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

Class UDAFExampleMax.MaxLongEvaluator

java.lang.Object

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

All Implemented Interfaces:

UDAFEvaluator

Enclosing class:

UDAFExampleMax

public static class UDAFExampleMax.MaxLongEvaluator
extends Object
implements UDAFEvaluator

Constructor Summary

Constructors

Constructor and Description
MaxLongEvaluator()

Method Summary

Modifier and Type	Method and Description
void	init() Initializer.
boolean	iterate(org.apache.hadoop.io.LongWritable o)
boolean	merge(org.apache.hadoop.io.LongWritable o)
org.apache.hadoop.io.LongWritable	terminate()
org.apache.hadoop.io.LongWritable	terminatePartial()

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxLongEvaluator

public MaxLongEvaluator()

Method Detail

init

public void init()

Description copied from interface: UDAFEvaluator

Initializer. Initializes the state for the evaluator.

Specified by:

init in interface UDAFEvaluator

iterate

public boolean iterate(org.apache.hadoop.io.LongWritable o)

terminatePartial

public org.apache.hadoop.io.LongWritable terminatePartial()

merge

public boolean merge(org.apache.hadoop.io.LongWritable o)

terminate

public org.apache.hadoop.io.LongWritable terminate()