SummaryStatsCollectorAdditionalColumns

All Superinterfaces:

SummaryStatsCollector
```
public interface SummaryStatsCollectorAdditionalColumns
extends SummaryStatsCollector
```
The SummaryStatsPostProcessor uses instances of this interface to serve additional columns. For example, the ErrorBars uses this to send mean and stdz as part of the response.

Author:

mshankar

- Method Summary
  
  Modifier and Type Method Description
  
  HashMap<String,String> getAdditionalStats()
  Get any additional statistics as a map of string → string
  - Methods inherited from interface org.epics.archiverappliance.retrieval.postprocessors.SummaryStatsCollector
    addEvent, getStat, haveEventsBeenAdded, setBinParams

- Method Detail
  - getAdditionalStats
```
HashMap<String,String> getAdditionalStats()
```
    Get any additional statistics as a map of string → string
    
    Returns:
    
    HashMap additional Statistics