org.apache.hadoop.mapreduce.lib.partition
Interface InputSampler.Sampler<K,V>

All Known Implementing Classes:
InputSampler.IntervalSampler, InputSampler.RandomSampler, InputSampler.SplitSampler
Enclosing class:
InputSampler<K,V>

public static interface InputSampler.Sampler<K,V>

Interface to sample using an InputFormat.


Method Summary
 K[] getSample(InputFormat<K,V> inf, Job job)
          For a given job, collect and return a subset of the keys from the input data.
 

Method Detail

getSample

K[] getSample(InputFormat<K,V> inf,
              Job job)
              throws IOException,
                     InterruptedException
For a given job, collect and return a subset of the keys from the input data.

Throws:
IOException
InterruptedException


Copyright © 2009 The Apache Software Foundation