com.google.appengine.tools.mapreduce

Interface MapReduceResult<R>

Type Parameters:

R - type of result produced by the Output

All Superinterfaces:

Serializable

All Known Implementing Classes:

MapReduceResultImpl

public interface MapReduceResult<R>
extends Serializable

Result of a MapReduceJob or MapJob.

Author:

ohler@google.com (Christian Ohler)

Method Summary

Methods

Modifier and Type	Method and Description
Counters	getCounters() Returns the counter values at the end of the job.
R	getOutputResult() Returns the result from Output.finish(java.util.Collection<? extends com.google.appengine.tools.mapreduce.OutputWriter<O>>) or null if completed unsuccessfully.

Method Detail

getOutputResult

R getOutputResult()

Returns the result from Output.finish(java.util.Collection<? extends com.google.appengine.tools.mapreduce.OutputWriter<O>>) or null if completed unsuccessfully.

getCounters

Counters getCounters()

Returns the counter values at the end of the job.