public abstract class ReductionDataWriter<E> extends Object
DataOutput stream.| Modifier and Type | Field and Description | 
|---|---|
protected E | 
extractor  | 
protected DataOutput | 
output  | 
| Constructor and Description | 
|---|
ReductionDataWriter(DataOutput output,
                   E extractor)  | 
| Modifier and Type | Method and Description | 
|---|---|
abstract void | 
write()
Write a piece of data, retrieved from the extractor, to the output stream. 
 | 
protected final DataOutput output
protected final E extractor
public ReductionDataWriter(DataOutput output, E extractor)
public abstract void write()
                    throws IOException
IOException - if an exception occurs while writing to the output streamCopyright © 2000-2018 Apache Software Foundation. All Rights Reserved.