datafu.pig.sampling

Class ReservoirSample.Final

java.lang.Object

org.apache.pig.EvalFunc<org.apache.pig.data.DataBag>

datafu.pig.sampling.ReservoirSample.Final

Direct Known Subclasses:

WeightedReservoirSample.Final

Enclosing class:

ReservoirSample

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

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pig.EvalFunc

org.apache.pig.EvalFunc.SchemaType

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor and Description
Final()
Final(java.lang.String numSamples)

Method Summary

Modifier and Type	Method and Description
org.apache.pig.data.DataBag	exec(org.apache.pig.data.Tuple input)

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, 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

Final

public Final()

Final

public 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