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
.
getSample
K[] getSample(InputFormat<K,V> inf,
JobConf job)
throws java.io.IOException
- For a given job, collect and return a subset of the keys from the
input data.
- Throws:
java.io.IOException
Copyright © 2009 The Apache Software Foundation