datafu.pig.sampling
Class SimpleRandomSample.Initial

java.lang.Object
  org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>
      datafu.pig.sampling.SimpleRandomSample.Initial

Enclosing class:

SimpleRandomSample

public static class SimpleRandomSample.Initial
extends org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

SimpleRandomSample.Initial()

SimpleRandomSample.Initial(java.lang.String samplingProbability)

Method Summary

org.apache.pig.data.Tuple

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

SimpleRandomSample.Initial

public SimpleRandomSample.Initial()

SimpleRandomSample.Initial

public SimpleRandomSample.Initial(java.lang.String samplingProbability)

Method Detail

exec

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

Specified by:

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

Throws:

java.io.IOException