alluxio.metrics

Class MaxReservoir

java.lang.Object

alluxio.metrics.MaxReservoir

All Implemented Interfaces:

com.codahale.metrics.Reservoir

public class MaxReservoir
extends Object
implements com.codahale.metrics.Reservoir

A wrapper around Reservoir that keeps track of the max value sent as an update to this reservoir. Any snapshot returned by the reservoir will return this max value.

Constructor Summary

Constructors

Constructor and Description
MaxReservoir(com.codahale.metrics.Reservoir delegate)

Method Summary

Modifier and Type	Method and Description
com.codahale.metrics.Snapshot	getSnapshot() Returns a snapshot of the reservoir's values, which has the max value set as the overall max value sent as an update to this reservoir.
int	size() Returns the number of values recorded.
void	update(long value) Adds a new recorded value to the reservoir.

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxReservoir

public MaxReservoir(com.codahale.metrics.Reservoir delegate)

Parameters:

delegate - the delegate reservoir to wrap

Method Detail

size

public int size()

Returns the number of values recorded.

Specified by:

size in interface com.codahale.metrics.Reservoir

Returns:

the number of values recorded

update

public void update(long value)

Adds a new recorded value to the reservoir.

Specified by:

update in interface com.codahale.metrics.Reservoir

Parameters:

value - a new recorded value

getSnapshot

public com.codahale.metrics.Snapshot getSnapshot()

Returns a snapshot of the reservoir's values, which has the max value set as the overall max value sent as an update to this reservoir.

Specified by:

getSnapshot in interface com.codahale.metrics.Reservoir

Returns:

a snapshot of the reservoir's values