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

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

All Implemented Interfaces:

java.io.Closeable, org.apache.hadoop.mapred.JobConfigurable, org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,AggTaskSmallDB.AggUserVisitsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.DoubleWritable>

Enclosing class:

AggTaskSmallDB

static class AggTaskSmallDB.Map
extends org.apache.hadoop.mapred.MapReduceBase
implements org.apache.hadoop.mapred.Mapper<org.apache.hadoop.io.LongWritable,AggTaskSmallDB.AggUserVisitsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.DoubleWritable>

Field Summary

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

Constructor Summary

AggTaskSmallDB.Map()

Method Summary

void	map(org.apache.hadoop.io.LongWritable key, AggTaskSmallDB.AggUserVisitsRecord value, org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.DoubleWritable> 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.DoubleWritable outputValue

Constructor Detail

AggTaskSmallDB.Map

AggTaskSmallDB.Map()

Method Detail

map

public void map(org.apache.hadoop.io.LongWritable key,
                AggTaskSmallDB.AggUserVisitsRecord value,
                org.apache.hadoop.mapred.OutputCollector<org.apache.hadoop.io.Text,org.apache.hadoop.io.DoubleWritable> 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,AggTaskSmallDB.AggUserVisitsRecord,org.apache.hadoop.io.Text,org.apache.hadoop.io.DoubleWritable>

Throws:

java.io.IOException