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-----Original Message-----
From: Rob Bodington [mailto:rob.bodington@eurostep.com]
Sent: 29 July 2004 08:14
To: plcs-dex@lists.oasis-open.org
Subject: [plcs-dex] Identification of properties
Hi
I was wondering whether we should use identification_assignment to identify
properties.
The justification being:
1) We have tried to use identification_assignment rather than id
attributes consistently throughout.
2) We use identification_assignment because that allows us to have
multiple identifiers on things. Question - does it makes sense to have
multiple identifiers on properties?
The reason for not using identification_assignment is that the PDM schema
does not.
Is there really a business requirement to allow multiple identifiers on
properties?
Regards
Rob
-------------------------------------------
Rob Bodington
Eurostep Limited
Web Page: <http://www.eurostep.com> http://www.eurostep.com
<http://www.share-a-space.com> http://www.share-a-space.com
Email: Rob.Bodington@eurostep.com
Phone: +44 (0)1454 270030
Mobile: +44 (0)7796 176 401
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<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>Hi=20
Rob,</FONT></SPAN></DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>From a=20
systems integrator's point of view, I've never encountered the need to =
do this.=20
Usually, the name of the property in context of the=20
part/document/requirement/etc. it describes is enough to identify it. I =
would be=20
relucant to force identification of properties when there will be no =
source data=20
available to populate the identifier when you export =
data.</FONT></SPAN></DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>There=20
obviously is a need to identify the property class, but this will be =
taken care=20
of with external_class.</FONT></SPAN></DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>Cheers</FONT></SPAN></DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>--</FONT></SPAN></DIV>
<DIV><SPAN class=3D862455407-29072004><FONT face=3DArial color=3D#0000ff =
size=3D2>Ian</FONT></SPAN></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=3DOutlookMessageHeader lang=3Den-us dir=3Dltr =
align=3Dleft><FONT=20
face=3DTahoma size=3D2>-----Original Message-----<BR><B>From:</B> Rob =
Bodington=20
[mailto:rob.bodington@eurostep.com] <BR><B>Sent:</B> 29 July 2004=20
08:14<BR><B>To:</B> plcs-dex@lists.oasis-open.org<BR><B>Subject:</B>=20
[plcs-dex] Identification of properties<BR><BR></FONT></DIV>
<DIV class=3DSection1>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">Hi</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">I was wondering whether =
we should=20
use identification_assignment to identify =
properties.</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">The justification=20
being:</SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 36pt; TEXT-INDENT: =
-18pt"><FONT=20
face=3DArial size=3D1><SPAN style=3D"FONT-SIZE: 9pt; FONT-FAMILY: =
Arial">1)<FONT=20
face=3D"Times New Roman" size=3D1><SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'"> =20
</SPAN></FONT></SPAN></FONT><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">We have tried to use=20
identification_assignment rather than id attributes consistently=20
throughout.</SPAN></FONT></P>
<P class=3DMsoNormal style=3D"MARGIN-LEFT: 36pt; TEXT-INDENT: =
-18pt"><FONT=20
face=3DArial size=3D1><SPAN style=3D"FONT-SIZE: 9pt; FONT-FAMILY: =
Arial">2)<FONT=20
face=3D"Times New Roman" size=3D1><SPAN=20
style=3D"FONT: 7pt 'Times New =
Roman'"> =20
</SPAN></FONT></SPAN></FONT><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">We use =
identification_assignment=20
because that allows us to have multiple identifiers on things. =
Question – does=20
it makes sense to have multiple identifiers on =
properties?</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial"></SPAN></FONT> </P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">The reason for not using=20
identification_assignment is that the PDM schema does not. =
</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3DArial size=3D1><SPAN=20
style=3D"FONT-SIZE: 9pt; FONT-FAMILY: Arial">Is there really a =
business=20
requirement to allow multiple identifiers on =
properties?</SPAN></FONT></P>
<P><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Regards<BR>Rob</SPAN></FONT></P>
<P><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">------------------------------------------- <BR><=
/SPAN></FONT><FONT=20
face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Rob=20
Bodington</SPAN></FONT><FONT face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: Arial"><BR>Eurostep =
Limited<BR>Web Page:=20
</SPAN></FONT><A href=3D"http://www.eurostep.com";><FONT face=3DArial =
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">http://www.eurostep.com</SPAN></FONT></A><FONT=20
face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">=20
</SPAN></FONT><A href=3D"http://www.share-a-space.com";><FONT =
face=3DArial=20
size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">http://www.share-a-space.com</SPAN></FONT></A><BR><FONT=20
face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Email:=20
Rob.Bodington@eurostep.com<BR>Phone: +44 (0)1454 =
270030<BR></SPAN></FONT><FONT=20
face=3DArial size=3D2><SPAN=20
style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">Mobile</SPAN></FONT><FONT=20
face=3DArial size=3D2><SPAN style=3D"FONT-SIZE: 10pt; FONT-FAMILY: =
Arial">: +44=20
(0)7796 176 401</SPAN></FONT></P>
<P class=3DMsoNormal><FONT face=3D"Times New Roman" size=3D3><SPAN=20
style=3D"FONT-SIZE: =
12pt"></SPAN></FONT> </P></DIV></BLOCKQUOTE></BODY></HTML>
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