[kepler-users] Port parameters

[Barbara Lerner]

Thanks!  That solved my problem.

Barbara

On Oct 20, 2009, at 8:08 PM, Jianwu Wang wrote:

> Hi Barbara,
>
>   x and y could be Parameter, StringParameter or PortParameter. They  
> also do not need to be in top-level, which should be executed like  
> kepler -runwf workflow.xml -x 4 -y.z "foo" (z is a parameter in  
> composite actor named y). And Port Parameters are usually used in  
> composite actors, so that the composite actors will have input ports  
> defined by the port parameters. I think Parameter or StringParameter  
> is better choice for your requirements.
>
>   To set values of Parameter, StringParameter or PortParameter, you  
> need to double-click them, not right-click.
>
>   I've tested a sample workflow with Kepler 1.0.0 on a Mac. It works  
> using with Parameter, StringParameter and PortParameter.  I also  
> used $echoString in String Constant actor with a echoString defined  
> outside as a port parameter, which works for me.
>
>   Would you please test it again by changing it to Parameter or  
> StringParameter? Or I can help you to test if you send me your  
> workflow.
>
>
> Best wishes
>
> Sincerely yours
>
> Jianwu Wang
> jianwu at sdsc.edu
> http://users.sdsc.edu/~jianwu/
>
> Scientific Workflow Automation Technologies (SWAT) Laboratory
> San Diego Supercomputer Center University of California, San Diego
> San Diego, CA, U.S.A.
>
>
> Barbara Lerner wrote:
>> Hi,
>>
>> I would like to be able to run a Kepler workflow from a command  
>> line and pass in parameter values on the command line.  I have  
>> found in the user's manual that I can say:
>>
>> kepler -runwf workflow.xml -x 4 -y "foo"
>>
>> to set parameters x and y.
>>
>> Am I correct in believing that x and y would be port parameters in  
>> my top-level workflow in the file workflow.xml?
>>
>> When I try to create port parameters, it behaves differently than  
>> the manual indicates.  I can find the PortParameter component and  
>> place it on my workflow.  When I right-click on it, I can use  
>> Customize Name to change its name.  The window that pops up looks  
>> different than the one in the manual, showing an additional field  
>> labeled "Display name".  This seems ok, but the Configure Attribute  
>> seems quite different than what the manual describes.  The manual  
>> shows a single field labeled by the name set with the Customize  
>> Name command.  Instead, I see 3 fields:  class, semanticType00 and  
>> semanticType11.  There does not appear to be a place to set a value.
>>
>> It seems that might be ok since I want to pass the value in on the  
>> command line, but if I try to reference my parameter as the value  
>> parameter of a StringConstant, saying $echoString (assuming that I  
>> named it echoString earlier), I get the message:
>>
>> Error evaluating expression: $echoString
>>  in .Echo.String Constant.value
>> Because:
>> The ID echoString is undefined.
>>
>> Please enter a new value:
>>
>> So, I have several questions:
>> - Can I use port parameters to get parameter values from the  
>> command line?
>> - How do I do that?
>>
>> I am using Kepler 1.0.0 on a Mac. The manual is dated May 12, 2008.
>>
>> Thanks,
>>  Barbara
>>
>> ------------------
>>
>> Barbara Lerner                                                   
>> "Power to the peaceful"
>> Associate  
>> Professor                                                  --  
>> Michael Franti
>> Computer Science Dept.
>> Mt. Holyoke College
>>
>>
>>
>>
>> _______________________________________________
>> Kepler-users mailing list
>> Kepler-users at kepler-project.org
>> http://mercury.nceas.ucsb.edu/kepler/mailman/listinfo/kepler-users

------------------

Barbara Lerner                                                  "Power  
to the peaceful"
Associate Professor                                                   
-- Michael Franti
Computer Science Dept.
Mt. Holyoke College