org.apache.hadoop.hbase.mapred

Class RowCounter.RowCounterMapper

java.lang.Object

org.apache.hadoop.hbase.mapred.RowCounter.RowCounterMapper

All Implemented Interfaces:

Closeable, AutoCloseable, TableMap<ImmutableBytesWritable,Result>, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Result>

Enclosing class:

RowCounter

static class RowCounter.RowCounterMapper
extends Object
implements TableMap<ImmutableBytesWritable,Result>

Mapper that runs the count.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	RowCounter.RowCounterMapper.Counters

Constructor Summary

Constructors

Constructor and Description
RowCounterMapper()

Method Summary

Modifier and Type	Method and Description
void	close()
void	configure(org.apache.hadoop.mapred.JobConf jc)
void	map(ImmutableBytesWritable row, Result values, org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output, org.apache.hadoop.mapred.Reporter reporter)

Methods inherited from class java.lang.Object

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

Constructor Detail

RowCounterMapper

RowCounterMapper()

Method Detail

map

public void map(ImmutableBytesWritable row,
                Result values,
                org.apache.hadoop.mapred.OutputCollector<ImmutableBytesWritable,Result> output,
                org.apache.hadoop.mapred.Reporter reporter)
         throws IOException

Specified by:

map in interface org.apache.hadoop.mapred.Mapper<ImmutableBytesWritable,Result,ImmutableBytesWritable,Result>

Throws:

IOException

configure

public void configure(org.apache.hadoop.mapred.JobConf jc)

Specified by:

configure in interface org.apache.hadoop.mapred.JobConfigurable

close

public void close()
           throws IOException

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Throws:

IOException