules. Everything should work from the basic 'effectivity' module as per a normal business does.

regards
Gordon

-----Original Message-----
From: Tim Turner [mailto:timturner11@bellsouth.net]
Sent: 28 June 2004 14:42
To: DEXS-PLCS-OASIS (E-mail)
Subject: [plcs-dex] identifiable effectivity requirements?

Hi All,

I have been re-doing the effectivity stuff and noticed that although
effectivity has an .id attribute, I cannot place an identification
assignment on effectivity as the identification_item select type does not
extend to this (or the subtypes of effectivity). I automatically tried to do
this since we don't use the local id attributes, but are there any
requirement for this?

I note that generally, an instance of effectivity should not exist in
isolation, i.e. it should either part of an effectivity assignment or part
of a configuration effectivity - though there seems nothing to enforce this.
Through these relationships, instances of effectivity can be identified
(indirectly). The question I guess - is whether an instance of effectivity
needs to be directly/uniquely identifiable?

regards,
Tim

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