org.apache.nutch.mapReduce
Interface MapOutputProtocol

All Known Implementing Classes:

TaskTracker

public interface MapOutputProtocol

Protocol that a reduce task uses to retrieve output data from a map task's tracker.

Method Summary

MapOutputFile

getFile(String mapTaskId, String reduceTaskId, IntWritable partition) Returns the output from the named map task destined for this partition.

Method Detail

getFile

public MapOutputFile getFile(String mapTaskId,
                             String reduceTaskId,
                             IntWritable partition)
                      throws IOException

Returns the output from the named map task destined for this partition.

Throws:

IOException