Callback (PEGASUS)

All Known Implementing Classes:

ClustererCallback, WriterCallback
```
public interface Callback
```
This interface defines the callback calls from the partitioners. The partitioners call out to the appropriate callback methods as and when they determine that a partition has been constructed.

Version:

$Revision$

Author:

Karan Vahi

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`cbDone()`	Callback for the partitioner to signal that it is done with the processing.
`void`	`cbParents(java.lang.String child, java.util.List parents)`	Callback for when a partitioner determines the relations between partitions that it has previously constructed.
`void`	`cbPartition(Partition partition)`	Callback for when a partitioner determines that partition has been constructed.

- Method Detail
  - cbPartition
```
void cbPartition(Partition partition)
```
    Callback for when a partitioner determines that partition has been constructed.
    
    Parameters:
    
    partition - the constructed partition.
  - cbParents
```
void cbParents(java.lang.String child,
               java.util.List parents)
```
    Callback for when a partitioner determines the relations between partitions that it has previously constructed.
    
    Parameters:
    
    child - the id of a partition.
    
    parents - the list of String objects that contain the id's of the parents of the partition.
  - cbDone
```
void cbDone()
```
    Callback for the partitioner to signal that it is done with the processing.