datafu.pig.sampling

Class ReservoirSample.Intermediate

java.lang.Object

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

datafu.pig.sampling.ReservoirSample.Intermediate

Direct Known Subclasses:

WeightedReservoirSample.Intermediate

Enclosing class:

ReservoirSample

public static class ReservoirSample.Intermediate
extends org.apache.pig.EvalFunc<org.apache.pig.data.Tuple>

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
ReservoirSample.Intermediate()
ReservoirSample.Intermediate(java.lang.String numSamples)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.pig.data.Tuple	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

ReservoirSample.Intermediate

public ReservoirSample.Intermediate()

ReservoirSample.Intermediate

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

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