datafu.pig.sampling

Class WeightedReservoirSample.Initial

java.lang.Object

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

datafu.pig.sampling.ReservoirSample.Initial

datafu.pig.sampling.WeightedReservoirSample.Initial

Enclosing class:

WeightedReservoirSample

public static class WeightedReservoirSample.Initial
extends ReservoirSample.Initial

Nested Class Summary

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

org.apache.pig.EvalFunc.SchemaType

Field Summary

Fields inherited from class datafu.pig.sampling.ReservoirSample.Initial

scoreGen

Fields inherited from class org.apache.pig.EvalFunc

log, pigLogger, reporter, returnType

Constructor Summary

Constructors

Constructor and Description
Initial()
Initial(java.lang.String strNumSamples, java.lang.String strWeightIdx)

Method Summary

Modifier and Type	Method and Description
protected datafu.pig.sampling.ScoredTuple.ScoreGenerator	getScoreGenerator()

Methods inherited from class datafu.pig.sampling.ReservoirSample.Initial

exec

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

Initial

public Initial()

Initial

public Initial(java.lang.String strNumSamples,
               java.lang.String strWeightIdx)

Method Detail

getScoreGenerator

protected datafu.pig.sampling.ScoredTuple.ScoreGenerator getScoreGenerator()

Overrides:

getScoreGenerator in class ReservoirSample.Initial