>
> We talked about how you can achieve what you need to do, and I believe
> that you would need to create two activities and have two processors
> in the workflow, one that receives at depth 0, and a second one who
> does not receive anything, but has a conditional 'Run after' link to
> the first processor. You can then run anything you need to do 'after
> list completion' in the second processor - the problem then is how to
> pass the state from the first to the second activity - it depends on
> what you need to do in the second phase what you would need to pass.
>
>
This direction seems simpler for me.
What I need is a simple boolean flag whether the interation is the end or
not.
When I make a workflow like:
any_previous_activity (depth 1) --(merge)--> (depth 0) main_activity
|--> (run after) conditinal_activity----|
does this work as intended, main_acitivity recieves some special input from
the conditional_activity, everything in the streaming mannar?
Or the main_activity has another input port which recieves the output of the
conditional_activity -- well I am not sure what happens in this case.
I can configure the main_activity to process the main inputs first in the
streaming mannar, and recieve the output of the conditional_activity at
last?
Many thanks,
-Yoshinobu
> Another alternative is to accept at depth 1, but just as T2Reference's
> and do the for-loop internally in the activity, dereferencing one and
> one value of the list. You would thereby avoid the large memory usage,
> but that activity would not get called until the whole list is ready.
>
> A combination of these two approaches could also be considered.. For
> instance you can have the second activity receive a list of values,
> connecting that input port to an output port from the first activity
> (which would have depth 0). On the second activity's input port you
> would set that you want T2Reference as the type (instead of say
> String), and that way you could get rid of the conditional link.
> (This would also avoid the problem of when you have lists of lists,
> and you want several invocations of the second activity without
> waiting for all the lists to be produced)
>
>
> --
> Stian Soiland-Reyes, myGrid team
> School of Computer Science
> The University of Manchester
>
--
Yoshinobu Kano (Given/Family)
[email protected]
Project Research Associate, the University of Tokyo / U-Compare Project Lead
http://www-tsujii.is.s.u-tokyo.ac.jp/ http://u-compare.org/kano/
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