[Zope-dev] Re: is an object in a folder

[Florent Guillaume]

>       def hasObject(self, id):
>           """Test if an object is in the current object."""
>           return id in self.objectIds()

Because then it always computes all ids, before testing presence (second
list scan). Time is N+pos(id) whereas with the scan below, time is
pos(id) (N being the total number of subobjects).

Florent


> >      def hasObject(self, id):
> >          """Test if an object is in the current object."""
> >          for o in self._objects:
> >              if o['id'] == id:
> >                  return 1
> >          return 0
> >
> > to ObjectManager.
> >
> > This would bring it in line with BTreeFolder2 (who already has an
> > hasObject method) and we could then always use the most efficient method
> > to test if a folder has a given subobject id.
> >
> > Opinions ?
> >
> > Florent

-- 
Florent Guillaume, Nuxeo (Paris, France)
+33 1 40 33 71 59  http://nuxeo.com  mailto:fg at nuxeo.com