[Standards-JIG] pubsub: multiple inheritance?
stpeter at jabber.org
Thu Feb 2 17:11:31 UTC 2006
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The current version of JEP-0060 states that a leaf node may belong to
multiple collections and that the "pubsub#collection" x:data field MUST
be of type "text-multi" (so that the node owner can associate the leaf
with multiple collections). This essentially mandates multiple
inheritance for nodes and therefore introduces increased complexity for
implementors. Personally I think this is not a good idea. However, I
think it would be best to leave this up to the implementation. Therefore
I would propose the following:
1. An implementation MAY allow a leaf node to be associated with more
than one collection node and therefore MAY specify a type of
"text-multi" for the "pubsub#collection" field.
2. However, it is RECOMMENDED to allow only one parent collection node
for each leaf node and therefore it is RECOMMENDED to specify a type of
"text-single" for the "pubsub#collection" field.
Jabber Software Foundation
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