org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Class PigGenericMapReduce.MapWithPartitionIndex

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.apache.hadoop.io.Text,Tuple,PigNullableWritable,org.apache.hadoop.io.Writable>

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce.Map

org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapReduce.MapWithPartitionIndex

Enclosing class:

PigGenericMapReduce

public static class PigGenericMapReduce.MapWithPartitionIndex
extends PigGenericMapReduce.Map

Used by Skewed Join

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase

PigMapBase.IllustratorContext

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.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase

errorInMap, keyType, mp, stores, tf

Constructor Summary

Constructors

Constructor and Description
MapWithPartitionIndex()

Method Summary

Modifier and Type	Method and Description
void	collect(org.apache.hadoop.mapreduce.Mapper.Context oc, Tuple tuple)
protected void	runPipeline(PhysicalOperator leaf)

Methods inherited from class org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigMapBase

getIllustratorContext, inIllustrator

Methods inherited from class org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.PigGenericMapBase

cleanup, getKeyType, map, setKeyType, setMapPlan, setup

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

MapWithPartitionIndex

public MapWithPartitionIndex()

Method Detail

collect

public void collect(org.apache.hadoop.mapreduce.Mapper.Context oc,
                    Tuple tuple)
             throws InterruptedException,
                    IOException

Overrides:

collect in class PigGenericMapReduce.Map

Throws:

InterruptedException

IOException

runPipeline

protected void runPipeline(PhysicalOperator leaf)
                    throws IOException,
                           InterruptedException

Overrides:

runPipeline in class PigGenericMapBase

Throws:

IOException

InterruptedException