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

Class UDAFExampleMin.MinStringEvaluator

java.lang.Object

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

All Implemented Interfaces:

UDAFEvaluator

Enclosing class:

UDAFExampleMin

public static class UDAFExampleMin.MinStringEvaluator
extends Object
implements UDAFEvaluator

Constructor Summary

Constructors

Constructor and Description
MinStringEvaluator()

Method Summary

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

Methods inherited from class java.lang.Object

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

Constructor Detail

MinStringEvaluator

public MinStringEvaluator()

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.Text o)

terminatePartial

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

merge

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

terminate

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