[kepler-users] How to specify arrayLength parameter in Array-to-Sequence Actor automatically

[Christopher Brooks]

Hi Chen,
The SequenceToArray actor has a length PortParameter.
ArrayToSequence does not have a length PortParameter, the length is part 
of the type of the input port.
However, in Ptolemy, ArrayToSequence has an enforceArrayLength 
parameter. 
http://sisyphus.eecs.berkeley.edu:8079/hudson/job/ptII/javadoc/ptolemy/domains/sdf/lib/ArrayToSequence.html 
says:

> This actor reads an array at the input and writes the array elements 
> as a sequence to the output. The parameter /arrayLength/ can be used 
> to specify the length of arrays that the actor will accept. If the 
> /enforceArrayLength/ parameter true, then if an input array does not 
> match /arrayLength/, the fire() method will throw an exception. This 
> feature is important in domains, such as SDF, that do static 
> scheduling based on production and consumption rates. For other 
> domains, such as DE and PN, the /enforceArrayLength/ parameter can be 
> set to false, in which case the /arrayLength/ parameter will be ignored.

_Christopher

On 6/20/13 7:39 PM, Chen Zheng wrote:
> Hi there,
>
> Now I am using the array-to-sequence actor to process an array 
> contains several string items. How can I specify the arrayLength 
> argument in this actor automatically?
>
> I tried to add a new input port and pass the length from array-length 
> actor, but this array-to-sequence actor does not work in this way.
>
> Any suggestion?
>
> Kind regards
> Chen
>
>
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-- 
Christopher Brooks, PMP                       University of California
Academic Program Manager & Software Engineer  US Mail: 337 Cory Hall
CHESS/iCyPhy/Ptolemy/TerraSwarm               Berkeley, CA 94720-1774
cxh at eecs.berkeley.edu, 707.332.0670           (Office: 545Q Cory)

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