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

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

All Implemented Interfaces:

java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,SelectionTaskDB.RankingsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

Enclosing class:

SelectionTaskDB

static class SelectionTaskDB.Map
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,SelectionTaskDB.RankingsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

Field Summary

protected org.apache.hadoop.io.Text	outputKey
protected org.apache.hadoop.io.IntWritable	outputValue

Constructor Summary

SelectionTaskDB.Map()

Method Summary

void	map(org.apache.hadoop.io.LongWritable key, SelectionTaskDB.RankingsRecord value, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable> 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

protected org.apache.hadoop.io.Text outputKey

outputValue

protected org.apache.hadoop.io.IntWritable outputValue

Constructor Detail

SelectionTaskDB.Map

SelectionTaskDB.Map()

Method Detail

map

public void map(org.apache.hadoop.io.LongWritable key,
                SelectionTaskDB.RankingsRecord value,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable> 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,SelectionTaskDB.RankingsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.IntWritable>

Throws:

java.io.IOException