[kepler-dev] is it possible to know which actor is next to be executed

[Christopher Brooks]

Hi Madhavi,
Not easily.  The director controls which actor is fired.  In SDF, the 
SDFScheduler determines the schedule.

SDFScheduler extends actor.sched.StaticSchedulingDirector, which has a 
getScheduler().

PN is more complex, the PNDirector extends 
actor.process.CompositeProcessDirector.  I'm not sure how you would 
determine which actor is next.

You could use the LeftRightDirector at 
doc/tutorial/domains/LeftRightDirector.java to instantiate it, you would 
use Instantiate Attribute or what ever it is called in Kepler and enter 
doc.tutorial.domains.LeftRightDirector.

See 
http://lists.nceas.ucsb.edu/kepler/pipermail/kepler-dev/2011-July/019653.html
and http://inst.eecs.berkeley.edu/~ee249/fa07/PtolemyIIExtensions.pdf

_Christopher


On 9/12/12 3:21 AM, Madhavi Tikhe wrote:
>
> Hi
>
> Is it possible to find out which actor is next in the row to be 
> executed during the workflow execution?
>
> Regards,
>
> Madhavi
>
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-- 
Christopher Brooks, PMP                       University of California
CHESS Executive Director                      US Mail: 337 Cory Hall
Programmer/Analyst CHESS/Ptolemy/Trust        Berkeley, CA 94720-1774
ph: 510.643.9841                                (Office: 545Q Cory)
home: (F-Tu) 707.665.0131 cell: 707.332.0670

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