edu.yale.cs.hadoopdb.benchmark
Class JoinTaskDB.Map

java.lang.Object
  org.apache.hadoop.mapred.MapReduceBase
      edu.yale.cs.hadoopdb.benchmark.JoinTaskDB.Map

All Implemented Interfaces:

java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,JoinTaskDB.JoinRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Enclosing class:

JoinTaskDB

public static class JoinTaskDB.Map
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,JoinTaskDB.JoinRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Field Summary

(package private) org.apache.hadoop.io.Text	outputKey
(package private) org.apache.hadoop.io.Text	outputValue

Constructor Summary

JoinTaskDB.Map()

Method Summary

void	map(org.apache.hadoop.io.LongWritable dummy, JoinTaskDB.JoinRecord record, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> output, org.apache.hadoop.mapred.Reporter reporter)

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

Field Detail

outputKey

org.apache.hadoop.io.Text outputKey

outputValue

org.apache.hadoop.io.Text outputValue

Constructor Detail

JoinTaskDB.Map

public JoinTaskDB.Map()

Method Detail

map

public void map(org.apache.hadoop.io.LongWritable dummy,
                JoinTaskDB.JoinRecord record,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.Text> output,
                org.apache.hadoop.mapred.Reporter reporter)
         throws java.io.IOException

Specified by:

map in interface org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,JoinTaskDB.JoinRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.Text>

Throws:

java.io.IOException