com.tencent.polaris.plugins.stat.common.model.MetricValueAggregationStrategy Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of polaris-all Show documentation
Show all versions of polaris-all Show documentation
All in one project for polaris-java
/*
* Tencent is pleased to support the open source community by making Polaris available.
*
* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package com.tencent.polaris.plugins.stat.common.model;
/**
* 维度相关的上报数据的聚合策略
*
* @param 聚合数据源的数据类型
*/
public interface MetricValueAggregationStrategy {
/**
* 返回策略的描述信息
*
* @return 描述信息
*/
String getStrategyDescription();
/**
* 返回策略名称,通常该名称用作metricName
*
* @return 策略名称
*/
String getStrategyName();
/**
* 根据metric自身的value值和聚合数据源T的值来更新metric的value
*
* @param targetValue 待更新的value值
* @param dataSource 聚合数据源数据
*/
void updateMetricValue(StatMetric targetValue, 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
*
* @param dataSource 聚合数据源数据
* @return metric需要的初始值
*/
double initMetricValue(T dataSource);
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy