org.apache.hadoop.mapred
Class Task.NewCombinerRunner<K,V>

java.lang.Object
  extended by org.apache.hadoop.mapred.Task.CombinerRunner<K,V>
      extended by org.apache.hadoop.mapred.Task.NewCombinerRunner<K,V>
Enclosing class:
Task

protected static class Task.NewCombinerRunner<K,V>
extends Task.CombinerRunner<K,V>


Field Summary
 
Fields inherited from class org.apache.hadoop.mapred.Task.CombinerRunner
inputCounter, job, reporter
 
Method Summary
 void combine(RawKeyValueIterator iterator, OutputCollector<K,V> collector)
          Run the combiner over a set of inputs.
 
Methods inherited from class org.apache.hadoop.mapred.Task.CombinerRunner
create
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Method Detail

combine

public void combine(RawKeyValueIterator iterator,
                    OutputCollector<K,V> collector)
             throws java.io.IOException,
                    java.lang.InterruptedException,
                    java.lang.ClassNotFoundException
Description copied from class: Task.CombinerRunner
Run the combiner over a set of inputs.

Specified by:
combine in class Task.CombinerRunner<K,V>
Parameters:
iterator - the key/value pairs to use as input
collector - the output collector
Throws:
java.io.IOException
java.lang.InterruptedException
java.lang.ClassNotFoundException


Copyright © 2009 The Apache Software Foundation