| /* |
| * 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 ( |
| "fmt" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/metadata/service" |
| ) |
| |
| var metadataServiceProxyFactoryMap = make(map[string]func() service.MetadataServiceProxyFactory, 2) |
| |
| type MetadataServiceProxyFactoryFunc func() service.MetadataServiceProxyFactory |
| |
| // SetMetadataServiceProxyFactory store the name-creator pair |
| func SetMetadataServiceProxyFactory(name string, creator MetadataServiceProxyFactoryFunc) { |
| metadataServiceProxyFactoryMap[name] = creator |
| } |
| |
| // GetMetadataServiceProxyFactory will create an instance. |
| // it will panic if the factory with name not found |
| func GetMetadataServiceProxyFactory(name string) service.MetadataServiceProxyFactory { |
| if name == "" { |
| name = constant.DefaultKey |
| } |
| if f, ok := metadataServiceProxyFactoryMap[name]; ok { |
| return f() |
| } |
| panic(fmt.Sprintf("could not find the metadata service factory creator for name: %s, "+ |
| "please check whether you have imported relative packages, "+ |
| "local - dubbo.apache.org/dubbo-go/v3/metadata/service/local", name)) |
| } |