| /* |
| * 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 ( |
| "dubbo.apache.org/dubbo-go/v3/common/constant" |
| "dubbo.apache.org/dubbo-go/v3/metadata/service" |
| "dubbo.apache.org/dubbo-go/v3/metadata/service/exporter" |
| ) |
| |
| type MetadataServiceExporterCreator func(service.MetadataService) exporter.MetadataServiceExporter |
| |
| var ( |
| metadataServiceExporterInsMap = make(map[string]MetadataServiceExporterCreator, 2) |
| ) |
| |
| // SetMetadataServiceExporter will store the type => creator pair |
| func SetMetadataServiceExporter(key string, creator MetadataServiceExporterCreator) { |
| metadataServiceExporterInsMap[key] = creator |
| } |
| |
| // GetMetadataServiceExporter will create a MetadataServiceExporter instance |
| func GetMetadataServiceExporter(key string, s service.MetadataService) exporter.MetadataServiceExporter { |
| if key == "" { |
| key = constant.DefaultKey |
| } |
| if creator, ok := metadataServiceExporterInsMap[key]; ok { |
| return creator(s) |
| } |
| return nil |
| } |