edu.umd.cloud9.mapreduce
Class NullMapper

java.lang.Object
  org.apache.hadoop.mapreduce.Mapper<NullWritable,NullWritable,NullWritable,NullWritable>
      edu.umd.cloud9.mapreduce.NullMapper

public abstract class NullMapper
extends Mapper<NullWritable,NullWritable,NullWritable,NullWritable>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.mapreduce.Mapper

Mapper.Context

Constructor Summary

NullMapper()

Method Summary

void	map(NullWritable key, NullWritable value, Mapper.Context context)
abstract void	run(Mapper.Context context)

Methods inherited from class java.lang.Object

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

Constructor Detail

NullMapper

public NullMapper()

Method Detail

map

public void map(NullWritable key,
                NullWritable value,
                Mapper.Context context)
         throws IOException,
                InterruptedException

Overrides:

map in class Mapper<NullWritable,NullWritable,NullWritable,NullWritable>

Throws:

IOException

InterruptedException

run

public abstract void run(Mapper.Context context)
                  throws IOException,
                         InterruptedException

Overrides:

run in class Mapper<NullWritable,NullWritable,NullWritable,NullWritable>

Throws:

IOException

InterruptedException