co.cask.cdap.dq.functions

Class Mean

java.lang.Object

co.cask.cdap.dq.functions.Mean

All Implemented Interfaces:

BasicAggregationFunction

public class Mean
extends Object
implements BasicAggregationFunction

Average Aggregation Function

Constructor Summary

Constructors

Constructor and Description
Mean()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(DataQualityWritable value) Incrementally add values to the aggregation
byte[]	aggregate() Return the aggregation accumulated using add() in the form of a byte[]
Double	deserialize(byte[] value) Deserialize a given value appropriately

Methods inherited from class java.lang.Object

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

Constructor Detail

Mean

public Mean()

Method Detail

deserialize

public Double deserialize(byte[] value)

Description copied from interface: BasicAggregationFunction

Deserialize a given value appropriately

Specified by:

deserialize in interface BasicAggregationFunction

add

public void add(DataQualityWritable value)

Description copied from interface: BasicAggregationFunction

Incrementally add values to the aggregation

Specified by:

add in interface BasicAggregationFunction

aggregate

public byte[] aggregate()

Description copied from interface: BasicAggregationFunction

Return the aggregation accumulated using add() in the form of a byte[]

Specified by:

aggregate in interface BasicAggregationFunction