Package org.apache.hadoop.hbase.mapreduce

Class WALPlayer.WALKeyValueMapper

java.lang.Object

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

org.apache.hadoop.hbase.mapreduce.WALPlayer.WALKeyValueMapper

Enclosing class:

WALPlayer

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

A mapper that just writes out KeyValues. 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	Description
private boolean	multiTableSupport
private Set<String>	tableSet

Constructor Summary

Constructors

Constructor	Description
WALKeyValueMapper()

Method Summary

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

tableSet

private Set<String> tableSet

multiTableSupport

private boolean multiTableSupport

Constructor Details

WALKeyValueMapper

WALKeyValueMapper()

Method Details

map

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

Overrides:

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

Throws:

IOException