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 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