weka.knowledgeflow

## Interface StepOutputListener

-     public interface StepOutputListener

  Inteface to something that listens to the output from a `Step`
  Version:
    $Revision: $
  Author:
    Mark Hall (mhall{[at]}pentaho{[dot]}com)

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `dataFromStep(Data data)` Process data produced by a knowledge flow step

- - ### Method Detail

    - #### dataFromStep

          boolean dataFromStep(Data data)
                        throws WekaException

      Process data produced by a knowledge flow step
      Parameters:
        `data` - the payload to process
      Returns:
        true if processing was successful
      Throws:
        `WekaException` - in the case of a catastrophic failure of the StepOutputListener