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/*
* 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.service;
import org.apache.dubbo.common.extension.ExtensionScope;
import org.apache.dubbo.common.extension.SPI;
import org.apache.dubbo.common.metrics.model.MetricsCategory;
import java.util.List;
import java.util.Map;
import static org.apache.dubbo.common.metrics.service.MetricsService.DEFAULT_EXTENSION_NAME;
/**
* Metrics Service.
* Provide an interface to get metrics from {@link org.apache.dubbo.common.metrics.collector.MetricsCollector}
*/
@SPI(value = DEFAULT_EXTENSION_NAME, scope = ExtensionScope.APPLICATION)
public interface MetricsService {
/**
* Default {@link MetricsService} extension name.
*/
String DEFAULT_EXTENSION_NAME = "default";
/**
* The contract version of {@link MetricsService}, the future update must make sure compatible.
*/
String VERSION = "1.0.0";
/**
* Get metrics by prefixes
*
* @param categories categories
* @return metrics - key=MetricCategory value=MetricsEntityList
*/
Map> getMetricsByCategories(List categories);
/**
* Get metrics by interface and prefixes
*
* @param serviceUniqueName serviceUniqueName (eg.group/interfaceName:version)
* @param categories categories
* @return metrics - key=MetricCategory value=MetricsEntityList
*/
Map> getMetricsByCategories(String serviceUniqueName, List categories);
/**
* Get metrics by interface、method and prefixes
*
* @param serviceUniqueName serviceUniqueName (eg.group/interfaceName:version)
* @param methodName methodName
* @param parameterTypes method parameter types
* @param categories categories
* @return metrics - key=MetricCategory value=MetricsEntityList
*/
Map> getMetricsByCategories(String serviceUniqueName, String methodName, Class[] parameterTypes, List categories);
}