org.apache.hadoop.hbase.mob.mapreduce

Class SweepMapper

java.lang.Object

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

org.apache.hadoop.hbase.mapreduce.TableMapper<org.apache.hadoop.io.Text,KeyValue>

org.apache.hadoop.hbase.mob.mapreduce.SweepMapper

@InterfaceAudience.Private
public class SweepMapper
extends TableMapper<org.apache.hadoop.io.Text,KeyValue>

The mapper of a sweep job. Takes the rows from the table and their results and map to where mobValue is the actual cell in HBase.

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Constructor Summary

Constructors

Constructor and Description
SweepMapper()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
void	map(ImmutableBytesWritable r, Result columns, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

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

run

Methods inherited from class java.lang.Object

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

Constructor Detail

SweepMapper

public SweepMapper()

Method Detail

setup

protected void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
              throws IOException,
                     InterruptedException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,org.apache.hadoop.io.Text,KeyValue>

Throws:

IOException

InterruptedException

cleanup

protected void cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
                throws IOException,
                       InterruptedException

Overrides:

cleanup in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,org.apache.hadoop.io.Text,KeyValue>

Throws:

IOException

InterruptedException

map

public void map(ImmutableBytesWritable r,
       Result columns,
       org.apache.hadoop.mapreduce.Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<ImmutableBytesWritable,Result,org.apache.hadoop.io.Text,KeyValue>

Throws:

IOException

InterruptedException