com.netflix.spectator.impl

Class StepLong

java.lang.Object

com.netflix.spectator.impl.StepLong

All Implemented Interfaces:

StepValue

public class StepLong
extends Object
implements StepValue

Utility class for managing a set of AtomicLong instances mapped to a particular step interval. The current implementation keeps an array of with two items where one is the current value being updated and the other is the value from the previous interval and is only available for polling.

This class is an internal implementation detail only intended for use within spectator. It is subject to change without notice.

Constructor Summary

Constructors

Constructor and Description
StepLong(long init, Clock clock, long step) Create a new instance.

Method Summary

Modifier and Type	Method and Description
AtomicLong	getCurrent() Get the AtomicLong for the current bucket.
AtomicLong	getCurrent(long now) Get the AtomicLong for the current bucket.
long	poll() Get the value for the last completed interval.
long	poll(long now) Get the value for the last completed interval.
double	pollAsRate() Get the value for the last completed interval as a rate per second.
double	pollAsRate(long now) Get the value for the last completed interval as a rate per second.
long	timestamp() Get the timestamp for the end of the last completed interval.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

StepLong

public StepLong(long init,
                Clock clock,
                long step)

Create a new instance.

Method Detail

getCurrent

public AtomicLong getCurrent()

Get the AtomicLong for the current bucket.

getCurrent

public AtomicLong getCurrent(long now)

Get the AtomicLong for the current bucket.

poll

public long poll()

Get the value for the last completed interval.

poll

public long poll(long now)

Get the value for the last completed interval.

pollAsRate

public double pollAsRate()

Get the value for the last completed interval as a rate per second.

Specified by:

pollAsRate in interface StepValue

pollAsRate

public double pollAsRate(long now)

Get the value for the last completed interval as a rate per second.

Specified by:

pollAsRate in interface StepValue

timestamp

public long timestamp()

Get the timestamp for the end of the last completed interval.

Specified by:

timestamp in interface StepValue

toString

public String toString()

Overrides:

toString in class Object