org.apache.hadoop.hive.ql.udf
Class UDAFPercentile.PercentileLongArrayEvaluator

java.lang.Object
  org.apache.hadoop.hive.ql.udf.UDAFPercentile.PercentileLongArrayEvaluator

All Implemented Interfaces:

UDAFEvaluator

Enclosing class:

UDAFPercentile

public static class UDAFPercentile.PercentileLongArrayEvaluator
extends Object
implements UDAFEvaluator

The evaluator for percentile computation based on long for an array of percentiles.

Constructor Summary

UDAFPercentile.PercentileLongArrayEvaluator()

Method Summary

void	init() Initializer.
boolean	iterate(org.apache.hadoop.io.LongWritable o, List<DoubleWritable> percentiles)
boolean	merge(UDAFPercentile.State other)
List<DoubleWritable>	terminate()
UDAFPercentile.State	terminatePartial()

Methods inherited from class java.lang.Object

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

Constructor Detail

UDAFPercentile.PercentileLongArrayEvaluator

public UDAFPercentile.PercentileLongArrayEvaluator()

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,
                       List<DoubleWritable> percentiles)

terminatePartial

public UDAFPercentile.State terminatePartial()

merge

public boolean merge(UDAFPercentile.State other)

terminate

public List<DoubleWritable> terminate()