opencog-dev team mailing list archive

["Joel Pitt" <joel.pitt@xxxxxxxxx>]

Nice spotting Ari... In my skim read of Gama's report I missed this.

Since all AtomSpace/TLB calls now go through the AtomTableWrapper PLN
will continue to function assuming that the Handle class can be hashed
for the real->pln/fake handle map and vice versa.

J

On Wed, Oct 22, 2008 at 12:28 AM, Ari Heljakka
<ari.heljakka@xxxxxxxxxxxxxx> wrote:
> Hi Gama,
>
>> * Started investigating another suggestion from the Petaverse port:
>>  replace the Handle typedef with a real class. This should help us find
>>  out several semantic bugs in the code that rely on the assumption that
>>  Handle == unsigned long.
>
> I remind that the vtree system relies on the assumption that Handles can be
> converted to (long) integers. There is a natural way to get rid of this
> assumption by extending the Vertex variant to contain also your new Handle
> class (instead of containing the Handle-integer) and then rewrite the code
> that relies on the integer assumption, correspondingly.
>
> The code that relies on this assumption includes most significantly PLN, and
> less significantly the space-time schemata used by the reasoning module, and
> maybe some of the older MOSES code.
>
> --
> Ari Heljakka
> CTO
> Dream Broker Ltd
>
> Tekniikantie 14                 ari.heljakka@xxxxxxxxxxxxxx
> 02150 Espoo                     +358 40 568 2420
> Finland                         www.dreambroker.fi
>
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