com.alibaba.metrics

接口 BucketCounter

所有超级接口:

Counter, Counting, Metric

public interface BucketCounter
extends Counter

提供分桶计数功能，每个桶统计一定时间间隔内的计数。 BucketCounter只保留最近N个时间间隔内的计数，再老的会被丢弃。 同时保存从创建开始到现在的累计计数。

方法概要

限定符和类型	方法和说明
Map<Long,Long>	getBucketCounts() Return the bucket count, keyed by timestamp
Map<Long,Long>	getBucketCounts(long startTime) Return the bucket count, keyed by timestamp, since (including) the startTime.
int	getBucketInterval() Get the interval of the bucket
void	update() update the counter to the given bucket
void	update(long n) update the counter to the given bucket

从接口继承的方法 com.alibaba.metrics.Counter

dec, dec, inc, inc

从接口继承的方法 com.alibaba.metrics.Metric

lastUpdateTime

从接口继承的方法 com.alibaba.metrics.Counting

getCount

方法详细资料

update

void update()

update the counter to the given bucket

update

void update(long n)

update the counter to the given bucket

getBucketCounts

Map<Long,Long> getBucketCounts()

Return the bucket count, keyed by timestamp

返回:

the bucket count, keyed by timestamp

getBucketCounts

Map<Long,Long> getBucketCounts(long startTime)

Return the bucket count, keyed by timestamp, since (including) the startTime. 返回从startTime开始的分桶统计功能

参数:

startTime - 查询起始时间, 单位是毫秒

返回:

the bucket count, keyed by timestamp

getBucketInterval

int getBucketInterval()

Get the interval of the bucket

返回:

the interval of the bucket