Activity -frequencyDistributor

Activity Type: Transformation

Description

Distributes the sequence of input numeric values over the spaces emerging from the sequence of the parameter values.

Example

<frequencyDistributor name="distributor">
  <inputValues from="dataStoreOutput"/>
  <pointsValues>1,4,7,10,13</pointsValues>
  <distributionOutput name="distributionOutput"/>
</frequencyDistributor>

Specification

Element frequencyDistributor:

• Attribute name - unique name for the activity within the scope of a request.
• Element inputValues (required) - define the sequence of numeric values to be distributed.
• Attribute from (optional) - name of the output from another activity which provides the value of this parameter.
• Element pointsValues  - the sequence of numeric values that define the spaces over which the input values will be distributed.
• Element distributionOutput (required) - output stream which produces the distribution of values across the spaces.
  • Attribute name - name of this output stream.

Input and Output Types

• Input: inputValues- java.lang.String in a CSV format representing the sequence of numeric values.
• Output: distributionOuput - java.lang.String

Data Resource Accessor

This activity can operate with any data resource accessor.

XML Schema

OGSA-DAI/schema/ogsadai/xsd/activities/frequency_distributor.xsd

Class

uk.org.ogsadai.activity.transform.FrequencyDistributorActivity

Client Toolkit Class

uk.org.ogsadai.client.toolkit.activity.transform.FrequencyDistributor