datafu.pig.sampling
Class ReservoirSample.Final

java.lang.Object
  org.apache.pig.EvalFunc<org.apache.pig.data.DataBag>
      datafu.pig.sampling.ReservoirSample.Final

Enclosing class:

ReservoirSample

public static class ReservoirSample.Final
extends org.apache.pig.EvalFunc<org.apache.pig.data.DataBag>

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

ReservoirSample.Final()

ReservoirSample.Final(java.lang.String numSamples)

Method Summary

org.apache.pig.data.DataBag

exec(org.apache.pig.data.Tuple input)

Methods inherited from class org.apache.pig.EvalFunc

finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, outputSchema, progress, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ReservoirSample.Final

public ReservoirSample.Final()

ReservoirSample.Final

public ReservoirSample.Final(java.lang.String numSamples)

Method Detail

exec

public org.apache.pig.data.DataBag exec(org.apache.pig.data.Tuple input)
                                 throws java.io.IOException

Specified by:

exec in class org.apache.pig.EvalFunc<org.apache.pig.data.DataBag>

Throws:

java.io.IOException