It is certainly possible for an object to have multiple content models. It is 
no more difficult than adding "hasModel" predicates to the object's RELS-EXT.

I'm afraid I do not know whether the migration tools can do this for you, but I 
am inclined to suspect not.

---
A. Soroka
Digital Research and Scholarship R & D
the University of Virginia Library



On Sep 17, 2010, at 8:42 AM, ps552 wrote:

> can anybody confirm if 1)it is possible for a fedora object to belong to more 
> than one Cmodel, and 2) if it is possible to configure the migration tool to 
> do this? the scenario I am thinking of is where we are interested in two 
> datastreams for the purpose of a locating CModels . the first of these is the 
> presence of a VRA datastream, the second is the presence of a second 
> datastream relating to licencing. 
> 
> If each object can be allocated to one and only one Cmodel, then we would 
> need two models relating to a)VRA with Licencing datastream OR b) VRA without 
> Licencing datastream.
> 
> If, however, its possible to allocate two models at migration we would then 
> have ALL objects with VRA belonging to the model allocated to objects with 
> VRA datastreams, and in addition some of these would also belong to the model 
> allocated to objects with a Licensing datastream.
> 
> The second model is the one we would prefer, however looking at the 
> documentation it is beginning to appear to me that the CModel is a composite 
> type describing the datastreams, mime types etc configured as relevant to 
> each model;  each object should only belong to one Cmodel . Or am I 
> misinterpreting this? and if so, how can I configure the migration tool to 
> allocate two CModels?
> 
> Cheers
> 
> Peri Stracchino
> 
> Digital Library Team
> 
> University of York
> 
> ext 4082
> 
> 
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