org.calrissian.accumulorecipes.metricsstore.ext.custom.function

Class SumFunction

java.lang.Object

org.calrissian.accumulorecipes.metricsstore.ext.custom.function.SumFunction

All Implemented Interfaces:

MetricFunction<Long>

public class SumFunction
extends Object
implements MetricFunction<Long>

Constructor Summary

Constructors

Constructor and Description
SumFunction()

Method Summary

Methods

Modifier and Type	Method and Description
Long	deserialize(byte[] data) Deserialize the given metric.
void	merge(Long value) Merges the two metrics together.
void	reset()
byte[]	serialize() Serialize the given metric
void	update(long value) Updates the original metric with the given value.

Methods inherited from class java.lang.Object

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

Constructor Detail

SumFunction

public SumFunction()

Method Detail

reset

public void reset()

Specified by:

reset in interface MetricFunction<Long>

update

public void update(long value)

Updates the original metric with the given value.

Specified by:

update in interface MetricFunction<Long>

merge

public void merge(Long value)

Merges the two metrics together. TODO With no iterator settings specified during compactions, this should never happen and we can use more complex iterable math functions.

Specified by:

merge in interface MetricFunction<Long>

serialize

public byte[] serialize()

Serialize the given metric

Specified by:

serialize in interface MetricFunction<Long>

Returns:

deserialize

public Long deserialize(byte[] data)

Deserialize the given metric.

Specified by:

deserialize in interface MetricFunction<Long>

Returns: