| /* |
| * 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 extension |
| |
| import ( |
| perrors "github.com/pkg/errors" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common" |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/registry" |
| ) |
| |
| var discoveryCreatorMap = make(map[string]func(url *common.URL) (registry.ServiceDiscovery, error), 4) |
| |
| // SetServiceDiscovery will store the @creator and @name |
| // protocol indicate the implementation, like nacos |
| // the name like nacos-1... |
| func SetServiceDiscovery(protocol string, creator func(url *common.URL) (registry.ServiceDiscovery, error)) { |
| discoveryCreatorMap[protocol] = creator |
| } |
| |
| // GetServiceDiscovery will return the registry.ServiceDiscovery |
| // protocol indicate the implementation, like nacos |
| // the name like nacos-1... |
| // if not found, or initialize instance failed, it will return error. |
| func GetServiceDiscovery(url *common.URL) (registry.ServiceDiscovery, error) { |
| protocol := url.GetParam(constant.RegistryKey, "") |
| creator, ok := discoveryCreatorMap[protocol] |
| if !ok { |
| return nil, perrors.New("Could not find the service discovery with discovery protocol: " + protocol) |
| } |
| return creator(url) |
| } |