org.apache.hadoop.mapred.lib
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, JobConf 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,
              JobConf job)
              throws IOException

For a given job, collect and return a subset of the keys from the input data.

Throws:

IOException