com.bigdata.service.mapred.tasks
Class ReadOnlyMapTask

java.lang.Object
  com.bigdata.service.mapred.AbstractMapTask
      com.bigdata.service.mapred.AbstractFileInputMapTask
          com.bigdata.service.mapred.tasks.ReadOnlyMapTask

All Implemented Interfaces:

IMapTask, ITask, Serializable

public class ReadOnlyMapTask
extends AbstractFileInputMapTask

Reads the bytes and throws them away.

Version:

$Id: ReadOnlyMapTask.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bigdata.service.mapred.AbstractMapTask

hashFunction, nreduce, source, uuid

Fields inherited from interface com.bigdata.service.mapred.IMapTask

log

Constructor Summary

ReadOnlyMapTask(UUID uuid, Object source, Integer nreduce, IHashFunction hashFunction)

Method Summary

void	input(File file, InputStream is)

Methods inherited from class com.bigdata.service.mapred.AbstractFileInputMapTask

input

Methods inherited from class com.bigdata.service.mapred.AbstractMapTask

getDataOutputBuffer, getHistogram, getKeyBuilder, getSource, getTupleCount, getTuples, getUUID, output, output

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadOnlyMapTask

public ReadOnlyMapTask(UUID uuid,
                       Object source,
                       Integer nreduce,
                       IHashFunction hashFunction)

Method Detail

input

public void input(File file,
                  InputStream is)
           throws Exception

Specified by:

input in class AbstractFileInputMapTask

Throws:

Exception