org.apache.hadoop.hbase.mapreduce

Class MultiTableInputFormatTestBase.ScanReducer

java.lang.Object

org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.NullWritable>

org.apache.hadoop.hbase.mapreduce.MultiTableInputFormatTestBase.ScanReducer

Direct Known Subclasses:

TestMultiTableSnapshotInputFormat.Reducer

Enclosing class:

MultiTableInputFormatTestBase

public static class MultiTableInputFormatTestBase.ScanReducer
extends org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.NullWritable>

Checks the last and first keys seen against the scanner boundaries.

Nested Class Summary

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

org.apache.hadoop.mapreduce.Reducer.Context

Field Summary

Fields

Modifier and Type	Field and Description
private String	first
private String	last

Constructor Summary

Constructors

Constructor and Description
ScanReducer()

Method Summary

Modifier and Type	Method and Description
protected void	cleanup(org.apache.hadoop.conf.Configuration c)
protected void	cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
protected void	makeAssertions(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, Iterable<org.apache.hadoop.hbase.io.ImmutableBytesWritable> values)
protected void	reduce(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, Iterable<org.apache.hadoop.hbase.io.ImmutableBytesWritable> values, org.apache.hadoop.mapreduce.Reducer.Context context)

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

run, setup

Methods inherited from class java.lang.Object

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

Field Detail

first

private String first

last

private String last

Constructor Detail

ScanReducer

public ScanReducer()

Method Detail

reduce

protected void reduce(org.apache.hadoop.hbase.io.ImmutableBytesWritable key,
                      Iterable<org.apache.hadoop.hbase.io.ImmutableBytesWritable> values,
                      org.apache.hadoop.mapreduce.Reducer.Context context)
               throws IOException,
                      InterruptedException

Overrides:

reduce in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException

makeAssertions

protected void makeAssertions(org.apache.hadoop.hbase.io.ImmutableBytesWritable key,
                              Iterable<org.apache.hadoop.hbase.io.ImmutableBytesWritable> values)

cleanup

protected void cleanup(org.apache.hadoop.mapreduce.Reducer.Context context)
                throws IOException,
                       InterruptedException

Overrides:

cleanup in class org.apache.hadoop.mapreduce.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.io.NullWritable,org.apache.hadoop.io.NullWritable>

Throws:

IOException

InterruptedException

cleanup

protected void cleanup(org.apache.hadoop.conf.Configuration c)