com.alibaba.csp.sentinel.cluster.flow.statistic.metric

Class ClusterMetric

java.lang.Object

com.alibaba.csp.sentinel.cluster.flow.statistic.metric.ClusterMetric

public class ClusterMetric
extends Object

Since:

1.4.0

Author:

Eric Zhao

Constructor Summary

Constructors

Constructor and Description
ClusterMetric(int sampleCount, int intervalInMs)

Method Summary

Modifier and Type	Method and Description
void	add(ClusterFlowEvent event, long count)
double	getAvg(ClusterFlowEvent event) Get average count for provided event per second.
long	getCurrentCount(ClusterFlowEvent event)
long	getSum(ClusterFlowEvent event) Get total sum for provided event in intervalInSec.
int	tryOccupyNext(ClusterFlowEvent event, int acquireCount, double threshold) Try to pre-occupy upcoming buckets.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClusterMetric

public ClusterMetric(int sampleCount,
                     int intervalInMs)

Method Detail

add

public void add(ClusterFlowEvent event,
                long count)

getCurrentCount

public long getCurrentCount(ClusterFlowEvent event)

getSum

public long getSum(ClusterFlowEvent event)

Get total sum for provided event in intervalInSec.

Parameters:

event - event to calculate

Returns:

total sum for event

getAvg

public double getAvg(ClusterFlowEvent event)

Get average count for provided event per second.

Parameters:

event - event to calculate

Returns:

average count per second for event

tryOccupyNext

public int tryOccupyNext(ClusterFlowEvent event,
                         int acquireCount,
                         double threshold)

Try to pre-occupy upcoming buckets.

Returns:

time to wait for next bucket (in ms); 0 if cannot occupy next buckets