org.apache.datasketches.pig.kll

Class UnionSketch.Final

java.lang.Object

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

org.apache.datasketches.pig.kll.UnionSketch.Final

Enclosing class:

UnionSketch

public static class UnionSketch.Final
extends org.apache.pig.EvalFunc<org.apache.pig.data.DataByteArray>

Class used to calculate the final pass of an Algebraic union operation. It will receive a bag of values returned by either the Intermediate stage or the Initial stages, so it needs to be able to differentiate between and interpret both types.

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() Default constructor.
Final(String kStr) Constructor with explicit k as string.

Method Summary

Modifier and Type	Method and Description
org.apache.pig.data.DataByteArray	exec(org.apache.pig.data.Tuple inputTuple)

Methods inherited from class org.apache.pig.EvalFunc

allowCompileTimeCalculation, finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, outputSchema, progress, setEndOfAllInput, 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()

Default constructor. Assumes default k.

Final

public Final(String kStr)

Constructor with explicit k as string.

Parameters:

kStr - string representation of k

Method Detail

exec

public org.apache.pig.data.DataByteArray exec(org.apache.pig.data.Tuple inputTuple)
                                       throws IOException

Specified by:

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

Throws:

IOException