org.apache.hadoop.mapreduce.task.reduce
Class InMemoryWriter<K,V>

java.lang.Object
  org.apache.hadoop.mapred.IFile.Writer<K,V>
      org.apache.hadoop.mapreduce.task.reduce.InMemoryWriter<K,V>

@InterfaceAudience.Private
@InterfaceStability.Unstable
public class InMemoryWriter<K,V>
extends IFile.Writer<K,V>

Constructor Summary

InMemoryWriter(org.apache.hadoop.io.BoundedByteArrayOutputStream arrayStream)

Method Summary

void	append(org.apache.hadoop.io.DataInputBuffer key, org.apache.hadoop.io.DataInputBuffer value)
void	append(K key, V value)
void	close()

Methods inherited from class org.apache.hadoop.mapred.IFile.Writer

getCompressedLength, getOutputStream, getRawLength, updateCountersForExternalAppend

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

InMemoryWriter

public InMemoryWriter(org.apache.hadoop.io.BoundedByteArrayOutputStream arrayStream)

Method Detail

append

public void append(K key,
                   V value)
            throws IOException

Overrides:

append in class IFile.Writer<K,V>

Throws:

IOException

append

public void append(org.apache.hadoop.io.DataInputBuffer key,
                   org.apache.hadoop.io.DataInputBuffer value)
            throws IOException

Overrides:

append in class IFile.Writer<K,V>

Throws:

IOException

close

public void close()
           throws IOException

Overrides:

close in class IFile.Writer<K,V>

Throws:

IOException