org.apache.hadoop.hbase.mapreduce

Class WALPlayer.WALCellMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Cell>

org.apache.hadoop.hbase.mapreduce.WALPlayer.WALCellMapper

Enclosing class:

WALPlayer

static class WALPlayer.WALCellMapper
extends org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Cell>

A mapper that just writes out Cells. This one can be used together with CellSortReducer

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

org.apache.hadoop.mapreduce.Mapper.Context

Field Summary

Fields

Modifier and Type	Field and Description
private byte[]	table

Constructor Summary

Constructors

Constructor and Description
WALCellMapper()

Method Summary

Modifier and Type	Method and Description
void	map(WALKey key, WALEdit value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.hadoop.mapreduce.Mapper

cleanup, run

Methods inherited from class java.lang.Object

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

Field Detail

table

private byte[] table

Constructor Detail

WALCellMapper

WALCellMapper()

Method Detail

map

public void map(WALKey key,
                WALEdit value,
                org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Cell>

Throws:

IOException

setup

public void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           throws IOException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<WALKey,WALEdit,ImmutableBytesWritable,Cell>

Throws:

IOException