On Feb 19, 2007, at 11:33 PM, Venkata Krishnan wrote:
Hi ,
To support multivalued properties I intend to change the
'defaultValue'
field of Property and 'value' field of PropertyValue from the type
'Document' to the type 'List<Document>'. When a property is
qualified as
'many=false' this list must be constrained to contain only one
value and
when many='true' the list can contain more than one value.
Among other things that need a change to support multivalued
properties I
see that the PropertyObjectFactory is one. I see that the
'getInstance'
must be changed to support a list of intances instead of just one.
I did look at the ArrayMultiplicityObjectFactory and
ListMultiplicityObjectFactory for some hints, but wonder if that
approach is
applicable here too. Though a property may have multiple values, my
understanding is that each of these values will conform to the same
type and
hence might require just one factory instance to create them all.
So my
suggestion is that these factories return a list of instances. In the
single valued case this list just contains one value while in other
cases it
contains multiple instances.
Thoughts / Suggestions ?
Like you mentioned above, why couldn't this be done similar to
ArrayMultiplicityObjectFactory? I don't think the builder should have
any special knowledge about multivalued properties.
Jim
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