[kepler-users] string constant actor and loop problem

[[BE] Ufuk Utku Turuncoglu]

hi,

thanks for your help.

i change the 'String Constant' actor to 'Permanent String Constant' and 
now it is working.

best wishes,

ufuk


Dan Higgins wrote:
> Hi,
>    It is not clear to me from your description exactly what your 
> problem is. One possibility may be related to the Director your 
> workflow is using (PN or SDF) and the fact that there are two types of 
> String Constant actors (one is called 'String Constant' and the other 
> is 'Permanent String Constant'). The one named 'Permanent String 
> Constant' will repeatedly output a string, while the other only output 
> a string once. You might try changing the one you are using. (Also, it 
> might be useful in the future if you could include an example workflow 
> with any questions).
>
> Dan Higgins
> NCEAS - UCSB
>
> [BE] Ufuk Utku Turuncoglu wrote:
>> Hi,
>>
>> I try to iterate a workflow which contains some string operations 
>> such as string replace and accumulator. So, i need to input a string 
>> constant to string accumulator actor. In this case the workflow is 
>> not continue/iterate. When i delete the string constant actor the 
>> workflow is working successfully. How can i iterate this kind of 
>> workflow? Is it neccecary to add an extra actor that send dummy 
>> argument to trigger port of the string constant actor?
>>
>> best regards,
>>
>> Ufuk Utku Turuncoglu
>> ITU, Informatics Institute
>> Computational Science and Engineering Programme
>> _______________________________________________
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>> Kepler-users at ecoinformatics.org
>> http://mercury.nceas.ucsb.edu/ecoinformatics/mailman/listinfo/kepler-users 
>>
>>
>>