Workflow Entry: Demonstration of configurable iteration

Created at: 05/03/08 @ 14:10:52 Last updated: 25/03/08 @ 14:40:49

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Version created on: 05/03/08 @ 14:10:51 by: Alan Williams | Revision comments Expand

Last edited on: 25/03/08 @ 14:40:27 by: Alan Williams

Title: Demonstration of configurable iteration

Type: Taverna 1

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Demonstration_of_configurable_iteration_12320_1

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Description

This workflow shows the use of the iteration strategy editor to ensure that only relevant combinations of inputs are used during an implicit iteration.

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Option 1:

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http://www.myexperiment.org/workflows/164/download?version=1
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Workflow Components

Inputs (0)

Processors (8)

Name	Type	Description
Colours	stringconstant	Contains the list of colours to be used later in the workflow
ShapeAnimals	local	This concatenation doesn't have an explicit iteration strategy so will use the default; this means that the process will be invoked over all possible combinations of its inputs. For an input set of three items in 'string2' and two in 'string1' this will therefore iterate six times and produce an output list of length six.
ColourAnimals	local	Create a description of a coloured animal. In this case we're using an explicit iteration strategy declaration to state that the inputs should be treated as linked; rather than iterating over all combinations of 'string1' and 'string2' we combine the nth elements of each one. This of course only works if the iterators have the same size.
ShapesList	local	Splits the shapes string value into a list, as no regex is supplied it uses the default ','
AnimalsList	local	Splits the animals string value into a list, as no regex is supplied it uses the default ','
ColoursList	local	Splits the colours string value into a list, as no regex is supplied it uses the default ','
Shapes	stringconstant	Contains a list of shapes to be used later in the workflow
Animals	stringconstant	Contains a list of animals to be used later in the workflow

Beanshells (0)

Outputs (1)

Name	Description
Output

Links (8)

Sink	Source
ShapesList:string	Shapes:value
AnimalsList:string	Animals:value
ColoursList:string	Colours:value
ColourAnimals:string1	ColoursList:split
ColourAnimals:string2	AnimalsList:split
ShapeAnimals:string2	ColourAnimals:output
ShapeAnimals:string1	ShapesList:split
Output	ShapeAnimals:output