com.tencent.polaris.plugins.stat.common.model

Interface MetricValueAggregationStrategy<T>

Type Parameters:

T - 聚合数据源的数据类型

All Known Implementing Classes:

MetricValueAggregationStrategyCollections.CircuitBreakerHalfOpenStrategy, MetricValueAggregationStrategyCollections.CircuitBreakerOpenStrategy, MetricValueAggregationStrategyCollections.RateLimitRequestLimitStrategy, MetricValueAggregationStrategyCollections.RateLimitRequestPassStrategy, MetricValueAggregationStrategyCollections.RateLimitRequestTotalStrategy, MetricValueAggregationStrategyCollections.UpstreamRequestMaxTimeoutStrategy, MetricValueAggregationStrategyCollections.UpstreamRequestSuccessStrategy, MetricValueAggregationStrategyCollections.UpstreamRequestTimeoutStrategy, MetricValueAggregationStrategyCollections.UpstreamRequestTotalStrategy

public interface MetricValueAggregationStrategy<T>

维度相关的上报数据的聚合策略

Method Summary

Modifier and Type	Method and Description
String	getStrategyDescription() 返回策略的描述信息
String	getStrategyName() 返回策略名称，通常该名称用作metricName
double	initMetricValue(T dataSource) 根据数据源的内容获取第一次创建metric的时候的初始值
void	updateMetricValue(StatMetric targetValue, T dataSource) 根据metric自身的value值和聚合数据源T的值来更新metric的value

Method Detail

getStrategyDescription

String getStrategyDescription()

返回策略的描述信息

Returns:

描述信息

getStrategyName

String getStrategyName()

返回策略名称，通常该名称用作metricName

Returns:

策略名称

updateMetricValue

void updateMetricValue(StatMetric targetValue,
                       T dataSource)

根据metric自身的value值和聚合数据源T的值来更新metric的value

Parameters:

targetValue - 待更新的value值

dataSource - 聚合数据源数据

initMetricValue

double initMetricValue(T dataSource)

根据数据源的内容获取第一次创建metric的时候的初始值

Parameters:

dataSource - 聚合数据源数据

Returns:

metric需要的初始值