com.alibaba.csp.sentinel.slots.statistic.metric

Class BucketLeapArray

java.lang.Object

com.alibaba.csp.sentinel.slots.statistic.base.LeapArray<MetricBucket>

com.alibaba.csp.sentinel.slots.statistic.metric.BucketLeapArray

public class BucketLeapArray
extends LeapArray<MetricBucket>

The fundamental data structure for metric statistics in a time span.

Author:

jialiang.linjl, Eric Zhao

See Also:

LeapArray

Field Summary

Fields inherited from class com.alibaba.csp.sentinel.slots.statistic.base.LeapArray

array, intervalInMs, sampleCount, windowLengthInMs

Constructor Summary

Constructors

Constructor and Description
BucketLeapArray(int sampleCount, int intervalInMs)

Method Summary

Modifier and Type	Method and Description
MetricBucket	newEmptyBucket(long time) Create a new statistic value for bucket.
protected WindowWrap<MetricBucket>	resetWindowTo(WindowWrap<MetricBucket> w, long startTime) Reset given bucket to provided start time and reset the value.

Methods inherited from class com.alibaba.csp.sentinel.slots.statistic.base.LeapArray

addWaiting, calculateWindowStart, currentWaiting, currentWindow, currentWindow, debug, getIntervalInMs, getIntervalInSecond, getPreviousWindow, getPreviousWindow, getSampleCount, getValidHead, getWindowValue, isWindowDeprecated, isWindowDeprecated, list, list, listAll, values, values

Methods inherited from class java.lang.Object

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

Constructor Detail

BucketLeapArray

public BucketLeapArray(int sampleCount,
                       int intervalInMs)

Method Detail

newEmptyBucket

public MetricBucket newEmptyBucket(long time)

Description copied from class: LeapArray

Create a new statistic value for bucket.

Specified by:

newEmptyBucket in class LeapArray<MetricBucket>

Parameters:

time - current time in milliseconds

Returns:

the new empty bucket

resetWindowTo

protected WindowWrap<MetricBucket> resetWindowTo(WindowWrap<MetricBucket> w,
                                                 long startTime)

Description copied from class: LeapArray

Reset given bucket to provided start time and reset the value.

Specified by:

resetWindowTo in class LeapArray<MetricBucket>

Parameters:

w - current bucket

startTime - the start time of the bucket in milliseconds

Returns:

new clean bucket at given start time