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

java.lang.Object
  org.apache.hadoop.mapred.Task.CombinerRunner<K,V>
      org.apache.hadoop.mapred.Task.NewCombinerRunner<K,V>

Enclosing class:

Task

@InterfaceAudience.Private
@InterfaceStability.Unstable
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 IOException,
                    InterruptedException,
                    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:

IOException

InterruptedException

ClassNotFoundException