Hello,
I can't thank you enough for your help, I added ! and everything worked
perfectly. I've been trying to figure out the problem for quite some time
now and I was starting to get really frustrated. I think it would be better
to correct the document and update it (since there are some unfinished parts).
Maybe this document is an old version and a more complete one exists which
I somehow missed?
Again, thank you for the help.
2011/12/14 Wolfgang Meyer <wolfgang.m.me...@googlemail.com>
> Hi,
>
> this is an error in the source code.
> In this line:
>
> {Server2 functor import OS define D1={OS.time} end}
>
> the "define" statement introduces a NEW variable D1. The line does not
> assign to the "D1" variable in the outer scope.
> (Maybe this code is from an earlier Mozart version??)
>
> The correct way to write this is to use an "!" to suppress the declaration
> of a new variable:
>
> {Server2 functor import OS define !D1={OS.time} end}
>
> "!" can also be useful in the patterns of case-statement or when using
> unification within a variable definition
> (see also
> http://www.mozart-oz.org/documentation/tutorial/node5.html#control.anonymous).
>
> Hope this helps,
>
> Wolfgang
>
>
>
> On Wed, Dec 14, 2011 at 11:30 AM, Khadija EL MAHRSI <
> khadija.elmah...@gmail.com> wrote:
>
>> Hi,
>> I've been doing some more tests and any use of D1 after the functor is
>> sent to the server results in an endless wait. Instead of using {Wait D1},
>> I used another variable D2 that uses D1 and the block still remains (since
>> D2 waits for D1 to be bound before continuing). What could be the problem?
>>
>> Thanks
>>
>>
>> 2011/12/13 Khadija EL MAHRSI <khadija.elmah...@gmail.com>
>>
>>> Hello,
>>> I've been trying to do the Agent Server example from the Mobile agents
>>> part in the following link (
>>> http://graubart.rz.ifi.lmu.de/programming/mozart/print/tutorial/DistributedProgramming.pdf)
>>> but for some reason couldn't succeed.
>>> I used the Agent Server code provided in 4.1.6 and the last code for
>>> agents provided in 4.1.2. I think there is a missing line in this agent
>>> code which is {AS.publishserver "/usr/staff/pvr/public_html/as2"} before
>>> Server2={GetServer "http://www.info.ucl.ac.be/~pvr/as2"} (Nothing
>>> worked before I added this line). I also changed both of ".../as2" into
>>> "as2" and ".../agents.ozf" into "agents.ozf" for simplicity.
>>> In my agent code, I added {Wait D1} to be able to see D1's value.
>>> However, The program seems to block when trying to show this value. Can
>>> anyone tell me why?
>>>
>>> Thanks
>>>
>>
>>
>>
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>>
>
>
>
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