com.mapr.db.mapreduce.tools

Class DiffTables.DiffTableMapper

java.lang.Object

org.apache.hadoop.mapreduce.Mapper<org.ojai.Value,com.mapr.db.rowcol.DBDocumentImpl,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable>

com.mapr.db.mapreduce.tools.DiffTables.DiffTableMapper

All Implemented Interfaces:

FailureTracker

Enclosing class:

DiffTables

public static class DiffTables.DiffTableMapper
extends org.apache.hadoop.mapreduce.Mapper<org.ojai.Value,com.mapr.db.rowcol.DBDocumentImpl,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable>
implements FailureTracker

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
DiffTableMapper()

Method Summary

Modifier and Type	Method and Description
protected void	cleanup(org.apache.hadoop.mapreduce.Mapper.Context context)
void	map(org.ojai.Value key, com.mapr.db.rowcol.DBDocumentImpl value, org.apache.hadoop.mapreduce.Mapper.Context context)
void	notifyMismatch()
void	setup(org.apache.hadoop.mapreduce.Mapper.Context context)
boolean	shouldExit()

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

DiffTableMapper

public DiffTableMapper()

Method Detail

setup

public void setup(org.apache.hadoop.mapreduce.Mapper.Context context)
           throws java.io.IOException

Overrides:

setup in class org.apache.hadoop.mapreduce.Mapper<org.ojai.Value,com.mapr.db.rowcol.DBDocumentImpl,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable>

Throws:

java.io.IOException

map

public void map(org.ojai.Value key,
                com.mapr.db.rowcol.DBDocumentImpl value,
                org.apache.hadoop.mapreduce.Mapper.Context context)
         throws java.io.IOException,
                java.lang.InterruptedException

Overrides:

map in class org.apache.hadoop.mapreduce.Mapper<org.ojai.Value,com.mapr.db.rowcol.DBDocumentImpl,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable>

Throws:

java.io.IOException

java.lang.InterruptedException

notifyMismatch

public void notifyMismatch()

Specified by:

notifyMismatch in interface FailureTracker

shouldExit

public boolean shouldExit()

Specified by:

shouldExit in interface FailureTracker

cleanup

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

Overrides:

cleanup in class org.apache.hadoop.mapreduce.Mapper<org.ojai.Value,com.mapr.db.rowcol.DBDocumentImpl,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable>

Throws:

java.io.IOException

java.lang.InterruptedException