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Refactor producer metrics (opensource4you#530)
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app/src/main/java/org/astraea/app/metrics/producer/ProducerMetrics.java
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|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * 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.astraea.app.metrics.producer; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.Map; | ||
| import java.util.stream.Collectors; | ||
| import org.astraea.app.metrics.BeanQuery; | ||
| import org.astraea.app.metrics.MBeanClient; | ||
|
|
||
| public final class ProducerMetrics { | ||
|
|
||
| private static int brokerId(String node) { | ||
| return Integer.parseInt(node.substring(node.indexOf("-") + 1)); | ||
| } | ||
|
|
||
| /** | ||
| * node metrics traced by producer | ||
| * | ||
| * @param mBeanClient to query beans | ||
| * @param brokerId broker ids | ||
| * @return key is client id used by producer, and value is node metrics traced by each producer | ||
| */ | ||
| public static Map<String, HasProducerNodeMetrics> node(MBeanClient mBeanClient, int brokerId) { | ||
| return mBeanClient | ||
| .queryBeans( | ||
| BeanQuery.builder() | ||
| .domainName("kafka.producer") | ||
| .property("type", "producer-node-metrics") | ||
| .property("node-id", "node-" + brokerId) | ||
| .property("client-id", "*") | ||
| .build()) | ||
| .stream() | ||
| .collect( | ||
| Collectors.toUnmodifiableMap( | ||
| b -> b.properties().get("client-id"), | ||
| b -> HasProducerNodeMetrics.of(b, brokerId(b.properties().get("node-id"))))); | ||
| } | ||
|
|
||
| /** | ||
| * collect HasProducerNodeMetrics from all producers. | ||
| * | ||
| * @param mBeanClient to query metrics | ||
| * @return key is broker id, and value is associated to broker metrics recorded by all producers | ||
| */ | ||
| public static Collection<HasProducerNodeMetrics> nodes(MBeanClient mBeanClient) { | ||
| return mBeanClient | ||
| .queryBeans( | ||
| BeanQuery.builder() | ||
| .domainName("kafka.producer") | ||
| .property("type", "producer-node-metrics") | ||
| .property("node-id", "*") | ||
| .property("client-id", "*") | ||
| .build()) | ||
| .stream() | ||
| .map(b -> HasProducerNodeMetrics.of(b, brokerId(b.properties().get("node-id")))) | ||
| .collect(Collectors.toUnmodifiableList()); | ||
| } | ||
|
|
||
| /** | ||
| * topic metrics traced by producer | ||
| * | ||
| * @param mBeanClient to query beans | ||
| * @param topic topic name | ||
| * @return key is client id used by producer, and value is topic metrics traced by each producer | ||
| */ | ||
| public static Map<String, HasProducerTopicMetrics> topic(MBeanClient mBeanClient, String topic) { | ||
| return mBeanClient | ||
| .queryBeans( | ||
| BeanQuery.builder() | ||
| .domainName("kafka.producer") | ||
| .property("type", "producer-topic-metrics") | ||
| .property("client-id", "*") | ||
| .property("topic", topic) | ||
| .build()) | ||
| .stream() | ||
| .collect(Collectors.toUnmodifiableMap(b -> b.properties().get("client-id"), b -> () -> b)); | ||
| } | ||
|
|
||
| private ProducerMetrics() {} | ||
| } |
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