com.mapr.db.mapreduce.tools.impl

Class RangeChecksum.RangeCheckSumReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable>

com.mapr.db.mapreduce.tools.impl.RangeChecksum.RangeCheckSumReducer

Enclosing class:

RangeChecksum

public static class RangeChecksum.RangeCheckSumReducer
extends org.apache.hadoop.mapreduce.Reducer<com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable>

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Constructor Summary

Constructors

Constructor and Description
RangeChecksum.RangeCheckSumReducer()

Method Summary

Methods

Modifier and Type	Method and Description
void	reduce(com.mapr.db.mapreduce.impl.ByteBufWritableComparable key, Iterable<org.apache.hadoop.io.LongWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)

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

cleanup, run, setup

Methods inherited from class java.lang.Object

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

Constructor Detail

RangeChecksum.RangeCheckSumReducer

public RangeChecksum.RangeCheckSumReducer()

Method Detail

reduce

public void reduce(com.mapr.db.mapreduce.impl.ByteBufWritableComparable key,
          Iterable<org.apache.hadoop.io.LongWritable> values,
          org.apache.hadoop.mapreduce.Reducer.Context context)
            throws IOException,
                   InterruptedException

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable,com.mapr.db.mapreduce.impl.ByteBufWritableComparable,org.apache.hadoop.io.LongWritable>

Throws:

IOException

InterruptedException