| /* |
| * 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 ( |
| "github.com/dubbogo/gost/log/logger" |
| ) |
| |
| import ( |
| "dubbo.apache.org/dubbo-go/v3/cluster/directory" |
| "dubbo.apache.org/dubbo-go/v3/common" |
| "dubbo.apache.org/dubbo-go/v3/registry" |
| ) |
| |
| type registryDirectory func(url *common.URL, registry registry.Registry) (directory.Directory, error) |
| |
| var directories = make(map[string]registryDirectory) |
| var defaultDirectory registryDirectory |
| |
| // SetDefaultRegistryDirectory sets the default registryDirectory |
| func SetDefaultRegistryDirectory(v registryDirectory) { |
| defaultDirectory = v |
| } |
| |
| // SetDirectory sets the default registryDirectory |
| func SetDirectory(key string, v registryDirectory) { |
| directories[key] = v |
| } |
| |
| // GetDefaultRegistryDirectory finds the registryDirectory with url and registry |
| func GetDefaultRegistryDirectory(config *common.URL, registry registry.Registry) (directory.Directory, error) { |
| if defaultDirectory == nil { |
| panic("registry directory is not existing, make sure you have import the package.") |
| } |
| return defaultDirectory(config, registry) |
| } |
| |
| // GetDirectoryInstance finds the registryDirectory with url and registry |
| func GetDirectoryInstance(config *common.URL, registry registry.Registry) (directory.Directory, error) { |
| key := config.Protocol |
| if key == "" { |
| return GetDefaultRegistryDirectory(config, registry) |
| } |
| if directories[key] == nil { |
| logger.Warn("registry directory " + key + " does not exist, make sure you have import the package, will use the default directory type.") |
| return GetDefaultRegistryDirectory(config, registry) |
| } |
| return directories[key](config, registry) |
| } |