Sabine what we could do is to propose a "subclass of UUID" and to group several UUID generators. Like that with a couple of classes, we could get a better eco system where people can pick the one they want. stef On Aug 31, 2013, at 11:49 AM, Sabine Knöfel <sabine.knoefel@gmail.com> wrote:
Hi Esteban,
yes, Mongo is not very communicative ;-)
I replaced OID>>nextOID with my own RKAOIDGenerator
nextOID ^self value: (RKAOIDGenerator getNextOID)
instead of
nextOID ^self value: (UUIDGenerator default makeSeed)
RKAOIDGenerator uses Time>>primMillisecondClock at startup and adds +1 each time I getNextOID as you suggested.
This works fine. It seems to be much much much faster than the existing solution.
[4000 timesRepeat: [UUIDGenerator default makeSeed]] timeToRun ==>> 5817 [4000 timesRepeat: [RKAOIDGenerator getNextOID]] timeToRun ==> 1 (!!)
Perhaps a solution like this would be a better solution for all because it is faster and guarantees unique IDs?
Sabine
On Fri, Aug 30, 2013 at 5:58 PM, EstebanLM [via Smalltalk] <[hidden email]> wrote: Hi,
One idea (not sure if it will work)
You can take
Time primUTCMicrosecondsClock
when system start, then increase it sequentially. most probably that will ensure uniqueness while providing fast ids.
but of course, that depends, you need to check in your system.
I'm thinking on provide different ID generators for Voyage, and let people plug what is more convenient for them.
(all of this happens because, unlike other db drivers, mongo does not answer the inserted id :( )
Esteban
On Aug 30, 2013, at 5:41 PM, Sabine Knöfel <[hidden email]> wrote:
So, I will wait and till then, use the solution of Jan. Thank you, Jan for the file in. Sabine
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