org.apache.hadoop.mapred
Class MapReduceBase

java.lang.Object
  extended by org.apache.hadoop.mapred.MapReduceBase
All Implemented Interfaces:
Closeable, JobConfigurable
Direct Known Subclasses:
IdentityMapper, IdentityReducer, InverseMapper, LongSumReducer, RegexMapper, TokenCountMapper, WordCount.MapClass, WordCount.Reduce

public class MapReduceBase
extends Object
implements Closeable, JobConfigurable

A class to implement the trivial close and configure methods.

Author:
Owen O'Malley

Constructor Summary
MapReduceBase()
           
 
Method Summary
 void close()
          Called after the last call to any other method on this object to free and/or flush resources.
 void configure(JobConf job)
          Initializes a new instance from a JobConf.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MapReduceBase

public MapReduceBase()
Method Detail

close

public void close()
Description copied from interface: Closeable
Called after the last call to any other method on this object to free and/or flush resources. Typical implementations do nothing.

Specified by:
close in interface Closeable

configure

public void configure(JobConf job)
Description copied from interface: JobConfigurable
Initializes a new instance from a JobConf.

Specified by:
configure in interface JobConfigurable
Parameters:
job - the configuration


Copyright © 2006 The Apache Software Foundation