Package org.apache.hadoop.hbase.mapreduce

Class Import.Importer

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,KEYOUT,VALUEOUT>

org.apache.hadoop.hbase.mapreduce.TableMapper<ImmutableBytesWritable,Mutation>

org.apache.hadoop.hbase.mapreduce.Import.Importer

Enclosing class:

Import

public static class Import.Importer
extends TableMapper<ImmutableBytesWritable,Mutation>

Write table content out to files in hdfs.

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 Map<byte[],byte[]>	cfRenameMap
private List<UUID>	clusterIds
private Durability	durability
private Filter	filter

Constructor Summary

Constructors

Constructor	Description
Importer()

Method Summary

Modifier and Type	Method	Description
protected void	addPutToKv(Put put, Cell kv)
void	map(ImmutableBytesWritable row, Result value, org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	processKV(ImmutableBytesWritable key, Result result, org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context, Put put, Delete delete)
void	setup(org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context)
private void	writeResult(ImmutableBytesWritable key, Result result, org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.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

cfRenameMap

private Map<byte[],byte[]> cfRenameMap

clusterIds

private List<UUID> clusterIds

filter

private Filter filter

durability

private Durability durability

Constructor Details

Importer

public Importer()

Method Details

map

public void map(ImmutableBytesWritable row,
 Result value,
 org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>

Parameters:

row - The current table row key.

value - The columns.

context - The current context.

Throws:

IOException - When something is broken with the data.

writeResult

private void writeResult(ImmutableBytesWritable key,
 Result result,
 org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context)
                  throws IOException,
InterruptedException

Throws:

IOException

InterruptedException

processKV

protected void processKV(ImmutableBytesWritable key,
 Result result,
 org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context,
 Put put,
 Delete delete)
                  throws IOException,
InterruptedException

Throws:

IOException

InterruptedException

addPutToKv

protected void addPutToKv(Put put,
 Cell kv)
                   throws IOException

Throws:

IOException

setup

public void setup(org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>.org.apache.hadoop.mapreduce.Mapper.Context context)

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Mutation>