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Re: Bindings, Locks, and MOVE

From: <ccjason@us.ibm.com>
Date: Fri, 17 Sep 1999 09:38:08 -0400
To: "Geoffrey M. Clemm" <gclemm@tantalum.atria.com>
cc: w3c-dist-auth@w3.org
Message-ID: <852567EF.004A4CF4.00@D51MTA07.pok.ibm.com>


------------------------------------------
Phone: 914-784-7569,   ccjason@us.ibm.com


"Geoffrey M. Clemm" <gclemm@tantalum.atria.com>@w3.org on 09/17/99 12:24:37 AM

Sent by:  w3c-dist-auth-request@w3.org


To:   w3c-dist-auth@w3.org
cc:
Subject:  Re: Bindings, Locks, and MOVE




   <jlc>

    S\ Dest
    r \
    c  \
        \     empty      |     non-Coll     |   Collection
         +---------------+------------------+----------------
         |NC->E          |NC->NC            |NC->C
   non   |               |                  |
   Coll  |   copy it     |     ?replace?    |       ?
         |               | (bind new copy?) |
        -+---------------+------------------+----------------
         |C->E           |C->NC             |C->C
   Coll  |   copy it     |         ?        |   copy members
         |   & members   |                  |     only

   </jlc>


  <gmc>
  NC->NC is a combined PUT/PROPPATCH.  All bindings to the destination
  continue to be valid.

  C->NC replaces NC with a copy of C.  Any bindings to NC are now bindings
  to the copy of C.  If the server cannot do this rebinding, it must fail
  the COPY request.

  NC->C replaces C with a copy of NC.  Any bindings to C are now bindings
  to the copy of NC.  If the server cannot do this rebinding, it must fail
  the COPY request.

   C->C Recursively perform the merge MOVE from every member of the source
   collection to the corresponding member of the destination collection.
   </gmc>

<jlc>
Note: there might be a client-side need for a version of this that isn't
destructive.  For example, what you recommend for NC->C can end up knocking
a lot of resources out of the URI space.  If the client is a human, she
may not have realized that she was doing that... and may in fact not realize
this until later.
</jlc>
Received on Friday, 17 September 1999 09:32:09 GMT

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