org.apache.datasketches.pig.frequencies

Class UnionFrequentStringsSketch

java.lang.Object

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

org.apache.datasketches.pig.frequencies.UnionFrequentItemsSketch<String>

org.apache.datasketches.pig.frequencies.UnionFrequentStringsSketch

All Implemented Interfaces:

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

public class UnionFrequentStringsSketch
extends UnionFrequentItemsSketch<String>
implements org.apache.pig.Algebraic

This is to union FrequentItemsSketch<String>. It supports all three ways: exec(), Accumulator and Algebraic

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	UnionFrequentStringsSketch.Initial
static class	UnionFrequentStringsSketch.IntermediateFinal

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
UnionFrequentStringsSketch(String sketchSize) Constructor

Method Summary

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

Methods inherited from class org.apache.datasketches.pig.frequencies.UnionFrequentItemsSketch

accumulate, cleanup, exec, getValue

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

UnionFrequentStringsSketch

public UnionFrequentStringsSketch(String sketchSize)

Constructor

Parameters:

sketchSize - String representation of sketch size

Method Detail

getInitial

public String getInitial()

Specified by:

getInitial in interface org.apache.pig.Algebraic

getIntermed

public String getIntermed()

Specified by:

getIntermed in interface org.apache.pig.Algebraic

getFinal

public String getFinal()

Specified by:

getFinal in interface org.apache.pig.Algebraic