org.apache.datasketches.pig.quantiles

Class DataToStringsSketch

java.lang.Object

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

org.apache.datasketches.pig.quantiles.DataToItemsSketch<String>

org.apache.datasketches.pig.quantiles.DataToStringsSketch

All Implemented Interfaces:

org.apache.pig.Accumulator<org.apache.pig.data.Tuple>, org.apache.pig.Algebraic

public class DataToStringsSketch
extends DataToItemsSketch<String>

Creates an ItemsSketch<String> from raw data. It supports all three ways: exec(), Accumulator and Algebraic.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataToStringsSketch.DataToStringsSketchIntermediateFinal

Nested classes/interfaces inherited from class org.apache.datasketches.pig.quantiles.DataToItemsSketch

DataToItemsSketch.DataToItemsSketchInitial, DataToItemsSketch.DataToItemsSketchIntermediateFinal<T>

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
DataToStringsSketch()
DataToStringsSketch(String kStr)

Method Summary

Modifier and Type	Method and Description
String	getFinal()
String	getInitial()
String	getIntermed()

Methods inherited from class org.apache.datasketches.pig.quantiles.DataToItemsSketch

accumulate, cleanup, exec, extractValue, getValue, outputSchema

Methods inherited from class org.apache.pig.EvalFunc

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

DataToStringsSketch

public DataToStringsSketch()

DataToStringsSketch

public DataToStringsSketch(String kStr)

Method Detail

getInitial

public String getInitial()

getIntermed

public String getIntermed()

getFinal

public String getFinal()