org.apache.hadoop.hive.contrib.udaf.example

Class UDAFExampleMaxN.UDAFMaxNEvaluator

java.lang.Object

org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxMinNUtil.Evaluator

org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxN.UDAFMaxNEvaluator

All Implemented Interfaces:

UDAFEvaluator

Enclosing class:

UDAFExampleMaxN

public static class UDAFExampleMaxN.UDAFMaxNEvaluator
extends UDAFExampleMaxMinNUtil.Evaluator

The evaluator for getting max N double values.

Constructor Summary

Constructors

Constructor and Description
UDAFExampleMaxN.UDAFMaxNEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	getAscending() Returns true in UDAFMaxN, and false in UDAFMinN.

Methods inherited from class org.apache.hadoop.hive.contrib.udaf.example.UDAFExampleMaxMinNUtil.Evaluator

init, iterate, merge, terminate, terminatePartial

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UDAFExampleMaxN.UDAFMaxNEvaluator

public UDAFExampleMaxN.UDAFMaxNEvaluator()

Method Detail

getAscending

protected boolean getAscending()

Description copied from class: UDAFExampleMaxMinNUtil.Evaluator

Returns true in UDAFMaxN, and false in UDAFMinN.

Specified by:

getAscending in class UDAFExampleMaxMinNUtil.Evaluator