Duplicate Entries question

["David Chadwick" <d.w.chadwick@salford.ac.uk>]

Jim

How do you envisage the criticality flag and the partial control flag 
interacting, for all four combinations, viz:

i) critical false, partial true - presumably the server can duplicate 
entries from zero to all of the attributes

ii) critical true, partial false - presumably the server must duplicate 
entries for all of the attributes or fail

Now here are the interesting ones

iii) critical false, partial false -  the server can duplicate entries for 
zero OR all of the attributes, but not some number in between ?

iv) critical true, partial true - the server can duplicate entries from 
zero to all of the attributes, same as case i)? If this is the case it 
means that criticality has no effect when partial is true.

I wonder if we really need both flags? If we wrote the spec to say 
that if critical is false, the server can choose to duplicate entries 
from any, all or none of the attributes, and if critical is true it must 
do all or give an error, then we dont need the partial flag do we?

David

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David Chadwick
IS Institute, University of Salford, Salford M5 4WT
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