com.alibaba.metrics

类 CounterImpl

java.lang.Object

com.alibaba.metrics.CounterImpl

所有已实现的接口:

Counter, Counting, Metric

public class CounterImpl
extends Object
implements Counter

An incrementing and decrementing counter metric.

构造器概要

构造器

构造器和说明
CounterImpl()

方法概要

限定符和类型	方法和说明
void	dec() Decrement the counter by one.
void	dec(long n) Decrement the counter by n.
long	getCount() Returns the counter's current value.
void	inc() Increment the counter by one.
void	inc(long n) Increment the counter by n.
long	lastUpdateTime() Implementation notes: Recording the last updated time for each update is very expensive according to JMH benchmark, about 6x slower.

从类继承的方法 java.lang.Object

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

构造器详细资料

CounterImpl

public CounterImpl()

方法详细资料

inc

public void inc()

Increment the counter by one.

指定者:

inc 在接口中 Counter

inc

public void inc(long n)

Increment the counter by n.

指定者:

inc 在接口中 Counter

参数:

n - the amount by which the counter will be increased

dec

public void dec()

Decrement the counter by one.

指定者:

dec 在接口中 Counter

dec

public void dec(long n)

Decrement the counter by n.

指定者:

dec 在接口中 Counter

参数:

n - the amount by which the counter will be decreased

getCount

public long getCount()

Returns the counter's current value.

指定者:

getCount 在接口中 Counting

返回:

the counter's current value

lastUpdateTime

public long lastUpdateTime()

Implementation notes: Recording the last updated time for each update is very expensive according to JMH benchmark, about 6x slower. Because this implementation is only used internally, so this function just returns 0.

指定者:

lastUpdateTime 在接口中 Metric

返回:

always return 0.