io.druid.indexer

Class DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<Object,Object,KEYOUT,VALUEOUT>

io.druid.indexer.HadoopDruidIndexerMapper<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.Text>

io.druid.indexer.DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper

Enclosing class:

DeterminePartitionsJob

public static class DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper
extends HadoopDruidIndexerMapper<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.Text>

This DimSelection mapper runs on raw input data that we assume has already been grouped.

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 io.druid.indexer.HadoopDruidIndexerMapper

config, granularitySpec

Constructor Summary

Constructors

Constructor and Description
DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper()

Method Summary

Methods

Modifier and Type	Method and Description
protected void	innerMap(io.druid.data.input.InputRow inputRow, Object value, org.apache.hadoop.mapreduce.Mapper.Context context)
protected void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)

Methods inherited from class io.druid.indexer.HadoopDruidIndexerMapper

getConfig, getParser, map, parseInputRow

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

Constructor Detail

DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper

public DeterminePartitionsJob.DeterminePartitionsDimSelectionAssumeGroupedMapper()

Method Detail

setup

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

Overrides:

setup in class HadoopDruidIndexerMapper<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException

innerMap

protected void innerMap(io.druid.data.input.InputRow inputRow,
            Object value,
            org.apache.hadoop.mapreduce.Mapper.Context context)
                 throws IOException,
                        InterruptedException

Specified by:

innerMap in class HadoopDruidIndexerMapper<org.apache.hadoop.io.BytesWritable,org.apache.hadoop.io.Text>

Throws:

IOException

InterruptedException