dubbo DefaultMetricsStatHandler 源码

2022-10-20
浏览 (483)

dubbo DefaultMetricsStatHandler 代码

文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/metrics/collector/stat/DefaultMetricsStatHandler.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 org.apache.dubbo.common.metrics.collector.stat;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicLong;
import java.util.function.BiConsumer;

import org.apache.dubbo.common.metrics.model.MethodMetric;


public class DefaultMetricsStatHandler implements MetricsStatHandler {

    private final String applicationName;
    private final Map<MethodMetric, AtomicLong> counts = new ConcurrentHashMap<>();

    public DefaultMetricsStatHandler(String applicationName) {
        this.applicationName = applicationName;
    }

    @Override
    public void increase(String interfaceName, String methodName, String group, String version) {
        this.doIncrExecute(interfaceName,methodName,group,version);
    }

    public void decrease(String interfaceName, String methodName, String group, String version){
        this.doDecrExecute(interfaceName,methodName,group,version);
    }

    protected void doExecute(String interfaceName, String methodName, String group, String version, BiConsumer<MethodMetric,Map<MethodMetric, AtomicLong>> execute){
        MethodMetric metric = new MethodMetric(applicationName, interfaceName, methodName, group, version);
        execute.accept(metric,counts);

        this.doNotify(metric);
    }

    protected void doIncrExecute(String interfaceName, String methodName, String group, String version){
        this.doExecute(interfaceName,methodName,group,version,(metric,counts)->{
            AtomicLong count = counts.computeIfAbsent(metric, k -> new AtomicLong(0L));
            count.incrementAndGet();

        });
    }

    protected void doDecrExecute(String interfaceName, String methodName, String group, String version){
        this.doExecute(interfaceName,methodName,group,version,(metric,counts)->{
            AtomicLong count = counts.computeIfAbsent(metric, k -> new AtomicLong(0L));
            count.decrementAndGet();
        });
    }

    @Override
    public Map<MethodMetric, AtomicLong> get() {
        return counts;
    }

    public  void doNotify(MethodMetric metric){}

}

相关信息

dubbo 源码目录

相关文章

dubbo MetricsStatComposite 源码

dubbo MetricsStatHandler 源码

0 赞

所属分类： 后端技术
本文标签： Java
版权声明： 原创文章如转载，请注明本文链接: https://www.seaxiang.com/blog/25105f448f2e4f9bb1bd43caba4491e2

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙初识ArkTS语言
6、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...