org.apache.kylin.storage.hbase.steps

Class CubeHFileMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT>

org.apache.kylin.engine.mr.KylinMapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue>

org.apache.kylin.storage.hbase.steps.CubeHFileMapper

public class CubeHFileMapper
extends KylinMapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue>

Author:

George Song (ysong1)

Nested Class Summary

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

org.apache.hadoop.mapreduce.Mapper.Context

Field Summary

Fields inherited from class org.apache.kylin.engine.mr.KylinMapper

mapCounter

Constructor Summary

Constructors

Constructor and Description
CubeHFileMapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	doMap(org.apache.hadoop.io.Text key, org.apache.hadoop.io.Text value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class org.apache.kylin.engine.mr.KylinMapper

bindCurrentConfiguration, cleanup, doCleanup, map

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

CubeHFileMapper

public CubeHFileMapper()

Method Detail

setup

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

Overrides:

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

Throws:

IOException

doMap

public void doMap(org.apache.hadoop.io.Text key,
         org.apache.hadoop.io.Text value,
         org.apache.hadoop.mapreduce.Mapper.Context context)
           throws IOException,
                  InterruptedException

Overrides:

doMap in class KylinMapper<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.KeyValue>

Throws:

IOException

InterruptedException