func CheckValidityForReuseStatistic()

in core/base/stat.go [138:158]

• 17 lines of code
• 9 McCabe index (conditional complexity)

func CheckValidityForReuseStatistic(sampleCount, intervalInMs uint32, parentSampleCount, parentIntervalInMs uint32) error {
	if intervalInMs == 0 || sampleCount == 0 || intervalInMs%sampleCount != 0 {
		return IllegalStatisticParamsError
	}
	bucketLengthInMs := intervalInMs / sampleCount

	if parentIntervalInMs == 0 || parentSampleCount == 0 || parentIntervalInMs%parentSampleCount != 0 {
		return IllegalGlobalStatisticParamsError
	}
	parentBucketLengthInMs := parentIntervalInMs / parentSampleCount

	// intervalInMs of the SlidingWindowMetric is not divisible by BucketLeapArray's intervalInMs
	if parentIntervalInMs%intervalInMs != 0 {
		return GlobalStatisticNonReusableError
	}
	// BucketLeapArray's BucketLengthInMs is not divisible by BucketLengthInMs of SlidingWindowMetric
	if bucketLengthInMs%parentBucketLengthInMs != 0 {
		return GlobalStatisticNonReusableError
	}
	return nil
}