dubbo FrameworkServiceRepository 源码

dubbo FrameworkServiceRepository 代码

文件路径：/dubbo-common/src/main/java/org/apache/dubbo/rpc/model/FrameworkServiceRepository.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.rpc.model;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.utils.StringUtils;

import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.CopyOnWriteArrayList;

import static org.apache.dubbo.common.BaseServiceMetadata.interfaceFromServiceKey;
import static org.apache.dubbo.common.BaseServiceMetadata.versionFromServiceKey;

/**
 * Service repository for framework
 */
public class FrameworkServiceRepository {

    private FrameworkModel frameworkModel;

    // useful to find a provider model quickly with group/serviceInterfaceName:version
    private ConcurrentMap<String, ProviderModel> providers = new ConcurrentHashMap<>();

    // useful to find a provider model quickly with serviceInterfaceName:version
    private ConcurrentMap<String, List<ProviderModel>> providersWithoutGroup = new ConcurrentHashMap<>();

    // useful to find a url quickly with serviceInterfaceName:version
    private ConcurrentMap<String, List<URL>> providerUrlsWithoutGroup = new ConcurrentHashMap<>();

    public FrameworkServiceRepository(FrameworkModel frameworkModel) {
        this.frameworkModel = frameworkModel;
    }

    public void registerProvider(ProviderModel providerModel) {
        String key = providerModel.getServiceKey();
        ProviderModel previous = providers.putIfAbsent(key, providerModel);
        if (previous != null && previous != providerModel) {
            // TODO callback service multi instances
            // throw new IllegalStateException("Register duplicate provider for key: " + key);
        }
        String keyWithoutGroup = keyWithoutGroup(key);
        providersWithoutGroup.computeIfAbsent(keyWithoutGroup, (k) -> new CopyOnWriteArrayList<>()).add(providerModel);
    }

    public void unregisterProvider(ProviderModel providerModel) {
        providers.remove(providerModel.getServiceKey());
        String keyWithoutGroup = keyWithoutGroup(providerModel.getServiceKey());
        providersWithoutGroup.remove(keyWithoutGroup);
        providerUrlsWithoutGroup.remove(keyWithoutGroup);
    }

    public ProviderModel lookupExportedServiceWithoutGroup(String key) {
        if (providersWithoutGroup.containsKey(key)) {
            List<ProviderModel> providerModels = providersWithoutGroup.get(key);
            return providerModels.size() > 0 ? providerModels.get(0) : null;
        } else {
            return null;
        }
    }

    public List<ProviderModel> lookupExportedServicesWithoutGroup(String key) {
        return providersWithoutGroup.get(key);
    }

    public void registerProviderUrl(URL url) {
        providerUrlsWithoutGroup.computeIfAbsent(keyWithoutGroup(url.getServiceKey()), (k) -> new CopyOnWriteArrayList<>()).add(url);
    }

    public ProviderModel lookupExportedService(String serviceKey) {
        return providers.get(serviceKey);
    }

    public List<URL> lookupRegisteredProviderUrlsWithoutGroup(String key) {
        return providerUrlsWithoutGroup.get(key);
    }

    public List<ProviderModel> allProviderModels() {
        return Collections.unmodifiableList(new ArrayList<>(providers.values()));
    }

    public List<ConsumerModel> allConsumerModels() {
        List<ConsumerModel> consumerModels = new LinkedList<>();
        frameworkModel.getApplicationModels().forEach(applicationModel ->
            consumerModels.addAll(applicationModel.getApplicationServiceRepository().allConsumerModels()));
        return Collections.unmodifiableList(consumerModels);
    }

    private static String keyWithoutGroup(String serviceKey) {
        String interfaceName = interfaceFromServiceKey(serviceKey);
        String version = versionFromServiceKey(serviceKey);
        if (StringUtils.isEmpty(version)) {
            return interfaceName;
        }
        return interfaceName + ":" + version;
    }

}

相关信息

dubbo 源码目录

相关文章

dubbo ApplicationInitListener 源码

dubbo ApplicationModel 源码

dubbo AsyncMethodInfo 源码

dubbo BuiltinServiceDetector 源码

dubbo ConsumerMethodModel 源码

dubbo ConsumerModel 源码

dubbo FrameworkModel 源码

dubbo MethodDescriptor 源码

dubbo ModelConstants 源码

dubbo ModuleModel 源码