com.netflix.servo.monitor

Class BasicCounter

java.lang.Object

com.netflix.servo.monitor.AbstractMonitor<java.lang.Number>

com.netflix.servo.monitor.BasicCounter

All Implemented Interfaces:

Counter, Monitor<java.lang.Number>, NumericMonitor<java.lang.Number>

public final class BasicCounter
extends AbstractMonitor<java.lang.Number>
implements Counter

A simple counter implementation backed by an AtomicLong. The value is the total count for the life of the counter. Observers are responsible for converting to a rate and handling overflows if they occur.

Field Summary

Fields inherited from class com.netflix.servo.monitor.AbstractMonitor

config

Constructor Summary

Constructors

Constructor and Description
BasicCounter(MonitorConfig config) Creates a new instance of the counter.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object obj)
java.lang.Number	getValue(int pollerIdx) Returns the current value for the monitor for the nth poller.
int	hashCode()
void	increment() Update the count by one.
void	increment(long amount) Update the count by the specified amount.
java.lang.String	toString()

Methods inherited from class com.netflix.servo.monitor.AbstractMonitor

getConfig, getValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.netflix.servo.monitor.Monitor

getConfig, getValue

Constructor Detail

BasicCounter

public BasicCounter(MonitorConfig config)

Creates a new instance of the counter.

Method Detail

increment

public void increment()

Update the count by one.

Specified by:

increment in interface Counter

increment

public void increment(long amount)

Update the count by the specified amount.

Specified by:

increment in interface Counter

getValue

public java.lang.Number getValue(int pollerIdx)

Returns the current value for the monitor for the nth poller.

Specified by:

getValue in interface Monitor<java.lang.Number>

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object