org.apache.dubbo.metrics

Interface BucketCounter

All Superinterfaces:

Metric

public interface BucketCounter
extends Metric

Store the count in multiple buckets, every event will go into one specific bucket according to the happening timestamp. The BucketCounter will reserve data for the last N time interval, older values will be automatically discarded.

Method Summary

Modifier and Type	Method and Description
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

Methods inherited from interface org.apache.dubbo.metrics.Metric

lastUpdateTime

Method Detail

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

Returns:

the bucket count, keyed by timestamp

getBucketCounts

Map<Long,Long> getBucketCounts(long startTime)

Return the bucket count, keyed by timestamp, since (including) the startTime.

Parameters:

startTime - the start time

Returns:

the bucket count, keyed by timestamp

getBucketInterval

int getBucketInterval()

Get the interval of the bucket

Returns:

the interval of the bucket