org.apache.hadoop.hbase.mapreduce.hadoopbackport
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(org.apache.hadoop.mapreduce.InputFormat<K,V> inf, org.apache.hadoop.mapreduce.Job job)
          For a given job, collect and return a subset of the keys from the input data.
 

Method Detail

getSample

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

Throws:
IOException
InterruptedException


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