Hi Ron,

Out of interest: did you have a look at the "count" clause [1]?

Christian

[1] http://docs.basex.org/wiki/XQuery_3.0#Enhanced_FLWOR_Expressions

On Fri, Oct 23, 2015 at 12:02 AM, Ron Katriel <rkatriel@mdsol.com> wrote:
> Thanks all!
>
> I went with the solution suggested by Christian. It is simple, efficient,
> and solves my problem (starting at 1 is fine). The GFLWOR approach is nice,
> except that I have two nested for loops so it produces two counts instead of
> one (and there is no straightforward way to combine them into a single
> monotonically increasing number).
>
> Best,
> Ron
>
> On October 22, 2015 at 5:47:53 AM, Marc van Grootel
> (marc.van.grootel@gmail.com) wrote:
>
> Hi,
>
> Wouldn't clj-ds [1] be of any help in this? It has support for
> transients.I believe that Exist uses this somewhere in their code not
> sure where. I think it makes use of these Atomic* objects under the
> hood but providing a "functional" facade. btw I'm not speaking from
> experience with this library but I do have it on my longlist.
>
> [1]: https://github.com/krukow/clj-ds
>
> On Thu, Oct 22, 2015 at 9:38 AM, Christian Grün
> <christian.gruen@gmail.com> wrote:
>> Hi Rob,
>>
>> A short variant of your approach could look like this:
>>
>> import module namespace counter =
>> 'java.util.concurrent.atomic.AtomicInteger';
>> for $i in 1 to 10
>> return counter:incrementAndGet()
>>
>> As you already indicated, it violates the functional programming
>> design, so I would surely recommend everyone to use the GFLWOR "at" or
>> "count" clause (or possibly fold-left, etc.)
>>
>> And hi Ron,
>>
>> Do you need to start with an existing counter when running your query,
>> or is it sufficient to start with 1?
>>
>> Christian
>>
>>
>> On Thu, Oct 22, 2015 at 9:07 AM, Rob Stapper <r.stapper@lijbrandt.nl>
>> wrote:
>>> Hi Ron,
>>>
>>> Maybe the attached codes-nippet is useful to you.
>>> It is an example of stateful programming, which isn't compliant with the
>>> functional programming concept but, in some cases, can be very useful.
>>>
>>> Hopes it helps,
>>> Rob Stapper
>>>
>>> PS. put the module-file in a subdirectory: "counter", in your
>>> basex-repo-directory.
>
>
>
> --
> --Marc