| /* |
| * 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.metrics.service; |
| |
| import org.apache.dubbo.common.metrics.collector.DefaultMetricsCollector; |
| import org.apache.dubbo.common.metrics.collector.MetricsCollector; |
| import org.apache.dubbo.common.metrics.model.MetricsCategory; |
| import org.apache.dubbo.common.metrics.model.sample.GaugeMetricSample; |
| import org.apache.dubbo.common.metrics.model.sample.MetricSample; |
| import org.apache.dubbo.common.metrics.service.MetricsEntity; |
| import org.apache.dubbo.common.metrics.service.MetricsService; |
| import org.apache.dubbo.metrics.collector.AggregateMetricsCollector; |
| import org.apache.dubbo.rpc.model.ApplicationModel; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Default implementation of {@link MetricsService} |
| */ |
| public class DefaultMetricsService implements MetricsService { |
| |
| protected final List<MetricsCollector> collectors = new ArrayList<>(); |
| |
| private final ApplicationModel applicationModel; |
| |
| public DefaultMetricsService(ApplicationModel applicationModel) { |
| this.applicationModel = applicationModel; |
| collectors.add(applicationModel.getBeanFactory().getBean(DefaultMetricsCollector.class)); |
| collectors.add(applicationModel.getBeanFactory().getBean(AggregateMetricsCollector.class)); |
| } |
| |
| @Override |
| public Map<MetricsCategory, List<MetricsEntity>> getMetricsByCategories(List<MetricsCategory> categories) { |
| return getMetricsByCategories(null, categories); |
| } |
| |
| @Override |
| public Map<MetricsCategory, List<MetricsEntity>> getMetricsByCategories(String serviceUniqueName, List<MetricsCategory> categories) { |
| return getMetricsByCategories(serviceUniqueName, null, null, categories); |
| } |
| |
| @Override |
| public Map<MetricsCategory, List<MetricsEntity>> getMetricsByCategories(String serviceUniqueName, String methodName, Class<?>[] parameterTypes, List<MetricsCategory> categories) { |
| Map<MetricsCategory, List<MetricsEntity>> result = new HashMap<>(); |
| for (MetricsCollector collector : collectors) { |
| List<MetricSample> samples = collector.collect(); |
| for (MetricSample sample : samples) { |
| if (categories.contains(sample.getCategory())) { |
| List<MetricsEntity> entities = result.computeIfAbsent(sample.getCategory(), k -> new ArrayList<>()); |
| entities.add(sampleToEntity(sample)); |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| private MetricsEntity sampleToEntity(MetricSample sample) { |
| MetricsEntity entity = new MetricsEntity(); |
| |
| entity.setName(sample.getName()); |
| entity.setTags(sample.getTags()); |
| entity.setCategory(sample.getCategory()); |
| switch (sample.getType()) { |
| case GAUGE: |
| GaugeMetricSample gaugeSample = (GaugeMetricSample) sample; |
| entity.setValue(gaugeSample.getSupplier().get()); |
| break; |
| case COUNTER: |
| case LONG_TASK_TIMER: |
| case TIMER: |
| case DISTRIBUTION_SUMMARY: |
| default: |
| break; |
| } |
| |
| return entity; |
| } |
| } |