SegmentChangeFetcher (Java Client 3.3.2 API)

All Known Implementing Classes:

HttpSegmentChangeFetcher
```
public interface SegmentChangeFetcher
```
Fetches changes in the segment since a reference point.

Author:

adil

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  SegmentChange fetch(String segmentName, long changesSinceThisChangeNumber)

- Method Detail
  - fetch
```
SegmentChange fetch(String segmentName,
                    long changesSinceThisChangeNumber)
```
    If the segment does not exist, then return the an empty segment change with the latest change number set to a value less than 0.
    
    If no changes have happened since the change number requested, then return an empty segment change with the latest change number equal to the requested change number.
    
    Parameters:
    
    segmentName - the name of the segment to fetch.
    
    changesSinceThisChangeNumber - a value less than zero implies that the client is requesting information on this segment for the first time.
    
    Returns:
    
    SegmentChange
    
    Throws:
    
    RuntimeException - if there was a problem fetching segment changes