org.apache.hadoop.hbase.mapred

Class IdentityTableReduce

java.lang.Object

org.apache.hadoop.mapred.MapReduceBase

org.apache.hadoop.hbase.mapred.IdentityTableReduce

All Implemented Interfaces:

Closeable, AutoCloseable, TableReduce<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

@InterfaceAudience.Public
public class IdentityTableReduce
extends org.apache.hadoop.mapred.MapReduceBase
implements TableReduce<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Write to table each key, record pair

Constructor Summary

Constructors

Constructor and Description
IdentityTableReduce()

Method Summary

Modifier and Type	Method and Description
void	reduce(org.apache.hadoop.hbase.io.ImmutableBytesWritable key, Iterator<org.apache.hadoop.hbase.client.Put> values, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put> output, org.apache.hadoop.mapred.Reporter reporter) No aggregation, output pairs of (key, record)

Methods inherited from class org.apache.hadoop.mapred.MapReduceBase

close, configure

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.mapred.JobConfigurable

configure

Methods inherited from interface java.io.Closeable

close

Constructor Detail

IdentityTableReduce

public IdentityTableReduce()

Method Detail

reduce

public void reduce(org.apache.hadoop.hbase.io.ImmutableBytesWritable key,
                   Iterator<org.apache.hadoop.hbase.client.Put> values,
                   org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put> output,
                   org.apache.hadoop.mapred.Reporter reporter)
            throws IOException

No aggregation, output pairs of (key, record)

Specified by:

reduce in interface org.apache.hadoop.mapred.Reducer<org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put,org.apache.hadoop.hbase.io.ImmutableBytesWritable,org.apache.hadoop.hbase.client.Put>

Parameters:

key -

values -

output -

reporter -

Throws:

IOException