[kepler-users] Kepler-users Digest, Vol 90, Issue 10
Alvin Sebastian
a.sebastian at qut.edu.au
Thu Nov 15 15:24:57 PST 2012
Hi Jonathan,
Thank you very much. I just realized that the parameter also controls the iterations.
Regards,
Alvin
From: kepler-users-bounces at kepler-project.org [mailto:kepler-users-bounces at kepler-project.org] On Behalf Of Jonathan Boright
Sent: Friday, 16 November 2012 12:25 AM
To: kepler-users at kepler-project.org
Subject: Re: [kepler-users] Kepler-users Digest, Vol 90, Issue 10
Alvin,
One simple way to get your desired results is to use the PN director. You'll need to control the number of firings by setting the firingCountLimit in your constant (array) actor.
I've attached an example.
Good luck!
Jon
On Wed, Nov 14, 2012 at 7:11 PM, <kepler-users-request at kepler-project.org<mailto:kepler-users-request at kepler-project.org>> wrote:
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Today's Topics:
1. ArrayToSequence Actor (Alvin Sebastian)
2. Re: ArrayToSequence Actor (Edward A. Lee)
3. Re: ArrayToSequence Actor (Sean Riddle)
4. Re: ArrayToSequence Actor (Alvin Sebastian)
----------------------------------------------------------------------
Message: 1
Date: Thu, 15 Nov 2012 09:23:10 +1000
From: Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>
To: "kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>"
<kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>>
Subject: [kepler-users] ArrayToSequence Actor
Message-ID:
<60495E34E2CF58448A44DE567C6FAF24492A298084 at QUTEXMBX03.qut.edu.au<mailto:60495E34E2CF58448A44DE567C6FAF24492A298084 at QUTEXMBX03.qut.edu.au>>
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Hi All,
I am a new Kepler user who somehow stuck at how to do a specific thing in Kepler.
I am using a SDF director to run a simple sequential workflow only once. However, in the middle of the workflow, there would be an actor that outputs an array with arbitrary length. I want to process each element of the array using another actor all in the same iteration, and it seems the easiest way to do that is by using the ArrayToSequence actor. However, the actor requires arrayLength parameter to be set prior to running the workflow. Is there a way to make the arrayLength parameter dynamic and automatically set to the length of the array received by the input port?
Regards,
Alvin
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Message: 2
Date: Wed, 14 Nov 2012 15:26:10 -0800
From: "Edward A. Lee" <eal at eecs.berkeley.edu<mailto:eal at eecs.berkeley.edu>>
To: Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>
Cc: "kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>"
<kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>>
Subject: Re: [kepler-users] ArrayToSequence Actor
Message-ID: <50A42892.5000507 at eecs.berkeley.edu<mailto:50A42892.5000507 at eecs.berkeley.edu>>
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You could use IterateOverArray.
Edward
On 11/14/12 3:23 PM, Alvin Sebastian wrote:
> Hi All,
>
> I am a new Kepler user who somehow stuck at how to do a specific thing
> in Kepler.
>
> I am using a SDF director to run a simple sequential workflow only once.
> However, in the middle of the workflow, there would be an actor that
> outputs an array with arbitrary length. I want to process each element
> of the array using another actor all in the same iteration, and it seems
> the easiest way to do that is by using the ArrayToSequence actor.
> However, the actor requires arrayLength parameter to be set prior to
> running the workflow. Is there a way to make the arrayLength parameter
> dynamic and automatically set to the length of the array received by the
> input port?
>
> Regards,
>
> Alvin
>
>
>
> _______________________________________________
> Kepler-users mailing list
> Kepler-users at kepler-project.org<mailto:Kepler-users at kepler-project.org>
> http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
>
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Message: 3
Date: Wed, 14 Nov 2012 15:32:00 -0800
From: Sean Riddle <swriddle at gmail.com<mailto:swriddle at gmail.com>>
To: Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>
Cc: "kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>"
<kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>>
Subject: Re: [kepler-users] ArrayToSequence Actor
Message-ID:
<CAAjdownfKV5X=OEvNnJvDZzZDRnyWT2NtntAjEeRpiN0-p5UYQ at mail.gmail.com<mailto:OEvNnJvDZzZDRnyWT2NtntAjEeRpiN0-p5UYQ at mail.gmail.com>>
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If the boolean parameter "enforceArrayLength" is set to false, the
arrayLength parameter will have no effect, and it will work dynamically as
you would expect. This does violate the contract implicit in SDF, though,
that each actor has a constant token production and consumption rate. If
the actor is only invoked once, though, I doubt that will be a problem.
- Sean
On Wed, Nov 14, 2012 at 3:23 PM, Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>wrote:
> Hi All,****
>
> ** **
>
> I am a new Kepler user who somehow stuck at how to do a specific thing in
> Kepler.****
>
> I am using a SDF director to run a simple sequential workflow only once.
> However, in the middle of the workflow, there would be an actor that
> outputs an array with arbitrary length. I want to process each element of
> the array using another actor all in the same iteration, and it seems the
> easiest way to do that is by using the ArrayToSequence actor. However, the
> actor requires arrayLength parameter to be set prior to running the
> workflow. Is there a way to make the arrayLength parameter dynamic and
> automatically set to the length of the array received by the input port? *
> ***
>
> ** **
>
> Regards,****
>
> ** **
>
> Alvin****
>
> _______________________________________________
> Kepler-users mailing list
> Kepler-users at kepler-project.org<mailto:Kepler-users at kepler-project.org>
> http://lists.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users
>
>
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Message: 4
Date: Thu, 15 Nov 2012 10:11:03 +1000
From: Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>
To: "kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>"
<kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>>
Subject: Re: [kepler-users] ArrayToSequence Actor
Message-ID:
<60495E34E2CF58448A44DE567C6FAF24492A29809A at QUTEXMBX03.qut.edu.au<mailto:60495E34E2CF58448A44DE567C6FAF24492A29809A at QUTEXMBX03.qut.edu.au>>
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Thanks for all the responses.
I have looked into IterateOverArray, but the documentation is not very clear and I have no idea at all of how to use it. It has no input nor output ports by default.
Setting "enforceArrayLength" to false while using SDF does not work at all. With DDF, it works but it also keeps iterating indefinitely. How do I create a workflow where an actor can consume any number of input token dynamically without keep repeating?
As a simple example using SDF director (iterations set to 1), I have a constant actor with value {1,2,3}. I connect the output port of that actor to the input port of ArrayToSequence, and then connect a Display actor to it. What I want is an output of:
1
2
3
whenever I click the run button once.
This would be very easy if I set the value of arrayLength to 3, but is there any other way to achieve the same result without having to know the length of the input array before running the workflow?
Alvin
From: Sean Riddle [mailto:swriddle at gmail.com<mailto:swriddle at gmail.com>]
Sent: Thursday, 15 November 2012 9:32 AM
To: Alvin Sebastian
Cc: kepler-users at kepler-project.org<mailto:kepler-users at kepler-project.org>
Subject: Re: [kepler-users] ArrayToSequence Actor
If the boolean parameter "enforceArrayLength" is set to false, the arrayLength parameter will have no effect, and it will work dynamically as you would expect. This does violate the contract implicit in SDF, though, that each actor has a constant token production and consumption rate. If the actor is only invoked once, though, I doubt that will be a problem.
- Sean
On Wed, Nov 14, 2012 at 3:23 PM, Alvin Sebastian <a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au><mailto:a.sebastian at qut.edu.au<mailto:a.sebastian at qut.edu.au>>> wrote:
Hi All,
I am a new Kepler user who somehow stuck at how to do a specific thing in Kepler.
I am using a SDF director to run a simple sequential workflow only once. However, in the middle of the workflow, there would be an actor that outputs an array with arbitrary length. I want to process each element of the array using another actor all in the same iteration, and it seems the easiest way to do that is by using the ArrayToSequence actor. However, the actor requires arrayLength parameter to be set prior to running the workflow. Is there a way to make the arrayLength parameter dynamic and automatically set to the length of the array received by the input port?
Regards,
Alvin
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End of Kepler-users Digest, Vol 90, Issue 10
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